WO2019028853A1

WO2019028853A1 - Method, crowdsourcing platform and system for building three-dimensional image model of object

Info

Publication number: WO2019028853A1
Application number: PCT/CN2017/097153
Authority: WO
Inventors: 骆磊
Original assignee: 深圳前海达闼云端智能科技有限公司
Priority date: 2017-08-11
Filing date: 2017-08-11
Publication date: 2019-02-14
Also published as: CN108064397A; CN108064397B

Abstract

Disclosed is a method, a crowdsourcing platform and a system for building a three-dimensional image model of an object. The method comprises: acquiring a model building task published by an initiating end, wherein the model building task comprises relevant information about a target object, and the model building task is used to request to build a 3D model of the target object; analyzing, according to the relevant information, photographs to be taken which are required for building the 3D model of the target object and photographing coordinate information of the photographs to be taken; generating at least one sub-task according to the photographs to be taken and the photographing coordinate information, wherein the at least one sub-task comprises a task requesting to photograph the target object; assigning the at least one sub-task to at least one destination end; and receiving photographs uploaded by the at least one destination end which are used to respond to the at least one sub-task, wherein the photographs are used to build the 3D model of the object.

Description

建立物体三维图像模型的方法、众包平台及***Method for building object three-dimensional image model, crowdsourcing platform and system

技术领域Technical field

本公开涉及物体建模领域，尤其涉及一种建立物体三维图像模型的方法、众包平台及***。The present disclosure relates to the field of object modeling, and in particular, to a method, a crowdsourcing platform and a system for establishing a three-dimensional image model of an object.

背景技术Background technique

目前，游戏、创意设计等领域对物体的3D建模需求越来越大，从而促进了3D建模技术的发展。但是，现有的3D建模技术针对体积较大的物体(例如大型建筑)的建模仍需要专业团队进行操作，其成本高且效率低下。At present, the demand for 3D modeling of objects in games, creative design and other fields is increasing, which promotes the development of 3D modeling technology. However, the modeling of existing 3D modeling techniques for larger objects (such as large buildings) still requires a professional team to operate, which is costly and inefficient.

众包是指一个公司或机构把过去由员工执行的工作任务，以自由自愿的形式外包给非特定的(而且通常是大型的)大众网络的做法。如何利用众包的方式解决上述3D建模技术存在的技术问题，本领域的技术人员未做考虑。Crowdsourcing refers to the practice of a company or organization outsourcing a work task performed by employees in the past to a non-specific (and usually large) mass network in a free and voluntary manner. How to solve the technical problems existing in the above 3D modeling technology by means of crowdsourcing is not considered by those skilled in the art.

发明内容Summary of the invention

本公开实施例的主要目的是提供一种建立物体三维图像模型的方法、众包平台及***，用以解决现有3D建模技术成本高且效率低下的技术问题。The main objective of the embodiments of the present disclosure is to provide a method, a crowdsourcing platform and a system for establishing a three-dimensional image model of an object, which are used to solve the technical problem of high cost and low efficiency of the existing 3D modeling technology.

为了实现上述目的，本公开实施例的第一方面，提供一种建立物体三维图像模型的方法，所述方法应用于众包平台，所述方法包括：In order to achieve the above object, a first aspect of an embodiment of the present disclosure provides a method for establishing a three-dimensional image model of an object, the method being applied to a crowdsourcing platform, the method comprising:

获取发起端发布的建模任务，所述建模任务包括目标物体的相关信息，所述建模任务用于请求建立所述目标物体的3D模型；Obtaining a modeling task issued by the initiator, where the modeling task includes related information of the target object, and the modeling task is used to request to establish a 3D model of the target object;

根据所述相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及所述待拍摄照片的拍摄坐标信息；And analyzing, according to the related information, a photo to be photographed required to establish a 3D model of the target object, and shooting coordinate information of the photo to be photographed;

根据所述待拍摄照片以及所述拍摄坐标信息生成至少一个子任务，所述至少一个子任务包括要求对所述目标物体进行拍照任务； Generating at least one subtask according to the photograph to be taken and the photographing coordinate information, the at least one subtask comprising requesting a photographing task on the target object;

将所述至少一个子任务分派给至少一个目的端；Assigning the at least one subtask to at least one destination;

接收所述至少一个目的端上传的用于响应所述至少一个子任务的照片，所述照片用于建立所述物体的3D模型。Receiving a photo uploaded by the at least one destination for responding to the at least one subtask, the photo being used to establish a 3D model of the object.

本公开实施例的第二方面提供一种众包平台，包括；A second aspect of an embodiment of the present disclosure provides a crowdsourcing platform, including:

任务获取模块，用于获取发起端发布的建模任务，所述建模任务包括目标物体的相关信息，所述建模任务用于请求建立所述目标物体的3D模型；a task acquisition module, configured to acquire a modeling task issued by the initiator, where the modeling task includes related information of the target object, where the modeling task is used to request to establish a 3D model of the target object;

建模分析模块，用于根据所述相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及所述待拍摄照片的拍摄坐标信息；a modeling analysis module, configured to analyze, according to the related information, a photo to be photographed required to establish a 3D model of the target object, and shooting coordinate information of the photo to be photographed;

子任务生成模块，用于根据所述待拍摄照片以及所述拍摄坐标信息生成至少一个子任务，所述至少一个子任务包括要求对所述目标物体进行拍照的任务；a subtask generating module, configured to generate at least one subtask according to the photograph to be photographed and the photographing coordinate information, where the at least one subtask includes a task of requesting photographing the target object;

任务分派模块，用于将所述至少一个子任务分派给至少一个目的端；a task dispatching module, configured to assign the at least one subtask to at least one destination;

接收模块，用于接收所述至少一个目的端上传的用于响应所述至少一个子任务的照片，所述照片用于建立所述物体的3D模型。And a receiving module, configured to receive a photo uploaded by the at least one destination for responding to the at least one subtask, where the photo is used to establish a 3D model of the object.

本公开实施例的第三方面提供一种非临时性计算机可读存储介质，所述非临时性计算机可读存储介质中包括一个或多个程序，所述一个或多个程序用于执行第一方面所述的方法。A third aspect of an embodiment of the present disclosure provides a non-transitory computer readable storage medium including one or more programs for performing a first The method described in the aspects.

本公开实施例的第四方面提供一种众包平台，包括：第三方面所述的非临时性计算机可读存储介质；以及A fourth aspect of the embodiments of the present disclosure provides a crowdsourcing platform, comprising: the non-transitory computer readable storage medium of the third aspect;

一个或者多个处理器，用于执行所述非临时性计算机可读存储介质中的程序。One or more processors for executing a program in the non-transitory computer readable storage medium.

本公开实施例的第五方面提供一种物体建模***，所述***包括：第二方面或第四方面所述的众包平台，以及发起端和目的端，其中，所述发起端与所述目的端是在所述众包平台注册的终端设备。A fifth aspect of the embodiments of the present disclosure provides an object modeling system, comprising: the crowdsourcing platform of the second aspect or the fourth aspect, and an initiator end and a destination end, wherein the initiator end and the destination end The destination end is a terminal device registered with the crowdsourcing platform.

采用上述技术方案至少能达到如下技术效果： The above technical solutions can achieve at least the following technical effects:

众包平台在获取到发起端发布的建模任务后，根据建模任务中描述的目标物体的相关信息，可以自动分析出建立该目标物体的3D模型所需要拍摄的照片，以及待拍摄照片的坐标，并且，众包平台基于分析结果可以将建模任务分为多数个子任务分派给多个目的端执行。这样，对于发起端来说，其只需要在众包平台上发布描述有目标物体的相关信息的建模任务，无需自己承担建立模型所需要的照片拍摄工作，从而降低了成本，并且，在海量目的端愿意接受并执行众包平台分派的任务的情况下，拍摄建模所需的照片的效率将大大提高，进而提高物体建模的效率。After obtaining the modeling task issued by the initiator, the crowdsourcing platform can automatically analyze the photos needed to create the 3D model of the target object and the photos to be taken according to the related information of the target object described in the modeling task. Coordinates, and, based on the analysis results, the crowdsourcing platform can divide the modeling task into a plurality of subtasks and assign them to multiple destinations for execution. In this way, for the initiator, it only needs to publish the modeling task describing the relevant information of the target object on the crowdsourcing platform, and does not need to undertake the photo shooting work required to establish the model, thereby reducing the cost and, in mass, When the destination is willing to accept and execute the task assigned by the crowdsourcing platform, the efficiency of taking the photos required for modeling will be greatly improved, thereby improving the efficiency of object modeling.

附图说明DRAWINGS

为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are the disclosure of the present disclosure. For some embodiments, other drawings may be obtained from those of ordinary skill in the art without departing from the drawings.

