CN109218524B - Mobile phone APP and method for generating house type graph through house measurement based on photographing and video recording - Google Patents
Mobile phone APP and method for generating house type graph through house measurement based on photographing and video recording Download PDFInfo
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- CN109218524B CN109218524B CN201810982544.0A CN201810982544A CN109218524B CN 109218524 B CN109218524 B CN 109218524B CN 201810982544 A CN201810982544 A CN 201810982544A CN 109218524 B CN109218524 B CN 109218524B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The invention discloses a mobile phone APP and a method for generating a house type graph by house measurement based on photographing and video recording, wherein the measurement APP is installed through a smart phone, an indoor picture and a video are collected through a camera by utilizing a smart phone camera and a gyroscope, the room size is rapidly calculated through image identification and pixel calculation, and the positions of a switch, a socket, a corner, a window sill, a door and the like are marked to generate a 2D plane graph or a 3D house type graph, so that the time required by the house decoration process is greatly reduced.
Description
Technical Field
The invention relates to the technical field of image recognition and pixel calculation, in particular to a mobile phone APP and a method for generating a house type graph by house measurement based on a photo and video.
Background
The house type graph comprises an electronic version house type graph provided by a developer and a house type graph obtained by photographing by a user. When the existing house is subjected to decoration measurement, the house size needs to be accurate, the house type diagram provided by a developer is often far away from the house size of the user, the house type diagram formed by photographing the house type diagram by the user is often unclear, and the size of the house type diagram cannot be obtained at all, so that the house type diagram required by decoration is mainly subjected to manual measurement, and switches, corners and the like need to be measured independently, so that the time consumption is long, and the error is high.
Disclosure of Invention
In order to solve the defects of the prior art, the invention designs a mobile phone APP and a method for generating a house type graph by performing house measurement based on shooting and video recording, wherein the measurement APP is installed through a smart phone, indoor pictures and videos are collected through a camera by utilizing a smart phone camera and a gyroscope, the room size is rapidly calculated through image identification and pixel calculation, the positions of a switch, a socket, a corner, a window sill, a door and the like are marked, a 2D plane graph or a 3D house type graph is generated, and the time required by the house decoration process is greatly reduced.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a cell-phone APP that house measurement generated user type picture based on take a picture video recording, includes:
the camera calling module is configured to record room images by calling a mobile phone camera;
the gyroscope calling module is configured to record the mobile phone moving direction by calling the mobile phone gyroscope;
the calculation module is configured to calculate the number of pixels according to calibration paper pasted on a wall, and calculate the size of each position of a room according to proportion conversion;
the image recognition module is configured to label the positions of the socket, the switch, the corner, the door and the window according to an image recognition technology;
and the image generation module is configured to generate a 2D plan according to the position sizes of the rooms and the positions of the sockets, the switches, the wall corners, the doors and the windows, splice the 2D plan to obtain a 3D image of a single room, and splice the images of the rooms by calling gyroscope data to generate a 3D house type image.
Furthermore, the calibration paper is a square calibration paper with a large color difference with the wall surface.
The square grid calibration paper is preferably black and white grid calibration paper, and the black/white grid size is preferably 4 x 4 cm.
If calibration paper is not used, the generated drawing has larger error and only has reference significance. But the drawing generation speed is high.
A method for generating a house type graph by house measurement based on a photo record adopts the mobile phone APP measurement, and specifically comprises the following steps:
step 1) pasting calibration paper on a wall to be measured;
step 2) opening a smart phone measurement APP, calling a mobile phone camera to record a room image, and calling a gyroscope to record the mobile direction of the mobile phone;
step 3) calculating the number of pixels through calibration paper, and calculating the size of each position of a room according to proportion conversion;
step 4) marking the positions of the socket, the switch, the corner, the door and the window by self through an image recognition technology, and generating a 2D plan according to the sizes of the positions of the room and the positions of the socket, the switch, the corner, the door and the window;
and step 5) measuring the rooms one by one, calling gyroscope data through the measurement APP to perform image splicing of the rooms, and generating a 3D house type graph.
Furthermore, the calibration paper is a square calibration paper with a large color difference with the wall surface.
The square grid calibration paper is preferably black and white grid calibration paper, and the black/white grid size is preferably 4 x 4 cm.
Further, in the step 4), if the positions of the socket, the switch, the corner, the door and the window cannot be accurately identified through image identification, drawing frames at the socket, the switch, the door and the window by using a marker pen, and marking lines at the corner to assist in the image identification, so that the socket, the switch, the corner, the door and the window are identified through the image identification and marked;
or the mobile phone is close to the socket, the switch, the corner, the door and the window, so that the camera fully captures images to assist in identification.
A method for generating a house type graph by house measurement based on a photo record adopts the mobile phone APP measurement, and comprises the following steps:
step 1) acquiring room data by calling a mobile phone gyroscope and a camera through an AR technology, and calculating the size of each position in a room;
step 2) identifying sockets, switches, corners, doors and windows in a room through an image identification technology, and generating a 2D plan according to the sizes of the positions of the sockets, the switches, the corners, the doors and the windows in the room;
and 3) measuring the rooms one by one, calling gyroscope data through the AR to perform image splicing of the rooms, and generating a 3D house type graph.