图1为本公开实施例提供的一种众包方式建立物体模型的方法的流程示意图；FIG. 1 is a schematic flowchart of a method for establishing an object model in a crowdsourcing manner according to an embodiment of the present disclosure;

图2为本公开实施例提供的一种目的端对目标物体进行拍摄的场景示意图；2 is a schematic diagram of a scene in which a target end captures a target object according to an embodiment of the present disclosure;

图3为本公开实施例提供的一种实施环境的示意图；FIG. 3 is a schematic diagram of an implementation environment according to an embodiment of the present disclosure;

图4为基于图3所示实施环境提供的一种众包方式建立物体模型的方法的流程示意图；4 is a schematic flow chart of a method for establishing an object model in a crowdsourcing manner according to the implementation environment shown in FIG. 3;

图5为本公开实施例提供的一种众包平台的结构示意图；FIG. 5 is a schematic structural diagram of a crowdsourcing platform according to an embodiment of the present disclosure;

图6为本公开实施例提供的另一种众包平台的结构示意图；FIG. 6 is a schematic structural diagram of another crowdsourcing platform according to an embodiment of the present disclosure;

图7为本公开实施例提供的又一种众包平台的结构示意图。 FIG. 7 is a schematic structural diagram of still another crowdsourcing platform according to an embodiment of the present disclosure.

具体实施方式Detailed ways

以下结合附图对本公开的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本公开，并不用于限制本公开。The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are not to be construed

本公开实施例提供一种建立物体三维图像模型的方法，该方法应用于众包平台，其中，该众包平台可以是运营商提供的一网络服务器或者网络服务器集群，如图1所示，该方法包括：An embodiment of the present disclosure provides a method for establishing a three-dimensional image model of an object, where the method is applied to a crowdsourcing platform, where the crowdsourcing platform may be a network server or a network server cluster provided by an operator, as shown in FIG. 1 . Methods include:

S101、获取发起端发布的建模任务，该建模任务包括目标物体的相关信息，该建模任务用于请求建立该目标物体的3D模型。S101. Acquire a modeling task issued by the initiator, where the modeling task includes related information of the target object, and the modeling task is used to request to establish a 3D model of the target object.

其中，该发起端可以是在众包平台已注册的用户终端设备，例如用户的个人电脑。该目标物体可以是能够通过用户描述在地图上唯一指定的物体，例如大型建筑，或者标志性的植物等。其中，目标物体的相关信息可以包括以下至少一种：目标物体的图片，目标物体的名称，目标物体的地理坐标，目标物体的高度信息，目标物体的占地面积信息。The initiator may be a user terminal device that has been registered on the crowdsourcing platform, such as a user's personal computer. The target object may be an object that can be uniquely specified on the map by the user, such as a large building, or an iconic plant. The related information of the target object may include at least one of the following: a picture of the target object, a name of the target object, a geographic coordinate of the target object, a height information of the target object, and an area information of the target object.

示例地，发起端的用户在发布建模任务时，可以尽可能详尽的提供需要建模的目标物体的信息，特别是针对大型建筑，用户可以在建模任务中详细描述该建筑的地理坐标，占地高度与面积。在具体实施时，众包平台可以提供多种可填项供用户填写，对于某些必要的信息，众包平台还可以将对应的可填项设置为必须填写。另外，对于某一些标志性建筑，例如埃菲尔铁塔，用户也可以仅填写该标志性建筑的名称或者上传该标志性建筑的图片，众包平台基于名称或者图片可以网络搜索得到该标志性建筑的其他相关信息。For example, the user of the initiator can provide the information of the target object to be modeled as much as possible when publishing the modeling task, especially for large buildings, where the user can describe the geographical coordinates of the building in detail in the modeling task. Ground height and area. In the specific implementation, the crowdsourcing platform can provide a variety of fillable items for users to fill in. For some necessary information, the crowdsourcing platform can also set the corresponding fillable items as mandatory. In addition, for some landmark buildings, such as the Eiffel Tower, the user can also just fill in the name of the landmark or upload a picture of the landmark, and the crowdsourcing platform can search the logo for other landmarks based on the name or picture. Related Information.

在本公开实施例的一种可能的实现方式中，众包平台在接收到发起端发布的建模任务后，还可以根据目标物体的相关信息确定发起端指定的目标物体是否唯一，若众包平台根据建模任务中对目标物体的描述能够唯一确定该目标物体，则执行后续步骤S102；若众包平台根据建模任务中对目标物体的描述不能够在地图上确定某一物体，或者在地图上确定多个物体，则可以反馈消息给目的端要求用户提供更多目标物体的信息或者要求用户在众包平台当前确定的多个物体中选择出目标物体，直到众包平台唯一确定目标物体，执行后续步骤S102。In a possible implementation manner of the embodiment of the present disclosure, after receiving the modeling task issued by the initiator, the crowdsourcing platform may further determine, according to the related information of the target object, whether the target object specified by the initiator is unique, if the crowdsourcing The platform can uniquely determine the target object according to the description of the target object in the modeling task, and then perform the subsequent step S102; if the crowdsourcing platform cannot determine an object on the map according to the description of the target object in the modeling task, or If you identify multiple objects on the map, you can The feedback message asks the user to provide more information of the target object or requires the user to select the target object among the plurality of objects currently determined by the crowdsourcing platform until the crowdsourcing platform uniquely determines the target object, and performs the subsequent step S102.

S102、根据该目标物体的相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及该待拍摄照片的拍摄坐标信息。S102. Analyze, according to the related information of the target object, a photo to be taken required to establish a 3D model of the target object, and shooting coordinate information of the photo to be taken.

其中，该目标物体的相关信息除了发起端发布的建模任务中描述的目标物体的信息，还可以包括众包平台基于建模任务中的描述搜索获取到的目标物体的其他相关信息。The related information of the target object may include information about the target object described in the modeling task issued by the originating end, and may further include other related information of the acquired target object by the crowdsourcing platform based on the description in the modeling task.

值得说明的是，建立物体的3D模型需要使用该物体各个方位、角度的照片，基于物体在3维空间的轮廓，可以分析出建立该物体的模型需要的照片数量以及每一张照片的拍摄位置的3D坐标范围。因此，在目标物体的相关信息包括该目标物体的地理坐标、高度信息以及占地面积信息的情况下，分析建立所述目标物体的3D模型所需要的待拍摄照片以及待拍摄照片的拍摄坐标信息具体可以是：根据地理坐标确定目标物体在3D地图上的位置，该3D地图包括目标物体的轮廓信息，根据该轮廓信息，以及该高度信息和该占地面积信息分析确定完成目标物体的3D模型所需要的不同拍摄角度的待拍摄照片和每一张待拍摄照片的拍摄位置的3D坐标范围，所述待拍摄照片具体可以是目标物体部分或全部的轮廓信息，所述拍摄坐标信息包括所述3D坐标范围。It is worth noting that the 3D model of the object needs to use the photos of the various orientations and angles of the object. Based on the contour of the object in the 3-dimensional space, the number of photos needed to build the model of the object and the shooting position of each photo can be analyzed. The 3D coordinate range. Therefore, in the case that the related information of the target object includes the geographical coordinates, the height information, and the footprint information of the target object, the photograph to be taken and the photographing coordinate information of the photograph to be photographed are analyzed and analyzed to establish a 3D model of the target object. Specifically, the location of the target object on the 3D map is determined according to the geographic coordinates, the 3D map includes contour information of the target object, and the 3D model of the completed target object is determined according to the contour information and the height information and the footprint information analysis. a 3D coordinate range of a photographing position of a photographing position to be photographed and a photographing position of each photograph to be photographed, which may be part or all of contour information of the target object, the photographing coordinate information including the 3D coordinate range.

S103、根据所述待拍摄照片以及所述拍摄坐标信息生成至少一个子任务，该至少一个子任务包括要求对所述目标物体进行拍照任务。S103. Generate at least one subtask according to the to-be-captured photo and the photographing coordinate information, where the at least one subtask includes requesting a photographing task on the target object.

也就是说，每一子任务要求在拍摄坐标信息指定的位置处，对目标物体进行拍照，得到待拍摄的照片。即将目标物体的实景填充到需要建立所述目标物体的3D模型所需要的待拍摄照片的轮廓中。That is to say, each subtask requires taking a picture of the target object at the position specified by the shooting coordinate information to obtain a photo to be taken. The real scene of the target object is filled into the outline of the photo to be photographed required to establish the 3D model of the target object.

在具体实施时，可以将对一张待拍摄照片进行拍照的要求作为一个子任务，即待拍摄照片的数量为N，则子任务数量也为N，在另一种可能的实现方式中，也可以将对拍摄坐标在预设距离范围内的多张待拍摄照片进行拍照的要求作为一个子任务。In the specific implementation, the request for taking a photo to be taken can be taken as a sub-rule. The number of subtasks is also N, and in another possible implementation, multiple photos to be taken with the shooting coordinates within a preset distance may also be photographed. Required as a subtask.

S104、将所述至少一个子任务分派给至少一个目的端。S104. Assign the at least one subtask to at least one destination.

其中，该目的端可以是在众包平台已注册的其他用户终端设备，例如，用户的智能手机，平板电脑，或者智能相机等。The destination end may be another user terminal device that has been registered on the crowdsourcing platform, such as a user's smartphone, tablet, or smart camera.

示例地，众包平台对子任务的分派具体可以根据目的端当前的定位进行分派，为了便于目的端用户能够快速到达指定坐标位置完成任务，因此，众包平台可以获取目的端的定位，若该目的端的定位距离某一子任务的拍摄坐标位置小于预定距离，则将该子任务分派给该目的端。For example, the dispatching of the subtask by the crowdsourcing platform may be specifically allocated according to the current positioning of the destination end. In order to facilitate the destination end user to quickly reach the specified coordinate position to complete the task, the crowdsourcing platform may obtain the positioning of the destination end, if the purpose If the positioning position of the end is smaller than the predetermined distance from the shooting position of a subtask, the subtask is assigned to the destination.

S105、接收该至少一个目的端上传的用于响应所述至少一个子任务的照片，该照片用于建立所述物体的3D模型。S105. Receive a photo uploaded by the at least one destination for responding to the at least one subtask, where the photo is used to establish a 3D model of the object.

采用上述方法，众包平台在获取到发起端发布的建模任务后，根据建模任务中描述的目标物体的相关信息，可以自动分析出建立该目标物体的3D模型所需要拍摄的照片，以及待拍摄照片的坐标，并且，众包平台基于分析结果可以将建模任务分为多数个子任务分派给多个目的端执行。这样，对于发起端来说，其只需要在众包平台上发布描述有目标物体的相关信息的建模任务，无需自己承担建立模型所需要的照片拍摄工作，从而降低了成本，并且，在海量目的端愿意接受并执行众包平台分派的任务的情况下，拍摄建模所需的照片的效率将大大提高，进而提高物体建模的效率。Using the above method, after obtaining the modeling task issued by the originating platform, the crowdsourcing platform can automatically analyze the photo taken to establish the 3D model of the target object according to the related information of the target object described in the modeling task, and The coordinates of the photo to be taken, and the crowdsourcing platform can divide the modeling task into a plurality of subtasks and assign them to multiple destinations based on the analysis results. In this way, for the initiator, it only needs to publish the modeling task describing the relevant information of the target object on the crowdsourcing platform, and does not need to undertake the photo shooting work required to establish the model, thereby reducing the cost and, in mass, When the destination is willing to accept and execute the task assigned by the crowdsourcing platform, the efficiency of taking the photos required for modeling will be greatly improved, thereby improving the efficiency of object modeling.

具体地，众包平台将所述至少一个子任务分派给至少一个目的端包括如下两种方式：Specifically, the crowdsourcing platform assigns the at least one subtask to the at least one destination end by the following two methods:

方式一、获取第一目的端的定位信息，判断第一子任务的拍摄坐标信息与该第一目的端的定位信息是否满足预定距离条件，该第一子任务为所述至少一个子任务中的任一子任务，若该第一子任务的拍摄坐标信息与该第一目的端的定位信息满足该预定距离条件，则将该第一子任务分派给该第一目的端。The first sub-task is the location information of the first sub-task, and the location information of the first sub-task meets the predetermined distance condition, and the first sub-task is any one of the at least one sub-task. Subtask, if the first subtask's shooting coordinate information and the first item The location information of the terminal meets the predetermined distance condition, and the first sub-task is assigned to the first destination.

也就是说，众包平台可以实时获取每一目的端的定位信息，并判断每一目的端是否位于某一拍摄坐标的预定范围之内，若第一目的端当前位于第一子任务的拍摄坐标的预定范围之内，则将第一子任务分派给第一目的端。That is to say, the crowdsourcing platform can obtain the positioning information of each destination end in real time, and determine whether each destination end is located within a predetermined range of a certain shooting coordinate, if the first destination end is currently located at the shooting coordinates of the first subtask Within the predetermined range, the first subtask is assigned to the first destination.

目的端在接收到子任务后，可以将该子任务的拍摄坐标标注在目的端的地图上，便于用户到达，若目的端在未完成子任务的情况下，远离了该子任务拍摄坐标的预定范围，众包平台可以取消为该目的端分配的该子任务。After receiving the subtask, the destination end can mark the shooting coordinates of the subtask on the map of the destination end, which is convenient for the user to arrive. If the destination end is in the case of not completing the subtask, it is far away from the predetermined range of the subtask shooting coordinates. The crowdsourcing platform can cancel the subtask assigned to the destination.

方式二、获取第二目的端的定位信息以及该第二目的端的拍摄设备参数，根据第二子任务的该拍摄坐标信息以及该拍摄设备参数确定该第二目的端的拍摄设备是否满足预设拍摄要求，该第二子任务为该至少一个子任务中的任一子任务，若该第二目的端的拍摄设备满足该预设拍摄要求，且该第二子任务的该拍摄坐标信息与该第二目的端的定位信息满足预定距离条件，则将该第二子任务分派给该第二目的端。The second method is to obtain the positioning information of the second destination end and the shooting device parameters of the second destination end, and determine, according to the shooting coordinate information of the second subtask and the shooting device parameter, whether the shooting device of the second destination end meets the preset shooting requirement, The second subtask is any one of the at least one subtasks, if the photographing device of the second destination meets the preset photographing requirement, and the photographing coordinate information of the second subtask and the second target end If the positioning information satisfies the predetermined distance condition, the second subtask is assigned to the second destination.

也就是说，为了保证目的端能够拍摄得到满足要求的用于建立目标物体的3D模型的照片，众包平台在分派子任务时，可以要求目的端的拍摄设备满足一定的条件，例如拍摄设备的拍照分辨率足够高。因此，目的端在注册众包平台时，可以预留目的端拍摄设备的相关参数，以便众包平台在分派任务时，通过拍摄设备参数筛选分派子任务的目的端。That is to say, in order to ensure that the destination end can capture the photo of the 3D model for establishing the target object, the crowdsourcing platform can request the shooting device of the destination to meet certain conditions, such as taking a photo of the photographing device, when assigning the subtask. The resolution is high enough. Therefore, when the destination end registers the crowdsourcing platform, the relevant parameters of the destination camera can be reserved, so that the crowdsourcing platform can filter the destination of the subtask by shooting device parameters when dispatching the task.

示例地，该拍摄设备参数包括摄像头的视场角α以及最大拍照分辨率m*n，该第二子任务的该拍摄坐标信息为(x1，y1)，该目标物体中心点坐标为(x2，y2)，则上述根据第二子任务的该拍摄坐标信息以及该拍摄设备参数确定该第二目的端的拍摄设备是否满足预设拍摄要求可以包括：For example, the photographing device parameter includes an angle of view α of the camera and a maximum photographing resolution m*n, the photographing coordinate information of the second subtask is (x1, y1), and the coordinates of the center point of the target object is (x2, Y2), the determining whether the photographing device of the second destination meets the preset photographing requirement according to the photographing coordinate information of the second subtask and the photographing device parameter may include:

根据如下公式计算得到该第二目的端的拍摄设备拍摄该目标物体的横向像素值x以及纵向像素值y： Calculating the lateral pixel value x and the vertical pixel value y of the target object by the photographing device of the second destination end according to the following formula:

x＝m*c/(2*tan(α/2)*√((x1–x2)²+(y1–y2)²))；x=m*c/(2*tan(α/2)*√((x1–x2) ² +(y1–y2) ² ));

y＝n*b/(2*tan(α/2)*√((x1–x2)²+(y1–y2)²))；y=n*b/(2*tan(α/2)*√((x1–x2) ² +(y1–y2) ² ));

其中，c为该目标物体相对该第二子任务的拍摄坐标方向的宽度，b为该目标物体相对该第二子任务的拍摄坐标方向的高度，并确定该横向像素值x是否大于预设横向阈值，并确定该纵向像素值y是否大于预设纵向阈值。其中，若该横向像素值x大于该预设横向阈值且该纵向像素值y大于该预设纵向阈值，则确定该第二目的端的拍摄设备满足该预设拍摄要求。Where c is the width of the target object relative to the shooting coordinate direction of the second subtask, b is the height of the target object relative to the shooting coordinate direction of the second subtask, and determines whether the horizontal pixel value x is greater than a preset horizontal direction. a threshold and determining whether the longitudinal pixel value y is greater than a preset longitudinal threshold. If the horizontal pixel value x is greater than the preset horizontal threshold and the vertical pixel value y is greater than the preset vertical threshold, it is determined that the photographing device of the second destination meets the preset shooting requirement.

示例地，如图2所示，子任务指定的坐标位置为O(x1，y1)，目标物体面向该坐标位置O方向的中心点E的坐标为(x2，y2)，目标物体面向坐标位置O方向的宽度值为c，摄像头的最大视角(摄像头的视场角α)与目标物体在该宽度方向上的交点为A和B。这样，由三角形原理可知，OE点之间的距离为：For example, as shown in FIG. 2, the coordinate position specified by the subtask is O(x1, y1), the coordinate of the center point E of the target object facing the coordinate position O is (x2, y2), and the target object faces the coordinate position O. The width value of the direction is c, and the maximum angle of view of the camera (the angle of view α of the camera) and the intersection of the target object in the width direction are A and B. Thus, from the triangle principle, the distance between OE points is:

d1＝√((x1–x2)²+(y1–y2)²)D1=√((x1–x2) ² +(y1–y2) ² )

AB点之间的距离为：The distance between the AB points is:

d2＝2*d1*tan(α/2)。D2=2*d1*tan(α/2).