Further, in the step 2), if the positions of the socket, the switch, the corner, the door and the window cannot be accurately identified through image identification, a marker pen is used for drawing frames at the socket, the switch, the door and the window, and lines are drawn at the corner for assistance, so that the socket, the switch, the corner, the door and the window are identified through image identification and marked.
Further, the step 1) further comprises scanning the same plane for multiple times, and automatically performing difference value calculation, image compensation calculation and frame picture compensation calculation according to the scanning result to reduce the measurement error.
Further, the method also comprises the steps of shortening the distance between the camera of the mobile phone and the object, enabling the lens to fully capture the details of the object, obtaining the space position of the object through a gyroscope and an acceleration sensor, and obtaining the mobile direction record of the mobile phone and the room image record; and calculating and acquiring object detail object data through AR software, and performing supplementary optimization on the whole data according to the object detail data.
Further, step 1 may be replaced by pasting calibration paper on the wall to be measured, calling a mobile phone gyroscope and a camera to collect room data, and performing room size conversion according to the calibration paper through AR software to obtain the sizes of the positions in the room.
Compared with the prior art, the invention has the beneficial effects that:
1) the home decoration client can firstly measure and calculate before decoration by the method, and sends the generated drawing to a decoration company for scheme and cost estimation;
2) the invention can greatly improve the room measuring efficiency of designers and reduce the error rate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of calibration paper;
FIG. 2 is a schematic flow chart of a measurement method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of assisted recognition of the image recognition technique of the present invention;
fig. 4 is a schematic flow chart of a measurement method according to another embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following detailed description of embodiments and drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
As introduced by the background art, most house type pictures required by decoration in the prior art are manually measured, and switches, corners and the like are required to be measured independently, so that the problems of long time consumption and high error are solved.
The utility model provides a cell-phone APP that house measurement generated user type picture based on take a picture video recording, includes:
the camera calling module is configured to record room images by calling a mobile phone camera;
the gyroscope calling module is configured to record the mobile phone moving direction by calling the mobile phone gyroscope;
the calculation module is configured to calculate the number of pixels according to calibration paper pasted on a wall, and calculate the size of each position of a room according to proportion conversion;
the image recognition module is configured to label the positions of the socket, the switch, the corner, the door and the window according to an image recognition technology;
and the image generation module is configured to generate a 2D plan according to the position sizes of the rooms and the positions of the sockets, the switches, the wall corners, the doors and the windows, splice the 2D plan to obtain a 3D image of a single room, and splice the images of the rooms by calling gyroscope data to generate a 3D house type image.
The calibration paper is a square grid calibration paper with a large color difference with the wall surface.
The square grid calibration paper is preferably black and white grid calibration paper, and the black/white grid size is preferably 4 x 4cm, as shown in fig. 1.
Example 1:
as shown in fig. 2, a method for generating a house layout by performing house measurement based on a photo record, which adopts the above-mentioned mobile phone APP measurement, specifically includes:
step 1) pasting calibration paper on a wall to be measured;
step 2) opening a smart phone measurement APP, calling a mobile phone camera to record a room image, and calling a gyroscope to record the mobile direction of the mobile phone;
step 3) calculating the number of pixels through calibration paper, and calculating the size of each position of a room according to proportion conversion;
step 4) marking the positions of the socket, the switch, the corner, the door and the window by self through an image recognition technology, and generating a 2D plan according to the sizes of the positions of the room and the positions of the socket, the switch, the corner, the door and the window;
and step 5) measuring the rooms one by one, calling gyroscope data through the measurement APP to perform image splicing of the rooms, and generating a 3D house type graph.
The calibration paper is a square grid calibration paper with a large color difference with the wall surface.
The square grid calibration paper is preferably black and white grid calibration paper, and the black/white grid size is preferably 4 x 4cm, as shown in fig. 1.
In the step 4), if the positions of the socket, the switch, the corner, the door and the window cannot be accurately identified through image identification, the positions of the socket, the switch, the door and the window are drawn by using a marking pen, and the corner is marked for assistance, so that the socket, the switch, the corner, the door and the window are identified through image identification and marked, as shown in fig. 3.
Or the mobile phone is close to the socket, the switch, the corner, the door and the window, so that the camera fully captures images to assist in identification.
The house type graph generation by the method of the embodiment 1 is a house type graph with higher precision, and sometimes only the communication with the client can adopt a house type graph with reference meaning only.
Example 2:
as shown in fig. 4, a method for generating a house layout by performing house measurement based on photo-recording, which adopts the above-mentioned mobile phone APP measurement, includes:
step 1) acquiring room data by calling a mobile phone gyroscope and a camera through an AR technology, and calculating the size of each position in a room;
step 2) identifying sockets, switches, corners, doors and windows in a room through an image identification technology, and generating a 2D plan according to the sizes of the positions of the sockets, the switches, the corners, the doors and the windows in the room;
and 3) measuring the rooms one by one, calling gyroscope data through the AR to perform image splicing of the rooms, and generating a 3D house type graph.