进而可得目标物体在照片中的横向像素值为：In turn, the horizontal pixel values of the target object in the photo are:

x＝m*(c/d2)＝m*c/(2*tan(α/2)*√((x1–x2)²+(y1–y2)²))。x=m*(c/d2)=m*c/(2*tan(α/2)*√((x1–x2) ² +(y1–y2) ² )).

同理，可得到目标物体在照片中的纵向像素值为：Similarly, the vertical pixel values of the target object in the photo can be obtained:

y＝n*b/(2*tan(α/2)*√((x1–x2)²+(y1–y2)²))。y=n*b/(2*tan(α/2)*√((x1–x2) ² +(y1–y2) ² )).

值得说明的是，也可以利用目标物体相对该坐标位置O最近的点的坐标替换中心点坐标进行计算，本公开实施例对此不做限定。It is to be noted that the coordinates of the point closest to the coordinate position O of the target object may be replaced by the coordinates of the center point, which is not limited in the embodiment of the present disclosure.

在本公开实施例的另一种可能的实现方式中，众包平台还可以在线对目的端拍摄得到的照片进行检测，判断目的端拍摄得到的照片是否满足建模要求。在此种情况下，可以无需目的端预留拍摄设备的参数。In another possible implementation manner of the embodiment of the present disclosure, the crowdsourcing platform may also detect the photograph taken by the destination end online, and determine whether the photograph taken by the destination end satisfies the modeling requirement. In this case, the parameters of the photographing device can be reserved without the destination end.

下面对众包平台生成的子任务进行说明。可选地，分派给目的端的子任务可以包括拍照指导信息，用于指引该目的端达到该拍摄坐标信息指定的位置，并指导该目的端显示该子任务的该待拍摄照片的轮廓线。The subtasks generated by the crowdsourcing platform are described below. Optionally, the child assigned to the destination The information may include photographing guide information for guiding the destination end to reach a position specified by the photographing coordinate information, and guiding the destination end to display an outline of the photograph to be taken of the subtask.

示例地，目的端在接收到子任务后，可以在地图上显示该子任务要求拍摄照片的坐标位置，还可以显示用户当前位置到子任务要求拍摄照片的坐标位置之间的导航，便于用户到达指定坐标位置。在子任务中包括待拍摄照片的轮廓线的情况下(该轮廓线即目标物体在待拍摄照片中的轮廓线)，该目的端还可以在拍摄设备的拍摄界面显示该轮廓线，这样，用户只需将目标物体的实景填入轮廓线范围内拍照即可。For example, after receiving the subtask, the destination end may display the coordinate position of the subtask requesting the photograph on the map, and may also display the navigation between the current position of the user and the coordinate position of the subtask requesting the photograph, so that the user can arrive. Specify the coordinate position. In the case where the subtask includes the outline of the photo to be taken (the outline is the outline of the target object in the photo to be photographed), the destination end can also display the outline on the photographing interface of the photographing device, so that the user Simply take a picture of the target object into the outline and take a picture.

可选地，针对具备远程控制功能的目的端，众包平台还可以向目的端发送的远程控制请求，在接收到目的端发送的用于确认允许远程控制的响应后，众包平台远程控制目的端完成该目的端接收到的子任务。例如，该目的端为一无人机的情况下，即可以在众包平台的接管操作下直接完成一个或多个坐标位置的拍摄工作，不需要目的端用户的干预。Optionally, for the destination end having the remote control function, the crowdsourcing platform may also send a remote control request to the destination end, and after receiving the response sent by the destination end for confirming the permission of the remote control, the crowdsourcing platform remote control purpose The end completes the subtask received by the destination. For example, if the destination end is a drone, the shooting of one or more coordinate positions can be directly performed under the takeover operation of the crowdsourcing platform, without the intervention of the destination user.

进一步地，众包平台在获取到目的端上传的照片后，可以确定接收到的用于响应第三子任务的照片是否满足预设条件，该第三子任务为所述至少一个子任务中的任一子任务，若用于响应该第三子任务的照片满足该预设条件，则将该第三子任务标记为已完成。Further, after obtaining the photo uploaded by the destination end, the crowdsourcing platform may determine whether the received photo for responding to the third subtask meets a preset condition, where the third subtask is in the at least one subtask Any subtask, if the photo used to respond to the third subtask meets the preset condition, marking the third subtask as completed.

值得说明的是，众包平台在分派子任务时，可以将同一个子任务分派给多个目的端，这样，在某一目的端完成该子任务时，将该子任务标记为已完成可以避免其他目的端重复执行相同的任务。It is worth noting that the crowdsourcing platform can assign the same subtask to multiple destinations when dispatching subtasks, so that when the subtask is completed on a certain destination, marking the subtask as completed can avoid other The destination side repeats the same task.

并且，众包平台在获取到部分目的端上传的照片后，还可以根据已接收到的照片对目标物体进行3D模型的部分建模，并根据所述部分建模的完成度调整当前未完成的子任务。Moreover, after obtaining the photos uploaded by the part of the destination, the crowdsourcing platform may further model the 3D model of the target object according to the received photos, and adjust the currently unfinished according to the completion degree of the partial modeling. Subtasks.

示例地，众包平台可实时尝试进行目标物体的部分3D建模，如果两个非相邻点间的图像可以拼接满足建模要求，则该两点间中所有的未完成点的照片拍摄任务就可以标记为已完成或者直接取消，所有目的端接收到的子任务中这些点也将不再可见。For example, the crowdsourcing platform can attempt to perform partial 3D modeling of the target object in real time. If the images between two non-adjacent points can be spliced to meet the modeling requirements, then all the unfinished points in the two points Photo shooting tasks can be marked as completed or canceled directly, and these points will no longer be visible in all subtasks received by the destination.

进一步地，众包平台在获取到目的端上传的照片后，可以将该照片发送给发起端，该照片用于该发起端建立目标物体的3D模型。在本公开实施例的另一种可能的实现方式中，众包平台在获取到目的端上传的照片后，也可以根据该照片建立目标物体的3D模型，并将该3D模型发送给发起端。也就是说，目标物体的3D模型建立可以由众包平台进行，也可以由发起端进行。基于此，众包平台在接收到发起端发布的针对目标物体的建模任务后，可以首先查询该目标物体的3D模型是否已存在，例如众包平台历史已建立该目标物体的3D模型，或者其他发起端曾经发布过相同的建模任务，若该目标物体的3D模型已存在，则众包平台可以直接获取该目标物体的3D模型并将该3D模型返回给发起端。Further, after obtaining the photo uploaded by the destination end, the crowdsourcing platform may send the photo to the initiator, where the photo is used by the initiator to establish a 3D model of the target object. In another possible implementation manner of the embodiment of the present disclosure, after obtaining the photo uploaded by the destination end, the crowdsourcing platform may also establish a 3D model of the target object according to the photo, and send the 3D model to the initiator. That is to say, the 3D model establishment of the target object can be performed by the crowdsourcing platform or by the originating end. Based on this, after receiving the modeling task for the target object published by the initiator, the crowdsourcing platform may first query whether the 3D model of the target object already exists, for example, the crowdsourcing platform history has established a 3D model of the target object, or The other initiators have issued the same modeling task. If the 3D model of the target object already exists, the crowdsourcing platform can directly acquire the 3D model of the target object and return the 3D model to the initiator.

在具体实施时，该众包平台可以实行奖励机制，发起端用户想要在众包平台获取某一目标物体的3D模型，需要以某种代价提供给平台，众包平台则可以提供某种奖励，如金钱，积分等方式来激励目的端接受并完成任务，以最终得到目标物体的3D模型，从而提高物体3D模型建立的效率。In the specific implementation, the crowdsourcing platform can implement a reward mechanism. The originating user wants to obtain a 3D model of a target object on the crowdsourcing platform, and needs to be provided to the platform at a certain cost, and the crowdsourcing platform can provide a certain reward. For example, money, points, etc. to stimulate the destination to accept and complete the task, in order to finally get the 3D model of the target object, thereby improving the efficiency of the object 3D model establishment.

可选地，众包平台还可以根据子任务的完成数量将完成百分比呈现给发起端，使其掌握当前建模进度，在具有奖励机制的情况下，发起端还可以根据当前进度调整奖励值以加快建模速度。Optionally, the crowdsourcing platform may also present the completion percentage to the initiator according to the number of completions of the subtasks, so that the current modeling progress is mastered. In the case of the reward mechanism, the initiator may also adjust the reward value according to the current progress. Speed up modeling.

为了使本领域技术人员更理解本公开实施例提供的技术方案，下面对本公开实施例提供的采用众包方式建立物体三维图像模型的方法进行详细说明。In order to make those skilled in the art understand the technical solutions provided by the embodiments of the present disclosure, a method for establishing a three-dimensional image model of an object by using a crowdsourcing method according to an embodiment of the present disclosure is described in detail below.

如图3所示，本公开实施例所涉及的实施环境可以包括发起端101，众包平台102，目的端103。其中，发起端101可以是用户的笔记本电脑，平板电脑，智能手机等，发起端101具备网络通信功能，与众包平台102之间可实现互联网通信。目的端103可以是用户的平板电脑，智能手机，智能相机，无人机等，具备网络通信以及拍照功能。众包平台102是一位云端的服务器或者服务器集群，该众包平台的末端可采用终端APP的形式供发起端和目的端的用户使用。图3中以发起端101是笔记本电脑来示意，以众包平台102是服务器集群来示意，以目的端103是智能手机来示意。As shown in FIG. 3, the implementation environment involved in the embodiments of the present disclosure may include an initiator 101, a crowdsourcing platform 102, and a destination 103. The initiator 101 may be a user's laptop, a tablet, a smart phone, etc., and the initiator 101 has a network communication function, and is connected to the crowdsourcing platform 102. Internet communication is possible. The destination end 103 can be a user's tablet, a smart phone, a smart camera, a drone, etc., and has network communication and photographing functions. The crowdsourcing platform 102 is a cloud server or server cluster. The end of the crowdsourcing platform can be used by the user of the originating end and the destination end in the form of a terminal APP. In FIG. 3, the originating end 101 is a notebook computer, and the crowdsourcing platform 102 is a server cluster, and the destination end 103 is a smart phone.

基于图3所示的实施环境，本公开实施例提供的一种众包方式建立物体模型的方法如图4所示，包括：Based on the implementation environment shown in FIG. 3, a method for establishing an object model in a crowdsourcing manner according to an embodiment of the present disclosure is as shown in FIG. 4, including:

S401、发起端101向众包平台102发布建模任务。S401. The initiator 101 issues a modeling task to the crowdsourcing platform 102.

S402、众包平台102获取该建模任务。S402. The crowdsourcing platform 102 acquires the modeling task.

S403、众包平台102根据该建模任务中描述信息，确定发起端请求建立3D模型的目标物体。S403. The crowdsourcing platform 102 determines, according to the description information in the modeling task, that the initiator requests to establish a target object of the 3D model.

S404、众包平台102根据该目标物体的相关信息，分析建立该目标物体的3D模型所需要的待拍摄照片，以及该待拍摄照片的拍摄坐标信息。S404. The crowdsourcing platform 102 analyzes, according to the related information of the target object, a photo to be taken, which is required to establish a 3D model of the target object, and shooting coordinate information of the photo to be taken.

其中，该相关信息可以包括建模任务中的描述信息，还可以包括众包平台102根据该描述信息搜索得到的该目标物体的其他相关信息。The related information may include description information in the modeling task, and may further include other related information of the target object obtained by the crowdsourcing platform 102 according to the description information.

S405、众包平台102生成要求根据每一待拍摄照片的拍摄坐标信息对目标物体进行拍照的多个子任务。S405. The crowdsourcing platform 102 generates a plurality of subtasks that require photographing of the target object according to the shooting coordinate information of each photo to be taken.

S406、众包平台102实时获取目的端的定位信息，并根据该定位信息确定距离待拍摄照片的拍摄坐标预定范围之内的目的端，得到第一目的端集合。S406. The crowdsourcing platform 102 acquires the positioning information of the destination end in real time, and determines a destination end within a predetermined range of the shooting coordinates of the photo to be taken according to the positioning information, to obtain a first destination end set.

S407、众包平台102根据第一目的端集合中的每一目的端的拍摄设备参数确定分派子任务的第二目的端集合。S407. The crowdsourcing platform 102 determines, according to the photographing device parameter of each destination end in the first destination set, the second destination set of the dispatch subtask.

S408、众包平台102将该多个子任务分派给该第二目的端集合中的目的端。S408. The crowdsourcing platform 102 assigns the plurality of subtasks to the destination end in the second destination set.

其中，众包平台102可以将一个子任务可以同时分派给多个目的端。例如，众包平台102可以所有子任务分派给处于距离该目标物体的坐标位置预定范围内的每一个目的端。Among them, the crowdsourcing platform 102 can assign one subtask to multiple destinations at the same time. For example, the crowdsourcing platform 102 can assign all subtasks to coordinate positions that are at a distance from the target object. Each destination within a given range.

S409、目的端103接收众包平台分派的子任务，并根据用户操作在该子任务的拍摄坐标处对目标物体进行拍照。S409. The destination end 103 receives the subtask assigned by the crowdsourcing platform, and takes a photo of the target object at the shooting coordinate of the subtask according to the user operation.

示例地，目的端103针对接收到的某一子任务，可以在地图上显示该子任务的拍摄坐标，并且，当目的端103当前的位置达到该拍摄坐标处时，可以在拍摄界面显示目标物体的轮廓，便于用户将目标物体的实景填入该轮廓并进行拍照。For example, the destination end 103 may display the shooting coordinates of the subtask on the map for a certain subtask received, and may display the target object on the shooting interface when the current position of the destination end 103 reaches the shooting coordinate. The contour is convenient for the user to fill the contour of the target object and take a picture.

S410、目的端103将拍照得到的照片上传给众包平台102。S410. The destination end 103 uploads the photographed photo to the crowdsourcing platform 102.

S411、众包平台102接收目的端103上传的照片，并在确定该照片满足建模要求时，将对应的子任务标记为已完成。S411. The crowdsourcing platform 102 receives the photo uploaded by the destination end 103, and marks the corresponding subtask as completed when it is determined that the photo meets the modeling requirement.

其中，该建模要求可以参照上述方法实施例描述的目标物体在照片中的横向像素值和纵向像素值的阈值要求。另外，将子任务标记为已完成后，可以设置其他目的端对已完成的子任务不可见。Wherein, the modeling requirement can refer to the threshold requirement of the horizontal pixel value and the vertical pixel value of the target object in the photo described in the foregoing method embodiment. In addition, after marking a subtask as completed, you can set other destinations to be invisible to completed subtasks.

S412、众包平台102根据当前已接收到的照片实时对目标物体进行部分建模。S412. The crowdsourcing platform 102 partially models the target object in real time according to the currently received photo.

S413、众包平台102根据部分建模结果，对当前未完成的子任务进行调整。S413. The crowdsourcing platform 102 adjusts the currently uncompleted subtask according to the partial modeling result.

例如，众包平台102可以基于当前的部分建模结果，对未建模的部分重新计算需要的待拍摄照片，以及待拍摄照片的拍摄坐标信息，并重新生成分派给目的端的子任务。For example, the crowdsourcing platform 102 may recalculate the uncaptured portion, the required photographs to be taken, and the photographing coordinate information of the photograph to be photographed based on the current partial modeling result, and regenerate the subtasks assigned to the destination.

S414、众包平台102在建立完成目标物体的3D模型后，将该3D模型发送给发起端101。S414. After the crowdsourcing platform 102 establishes the 3D model of the target object, the 3D model is sent to the initiator 101.

S415、发起端101接收众包平台102发送的目标物体的3D模型。S415. The initiator 101 receives a 3D model of the target object sent by the crowdsourcing platform 102.

值得说明的是，对于上述方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本公开并不受所描述的动作顺序的限制。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作并不一定是本公开所必须的。It should be noted that, for the above method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present disclosure is not described. The limit of the action sequence. In the following, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions involved are not necessarily required by the present disclosure.

本公开实施例还提供一种众包平台，用于实施上述方法实施例提供的一种众包方式建立物体模型的方法，如图5所示，该众包平台包括：The embodiment of the present disclosure further provides a crowdsourcing platform for implementing a method for establishing an object model in a crowdsourcing manner provided by the foregoing method embodiment. As shown in FIG. 5, the crowdsourcing platform includes:

任务获取模块501，用于获取发起端发布的建模任务，所述建模任务包括目标物体的相关信息，所述建模任务用于请求建立所述目标物体的3D模型；The task obtaining module 501 is configured to acquire a modeling task issued by the initiator, where the modeling task includes related information of the target object, and the modeling task is used to request to establish a 3D model of the target object;

建模分析模块502，用于根据所述相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及所述待拍摄照片的拍摄坐标信息；The modeling analysis module 502 is configured to analyze, according to the related information, a photo to be photographed required to establish a 3D model of the target object, and shooting coordinate information of the photo to be photographed;

子任务生成模块503，用于根据所述待拍摄照片以及所述拍摄坐标信息至少一个子任务，所述至少一个子任务包括要求对所述目标物体进行拍照任务；a subtask generating module 503, configured to: according to the photograph to be photographed and the photographing coordinate information, at least one subtask, the at least one subtask comprising requesting a photographing task on the target object;

任务分派模块504，用于将所述至少一个子任务分派给至少一个目的端；a task dispatching module 504, configured to assign the at least one subtask to at least one destination;

接收模块505，用于接收所述至少一个目的端上传的用于响应所述至少一个子任务的照片，所述照片用于建立所述物体的3D模型。The receiving module 505 is configured to receive a photo uploaded by the at least one destination for responding to the at least one subtask, where the photo is used to establish a 3D model of the object.

采用上述众包平台，该众包平台在获取到发起端发布的建模任务后，根据建模任务中描述的目标物体的相关信息，可以自动分析出建立该目标物体的3D模型所需要拍摄的照片，以及待拍摄照片的坐标，并且，众包平台基于分析结果可以将建模任务分为多数个子任务分派给多个目的端执行。这样，对于发起端来说，其只需要在众包平台上发布描述有目标物体的相关信息的建模任务，无需自己承担建立模型所需要的照片拍摄工作，从而降低了成本，并且，在海量目的端愿意接受并执行众包平台分派的任务的情况下，拍摄建模所需的照片的效率将大大提高，进而提高物体建模的效率。Using the above-mentioned crowdsourcing platform, after obtaining the modeling task issued by the initiator, the crowdsourcing platform can automatically analyze the 3D model needed to establish the target object according to the related information of the target object described in the modeling task. The photo, and the coordinates of the photo to be taken, and the crowdsourcing platform can divide the modeling task into a plurality of subtasks and assign them to multiple destinations based on the analysis results. In this way, for the initiator, it only needs to publish the modeling task describing the relevant information of the target object on the crowdsourcing platform, and does not need to undertake the photo shooting work required to establish the model, thereby reducing the cost and, in mass, When the destination is willing to accept and execute the task assigned by the crowdsourcing platform, the efficiency of taking the photos required for modeling will be greatly improved, thereby improving the efficiency of object modeling.

可选地，所述相关信息包括以下至少一种：Optionally, the related information includes at least one of the following:

所述目标物体的图片，所述目标物体的名称，所述目标物体的地理坐标，所述目标物体的高度信息，所述目标物体的占地面积信息。a picture of the target object, a name of the target object, a geographic coordinate of the target object, Height information of the target object, footprint information of the target object.

可选地，所述相关信息包括所述目标物体的地理坐标、高度信息以及占地面积信息，所述建模分析模块502具体用于，根据所述地理坐标确定所述目标物体在3D地图上的位置，所述3D地图包括所述目标物体的轮廓信息；根据所述轮廓信息，以及所述高度信息和所述占地面积信息分析确定完成所述目标物体的3D模型所需要的不同拍摄角度的待拍摄照片和每一张所述待拍摄照片的拍摄位置的3D坐标范围，所述拍摄坐标信息包括所述3D坐标范围。Optionally, the related information includes geographic coordinates, height information, and footprint information of the target object, and the modeling analysis module 502 is specifically configured to determine, according to the geographic coordinates, the target object on a 3D map. a location, the 3D map includes contour information of the target object; and determining, according to the contour information, the height information and the footprint information, different shooting angles required to complete a 3D model of the target object And a 3D coordinate range of a photographing position of each of the photographs to be photographed, the photographing coordinate information including the 3D coordinate range.

可选地，所述任务分派模块504用于，获取第一目的端的定位信息；判断第一子任务的所述拍摄坐标信息与所述第一目的端的定位信息是否满足预定距离条件，所述第一子任务为所述至少一个子任务中的任一子任务；若所述第一子任务的所述拍摄坐标信息与所述第一目的端的定位信息满足所述预定距离条件，则将所述第一子任务分派给所述第一目的端。Optionally, the task assignment module 504 is configured to: acquire positioning information of the first destination end, and determine whether the shooting coordinate information of the first subtask and the positioning information of the first destination end meet a predetermined distance condition, where a subtask is any one of the at least one subtask; if the photographing coordinate information of the first subtask and the positioning information of the first destination end satisfy the predetermined distance condition, the The first subtask is assigned to the first destination.

可选地，所述任务分派模块504用于，获取第二目的端的定位信息以及所述第二目的端的拍摄设备参数；根据第二子任务的所述拍摄坐标信息以及所述拍摄设备参数确定所述第二目的端的拍摄设备是否满足预设拍摄要求，所述第二子任务为所述至少一个子任务中的任一子任务；若所述第二目的端的拍摄设备满足所述预设拍摄要求，且所述第二子任务的所述拍摄坐标信息与所述第二目的端的定位信息满足预定距离条件，则将所述第二子任务分派给所述第二目的端。Optionally, the task dispatching module 504 is configured to acquire positioning information of the second destination end and shooting device parameters of the second destination end, and determine, according to the shooting coordinate information of the second subtask and the shooting device parameter. Whether the shooting device of the second destination meets the preset shooting requirement, and the second subtask is any one of the at least one subtask; if the shooting device of the second destination meets the preset shooting requirement And the shooting information of the second subtask and the positioning information of the second destination meet a predetermined distance condition, and the second subtask is assigned to the second destination.

其中，所述拍摄设备参数可以包括摄像头的视场角α以及最大拍照分辨率m*n，则在所述第二子任务的所述拍摄坐标信息为(x1，y1)，所述目标物体中心点坐标为(x2，y2)时，所述任务分派模块504可以根据如下公式计算得到所述第二目的端的拍摄设备拍摄所述目标物体的横向像素值x以及纵向像素值y： The shooting device parameter may include a viewing angle α of the camera and a maximum camera resolution m*n, and the shooting coordinate information in the second subtask is (x1, y1), the target object center When the point coordinates are (x2, y2), the task dispatching module 504 can calculate, according to the following formula, that the photographing device of the second destination end captures the horizontal pixel value x and the vertical pixel value y of the target object:

其中，c为所述目标物体相对所述第二子任务的拍摄坐标方向的宽度，b为所述目标物体相对所述第二子任务的拍摄坐标方向的高度，并确定所述横向像素值x是否大于预设横向阈值，并确定所述纵向像素值y是否大于预设纵向阈值；其中，若所述横向像素值x大于所述预设横向阈值且所述纵向像素值y大于所述预设纵向阈值，则确定所述第二目的端的拍摄设备满足所述预设拍摄要求。Where c is the width of the target object relative to the photographing coordinate direction of the second subtask, b is the height of the target object relative to the photographing coordinate direction of the second subtask, and the lateral pixel value x is determined Whether it is greater than a preset horizontal threshold, and determining whether the vertical pixel value y is greater than a preset vertical threshold; wherein, if the horizontal pixel value x is greater than the preset horizontal threshold and the vertical pixel value y is greater than the preset The longitudinal threshold determines that the photographing device of the second destination meets the preset photographing requirement.

可选地，所述子任务包括拍照指导信息，用于指引所述目的端达到所述拍摄坐标信息指定的位置，并指导所述目的端显示所述子任务的所述待拍摄照片的轮廓线。Optionally, the subtask includes photographing guide information for guiding the destination end to reach a position specified by the photographing coordinate information, and guiding the destination end to display an outline of the photo to be photographed of the subtask .

可选地，如图6所示，该众包平台还包括：发送模块506和远程控制模块507，发送模块506用于向所述目的端发送远程控制请求，远程控制模块507用于在接收模块505接收到所述目的端发送的用于确认允许远程控制的响应后，远程控制所述目的端完成所述目的端接收到的子任务。Optionally, as shown in FIG. 6, the crowdsourcing platform further includes: a sending module 506 and a remote control module 507, where the sending module 506 is configured to send a remote control request to the destination end, and the remote control module 507 is configured to receive the module. After receiving the response sent by the destination end to confirm the permission of the remote control, the 505 remotely controls the destination end to complete the subtask received by the destination end.

可选地，如图6所示，该众包平台还包括：照片检测模块508，用于确定接收到的用于响应第三子任务的照片是否满足预设条件，所述第三子任务为所述至少一个子任务中的任一子任务；任务标记模块509，用于若用于响应所述第三子任务的照片满足所述预设条件，则将所述第三子任务标记为已完成。Optionally, as shown in FIG. 6, the crowdsourcing platform further includes: a photo detection module 508, configured to determine whether the received photo for responding to the third subtask meets a preset condition, and the third subtask is Any one of the at least one subtasks; the task marking module 509 is configured to mark the third subtask as if the photo for responding to the third subtask meets the preset condition carry out.

可选地，如图6所示，该众包平台还包括：建模模块510，用于根据已接收到的所述照片对所述目标物体进行3D模型的部分建模。其中，所述任务分派模块504还用于，根据所述部分建模的完成度调整当前未完成的子任务。Optionally, as shown in FIG. 6, the crowdsourcing platform further includes: a modeling module 510, configured to perform partial modeling of the 3D model on the target object according to the received photo. The task dispatching module 504 is further configured to adjust the currently uncompleted subtask according to the degree of completion of the partial modeling.

可选地，该众包平台的发送模块506还可以用于，将所述照片发送给所述发起端，所述照片用于所述发起端建立所述目标物体的3D模型；或者，该发送模块506还可以用于，在该建模模块510根据所述照片建立所述目标物体的3D模型后，将所述3D模型发送给所述发起端。Optionally, the sending module 506 of the crowdsourcing platform is further configured to send the photo to the office The originating end, the photo is used by the initiator to establish a 3D model of the target object; or the sending module 506 is further configured to: establish, in the modeling module 510, the 3D of the target object according to the photo After the model, the 3D model is sent to the initiator.

本领域的技术人员可以清楚地了解到，为描述的方便和简洁，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将众包平台的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。上述描述功能模块的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。It will be apparent to those skilled in the art that for the convenience and brevity of the description, only the division of each functional module described above is exemplified. In practical applications, the above functional assignments may be completed by different functional modules as needed. The internal structure of the crowdsourcing platform is divided into different functional modules to perform all or part of the functions described above. For the specific working process of the foregoing function module, refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

这样，在本公开实施例的一种可能的应用场景中，用户可能希望看到某知名建筑或者任意其他建筑、地标等的各角度图像，或者用户在当地旅游，但因为所处位置限制，只能看到建筑某个角度的情况下，即使用户自己有建模的软件，但由于在符合要求的角度和位置上拍照进行建模要耗费大量人力物力，可能其自身能力无法完成。此时则可以通过本公开实施例提供的众包平台获得想要观看的建筑的3D模型，降低成本的同时提高了建模效率。Thus, in a possible application scenario of the embodiment of the present disclosure, the user may wish to see images of various angles of a well-known building or any other building, landmark, etc., or the user travels locally, but because of the location limitation, only When you can see a certain angle of the building, even if the user has the software to be modeled, it takes a lot of manpower and resources to take photos in the angle and position of the required requirements, which may not be able to complete their own capabilities. At this time, the 3D model of the building to be viewed can be obtained by the crowdsourcing platform provided by the embodiment of the present disclosure, which reduces the cost and improves the modeling efficiency.

本公开实施例还提供一种非临时性计算机可读存储介质1，所述非临时性计算机可读存储介质1中包括一个或多个程序，所述一个或多个程序用于执行上述方法实施例提供的一种众包方法建立物体模型的方法。The embodiment of the present disclosure further provides a non-transitory computer readable storage medium 1 including one or more programs for performing the above method implementation. The example provides a method of crowdsourcing to build an object model.

本公开实施例还提供一种众包平台2，包括：所述的非临时性计算机可读存储介质1，以及一个或者多个处理器，用于执行所述非临时性计算机可读存储介质1中的程序。The embodiment of the present disclosure further provides a crowdsourcing platform 2, comprising: the non-transitory computer readable storage medium 1 and one or more processors for executing the non-transitory computer readable storage medium 1 In the program.

图7是本公开实施例提供的众包平台的另一种结构示意图，参照图7，众包平台包括处理器701，其数量可以为一个或多个，以及存储器702，用于存储可由处理器701执行的计算机程序。存储器702中存储的计算机程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理器702可以被配置为执行该计算机程序，以执行上述众包方式建立物体模型的方法。 FIG. 7 is another schematic structural diagram of a crowdsourcing platform according to an embodiment of the present disclosure. Referring to FIG. 7, a crowdsourcing platform includes a processor 701, which may be one or more, and a memory 702 for storing a processor. 701 computer program executed. The computer program stored in memory 702 can include one or more modules each corresponding to a set of instructions. Moreover, processor 702 can be configured to execute the computer program to perform the method of building an object model in a crowdsourced manner as described above.

另外，众包平台还可以包括电源组件703和通信组件704，该电源组件703可以被配置为执行众包平台的电源管理，该通信组件704可以被配置为实现众包平台的通信，例如，有线或无线通信。此外，该众包平台还可以包括输入/输出(I/O)接口705。众包平台可以操作基于存储在存储器702的操作***，例如Windows ServerTM，Mac OS XTM，UnixTM，LinuxTM等等。In addition, the crowdsourcing platform can also include a power component 703 and a communication component 704 that can be configured to perform power management of the crowdsourcing platform, the communication component 704 can be configured to enable communication of the crowdsourcing platform, for example, wired Or wireless communication. In addition, the crowdsourcing platform can also include an input/output (I/O) interface 705. The crowdsourcing platform can operate based on operating systems stored in memory 702, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, and the like.

本公开实施例还提供一种物体建模***，所述***包括众包平台，以及发起端和目的端，其中，所述发起端与所述目的端是在所述众包平台注册的终端设备。该***可以参照图3所示的实施环境中的发起端101、众包平台102和目的端103。并且众包平台的具体结构可以参照图5或图6所示的众包平台，此处不再赘述。An embodiment of the present disclosure further provides an object modeling system, where the system includes a crowdsourcing platform, and an originating end and a destination end, wherein the originating end and the destination end are terminal devices registered in the crowdsourcing platform. . The system can refer to the initiator 101, the crowdsourcing platform 102, and the destination 103 in the implementation environment shown in FIG. The specific structure of the crowdsourcing platform can be referred to the crowdsourcing platform shown in FIG. 5 or FIG. 6, and details are not described herein again.

以上结合附图详细描述了本公开的优选实施方式，但是，本公开并不限于上述实施方式中的具体细节，在本公开的技术构思范围内，可以对本公开的技术方案进行多种简单变型，这些简单变型均属于本公开的保护范围。The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solutions of the present disclosure within the scope of the technical idea of the present disclosure. These simple variations are all within the scope of the disclosure.

另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，为了避免不必要的重复，本公开对各种可能的组合方式不再另行说明。It should be further noted that the specific technical features described in the above specific embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure is applicable to various possibilities. The combination method will not be described separately.

此外，本公开的各种不同的实施方式之间也可以进行任意组合，只要其不违背本公开的思想，其同样应当视为本公开所公开的内容。 In addition, any combination of various embodiments of the present disclosure may be made as long as it does not deviate from the idea of the present disclosure, and should also be regarded as the disclosure of the present disclosure.

Claims

一种建立物体三维图像模型的方法，其特征在于，所述方法应用于众包平台，所述方法包括：A method for establishing a three-dimensional image model of an object, wherein the method is applied to a crowdsourcing platform, the method comprising:

获取发起端发布的建模任务，所述建模任务包括目标物体的相关信息，所述建模任务用于请求建立所述目标物体的3D模型；Obtaining a modeling task issued by the initiator, where the modeling task includes related information of the target object, and the modeling task is used to request to establish a 3D model of the target object;

根据所述相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及所述待拍摄照片的拍摄坐标信息；And analyzing, according to the related information, a photo to be photographed required to establish a 3D model of the target object, and shooting coordinate information of the photo to be photographed;

根据所述待拍摄照片以及所述拍摄坐标信息生成至少一个子任务，所述至少一个子任务包括要求对所述目标物体进行拍照的任务；Generating at least one subtask according to the photograph to be photographed and the photographing coordinate information, the at least one subtask comprising a task of requesting photographing of the target object;

将所述至少一个子任务分派给至少一个目的端；Assigning the at least one subtask to at least one destination;

接收所述至少一个目的端上传的用于响应所述至少一个子任务的照片，所述照片用于建立所述物体的3D模型。Receiving a photo uploaded by the at least one destination for responding to the at least one subtask, the photo being used to establish a 3D model of the object.
根据权利要求1所述的方法，其特征在于，所述相关信息包括以下至少一种：The method of claim 1, wherein the related information comprises at least one of the following:

所述目标物体的图片，所述目标物体的名称，所述目标物体的地理坐标，所述目标物体的高度信息，所述目标物体的占地面积信息。a picture of the target object, a name of the target object, a geographic coordinate of the target object, a height information of the target object, and an area information of the target object.
根据权利要求1所述的方法，其特征在于，所述相关信息包括所述目标物体的地理坐标、高度信息以及占地面积信息，所述根据所述相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及所述待拍摄照片的拍摄坐标信息，包括：The method according to claim 1, wherein the related information includes geographical coordinates, height information, and footprint information of the target object, and the analyzing and establishing the 3D of the target object according to the related information The photograph to be photographed required by the model, and the photographing coordinate information of the photograph to be photographed, including:

根据所述地理坐标确定所述目标物体在3D地图上的位置，所述3D地图包括所述目标物体的轮廓信息；Determining a location of the target object on a 3D map according to the geographic coordinates, the 3D map including contour information of the target object;

根据所述轮廓信息，以及所述高度信息和所述占地面积信息分析确定完成所述目标物体的3D模型所需要的不同拍摄角度的待拍摄照片和每一张所述待拍摄照片的拍摄位置的3D坐标范围，所述拍摄坐标信息包括所述3D坐标范围。And determining, according to the contour information, the height information and the floor space information a 3D coordinate range of a photographing position of a different photographing angle required for the 3D model of the target object and a photographing position of each of the photographs to be photographed, the photographing coordinate information including the 3D coordinate range.
根据权利要求1至3任一项所述的方法，其特征在于，所述将所述至少一个子任务分派给至少一个目的端，包括：The method according to any one of claims 1 to 3, wherein the assigning the at least one subtask to at least one destination comprises:

获取第一目的端的定位信息；Obtaining positioning information of the first destination end;

判断第一子任务的所述拍摄坐标信息与所述第一目的端的定位信息是否满足预定距离条件，所述第一子任务为所述至少一个子任务中的任一子任务；Determining whether the shooting coordinate information of the first subtask and the positioning information of the first destination end satisfy a predetermined distance condition, and the first subtask is any one of the at least one subtask;

若所述第一子任务的所述拍摄坐标信息与所述第一目的端的定位信息满足所述预定距离条件，则将所述第一子任务分派给所述第一目的端。And if the shooting coordinate information of the first subtask and the positioning information of the first destination end satisfy the predetermined distance condition, the first subtask is assigned to the first destination end.
根据权利要求1至3任一项所述的方法，其特征在于，所述将所述至少一个子任务分派给至少一个目的端，包括：The method according to any one of claims 1 to 3, wherein the assigning the at least one subtask to at least one destination comprises:

获取第二目的端的定位信息以及所述第二目的端的拍摄设备参数；Obtaining positioning information of the second destination end and shooting device parameters of the second destination end;

根据第二子任务的所述拍摄坐标信息以及所述拍摄设备参数确定所述第二目的端的拍摄设备是否满足预设拍摄要求，所述第二子任务为所述至少一个子任务中的任一子任务；Determining, according to the photographing coordinate information of the second subtask and the photographing device parameter, whether the photographing device of the second destination end satisfies a preset photographing request, and the second subtask is any one of the at least one subtask Subtasks;

若所述第二目的端的拍摄设备满足所述预设拍摄要求，且所述第二子任务的所述拍摄坐标信息与所述第二目的端的定位信息满足预定距离条件，则将所述第二子任务分派给所述第二目的端。And if the photographing device of the second target end meets the preset photographing requirement, and the photographing coordinate information of the second subtask and the positioning information of the second destination end satisfy a predetermined distance condition, then the second A subtask is assigned to the second destination.
根据权利要求5所述的方法，其特征在于，所述拍摄设备参数包括摄像头的视场角α以及最大拍照分辨率m*n，所述第二子任务的所述拍摄坐标信息为(x1，y1)，所述目标物体中心点坐标为(x2，y2)，所述根据第二子任务的所述拍摄坐标信息以及所述拍摄设备参数确定所述第二目的端的拍摄设备是否满足预设拍摄要求，包括：The method according to claim 5, wherein said photographing device parameters comprise a field of view angle α of the camera and a maximum photographing resolution m*n, said photographing of said second subtask The target information is (x1, y1), the target object center point coordinate is (x2, y2), and the photographing coordinate information according to the second subtask and the photographing device parameter determine the photographing of the second target end Whether the device meets the preset shooting requirements, including:

根据如下公式计算得到所述第二目的端的拍摄设备拍摄所述目标物体的横向像素值x以及纵向像素值y：Calculating the lateral pixel value x and the vertical pixel value y of the target object by the photographing device of the second destination end according to the following formula:

x＝m*c/(2*tan(α/2)*√((x1–x2)²+(y1–y2)²))；x=m*c/(2*tan(α/2)*√((x1–x2) ² +(y1–y2) ² ));

y＝n*b/(2*tan(α/2)*√((x1–x2)²+(y1–y2)²))；y=n*b/(2*tan(α/2)*√((x1–x2) ² +(y1–y2) ² ));

其中，c为所述目标物体相对所述第二子任务的拍摄坐标方向的宽度，b为所述目标物体相对所述第二子任务的拍摄坐标方向的高度；Where c is the width of the target object relative to the shooting coordinate direction of the second subtask, and b is the height of the target object relative to the shooting coordinate direction of the second subtask;

确定所述横向像素值x是否大于预设横向阈值，并确定所述纵向像素值y是否大于预设纵向阈值；其中，若所述横向像素值x大于所述预设横向阈值且所述纵向像素值y大于所述预设纵向阈值，则确定所述第二目的端的拍摄设备满足所述预设拍摄要求。Determining whether the horizontal pixel value x is greater than a preset lateral threshold, and determining whether the vertical pixel value y is greater than a preset longitudinal threshold; wherein if the horizontal pixel value x is greater than the preset lateral threshold and the vertical pixel The value y is greater than the preset vertical threshold, and it is determined that the photographing device of the second destination meets the preset photographing requirement.
根据权利要求1至3任一项所述的方法，其特征在于，所述子任务包括拍照指导信息，用于指引所述目的端达到所述拍摄坐标信息指定的位置，并指导所述目的端显示所述子任务的所述待拍摄照片的轮廓线。The method according to any one of claims 1 to 3, wherein the subtask includes photographing guide information for guiding the destination end to reach a position specified by the photographing coordinate information, and guiding the destination end An outline of the photo to be taken of the subtask is displayed.
根据权利要求1至3任一项所述的方法，其特征在于，在所述将所述至少一个子任务分派给至少一个目的端之后，还包括：The method according to any one of claims 1 to 3, further comprising: after the assigning the at least one subtask to the at least one destination end, further comprising:

向所述目的端发送远程控制请求；Sending a remote control request to the destination;

在接收到所述目的端发送的用于确认允许远程控制的响应后，远程控制所述目的端完成所述目的端接收到的子任务。After receiving the response sent by the destination end for confirming the permission of the remote control, the destination end is remotely controlled to complete the subtask received by the destination end.
根据权利要求1至3任一项所述的方法，其特征在于，所述方法还包括：Method according to any one of claims 1 to 3, characterized in that the method further include:

确定接收到的用于响应第三子任务的照片是否满足预设条件，所述第三子任务为所述至少一个子任务中的任一子任务；Determining whether the received photo for responding to the third subtask meets a preset condition, and the third subtask is any one of the at least one subtask;

若用于响应所述第三子任务的照片满足所述预设条件，则将所述第三子任务标记为已完成。If the photo for responding to the third subtask satisfies the preset condition, the third subtask is marked as completed.
根据权利要求9所述的方法，其特征在于，所述方法还包括：The method of claim 9 wherein the method further comprises:

根据已接收到的所述照片对所述目标物体进行3D模型的部分建模；Partial modeling of the 3D model of the target object based on the received photo;

根据所述部分建模的完成度调整当前未完成的子任务。The currently unfinished subtasks are adjusted according to the degree of completion of the partial modeling.
根据权利要求1至3任一项所述的方法，其特征在于，所述方法还包括：The method according to any one of claims 1 to 3, wherein the method further comprises:

将所述照片发送给所述发起端，所述照片用于所述发起端建立所述目标物体的3D模型；或者，Sending the photo to the originating end, the photo being used by the originating end to establish a 3D model of the target object; or

根据所述照片建立所述目标物体的3D模型，并将所述3D模型发送给所述发起端。Establishing a 3D model of the target object according to the photo, and transmitting the 3D model to the originating end.
一种众包平台，其特征在于，包括；A crowdsourcing platform, characterized in that

任务获取模块，用于获取发起端发布的建模任务，所述建模任务包括目标物体的相关信息，所述建模任务用于请求建立所述目标物体的3D模型；a task acquisition module, configured to acquire a modeling task issued by the initiator, where the modeling task includes related information of the target object, where the modeling task is used to request to establish a 3D model of the target object;

建模分析模块，用于根据所述相关信息，分析建立所述目标物体的3D模型所需要的待拍摄照片，以及所述待拍摄照片的拍摄坐标信息；a modeling analysis module, configured to analyze, according to the related information, a photo to be photographed required to establish a 3D model of the target object, and shooting coordinate information of the photo to be photographed;

子任务生成模块，用于根据所述待拍摄照片以及所述拍摄坐标信息生成至少一个子任务，所述至少一个子任务包括要求对所述目标物体进行拍照的任务； a subtask generating module, configured to generate at least one subtask according to the photograph to be photographed and the photographing coordinate information, where the at least one subtask includes a task of requesting photographing the target object;

任务分派模块，用于将所述至少一个子任务分派给至少一个目的端；a task dispatching module, configured to assign the at least one subtask to at least one destination;

接收模块，用于接收所述至少一个目的端上传的用于响应所述至少一个子任务的照片，所述照片用于建立所述物体的3D模型。And a receiving module, configured to receive a photo uploaded by the at least one destination for responding to the at least one subtask, where the photo is used to establish a 3D model of the object.
一种非临时性计算机可读存储介质，其特征在于，所述非临时性计算机可读存储介质中包括一个或多个程序，所述一个或多个程序用于执行权利要求1至11任一项所述的方法。A non-transitory computer readable storage medium, comprising: one or more programs, the one or more programs for performing any one of claims 1 to 11 The method described in the item.
一种众包平台，其特征在于，包括：权利要求11中所述的非临时性计算机可读存储介质；以及A crowdsourcing platform, comprising: the non-transitory computer readable storage medium of claim 11;

一个或者多个处理器，用于执行所述非临时性计算机可读存储介质中的程序。One or more processors for executing a program in the non-transitory computer readable storage medium.
一种物体建模***，其特征在于，所述***包括：如权利要求11或13所述的众包平台，以及发起端和目的端，其中，所述发起端与所述目的端是在所述众包平台注册的终端设备。 An object modeling system, comprising: the crowdsourcing platform according to claim 11 or 13, and an originating end and a destination end, wherein the originating end and the destination end are in the The terminal device registered by the crowdsourcing platform.