In the step 2), if the positions of the socket, the switch, the corner, the door and the window cannot be accurately identified through image identification, the positions of the socket, the switch, the door and the window are drawn by using a marking pen, and the corner is marked for assistance, so that the socket, the switch, the corner, the door and the window are identified through image identification and marked, as shown in fig. 3.
The measurement error of the user-type graph obtained by the method is large, the generated graph only has reference significance, if accurate data is obtained, the user-type graph needs to be further corrected, and the correction process comprises the following steps:
the same plane is scanned for a plurality of times, and the difference value calculation, the image compensation calculation and the frame picture compensation calculation are automatically carried out according to the scanning result, and the error range can be controlled within 5MM through the calculation.
In the measuring process, the distance between the mobile phone camera and the object is shortened, the lens fully captures object details, the spatial position of the object is obtained through the gyroscope and the acceleration sensor, object detail object data are obtained through calculation of AR software, and the whole data are supplemented and optimized according to the object detail data.
In specific implementation, if an accurate 3D house type graph is to be obtained, the step 1 in the method may be replaced by pasting calibration paper on a wall to be measured, calling a mobile phone gyroscope and a camera to collect room data, and performing room size conversion according to the calibration paper through AR software to obtain the sizes of the positions in the room.
If the calibration paper is adopted, the specific calculation of the sizes of all positions in the room is as follows:
for example, the length of the black grid of the calibration paper accounts for 100 pixels, the length of the wall surface of the calibration paper accounts for 10000 pixels, and according to the conversion ratio, if the size of the black grid is 4 multiplied by 4cm, the length of the wall surface is 400 cm. And in addition, compensation calculation is carried out according to lens distortion, image space positions and the like, and then an accurate 3D household diagram is obtained.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (9)
1. The utility model provides a cell-phone APP based on take a picture video carries out house measurement and generates house type picture which characterized in that: the method comprises the following steps:
the camera calling module is configured to record room images by calling a mobile phone camera;
the gyroscope calling module is configured to record the mobile phone moving direction by calling the mobile phone gyroscope;
the calculation module is configured to calculate the number of pixels according to calibration paper pasted on a wall, and calculate the size of each position of a room according to proportion conversion;
the image recognition module is configured to label the positions of the socket, the switch, the corner, the door and the window according to an image recognition technology;
and the image generation module is configured to generate a 2D plan according to the position sizes of the rooms and the positions of the sockets, the switches, the wall corners, the doors and the windows, splice the 2D plan to obtain a 3D image of a single room, and splice the images of the rooms by calling gyroscope data to generate a 3D house type image.
2. The mobile phone APP for house measurement and user-type graph generation based on photo and video recording as claimed in claim 1, wherein the calibration paper is a square calibration paper having a large color difference with a wall surface;
the check calibration paper is black and white check calibration paper, and the black/white check size is 4 multiplied by 4 cm.
3. A method for generating a house layout by performing house measurement based on a camera video, which is characterized in that the method for generating a house layout by performing house measurement based on a camera video according to claim 1 comprises:
step 1) pasting calibration paper on a wall to be measured;
step 2) opening a smart phone measurement APP, calling a mobile phone camera to record a room image, and calling a gyroscope to record the mobile direction of the mobile phone;
step 3) calculating the number of pixels through calibration paper, and calculating the size of each position of a room according to proportion conversion;
step 4) marking the positions of the socket, the switch, the corner, the door and the window by self through an image recognition technology, and generating a 2D plan according to the sizes of the positions of the room and the positions of the socket, the switch, the corner, the door and the window;
and step 5) measuring the rooms one by one, calling gyroscope data through the measurement APP to perform image splicing of the rooms, and generating a 3D house type graph.
4. The method of claim 3, wherein the calibration paper is a square calibration paper having a large color difference with the wall surface;
the check calibration paper is black and white check calibration paper, and the black/white check size is 4 multiplied by 4 cm.
5. The method for generating the house type graph based on the house measurement by the photo-video recording as claimed in claim 3, wherein in the step 4), if the positions of the socket, the switch, the corner, the door and the window cannot be accurately identified by the image identification, the positions of the socket, the switch, the door and the window are drawn by using a marker pen, and the drawing at the corner is assisted, so that the socket, the switch, the corner, the door and the window are identified by the image identification and marked;
or the mobile phone is close to the socket, the switch, the corner, the door and the window, so that the camera fully captures images to assist in identification.
6. A method for generating a house layout by performing house measurement based on a camera video, characterized in that the mobile phone APP measurement for generating a house layout by performing house measurement based on a camera video according to claim 1 is adopted, and the method comprises:
step 1) acquiring room data by calling a mobile phone gyroscope and a camera through an AR technology, and calculating the size of each position in a room;
step 2) identifying sockets, switches, corners, doors and windows in a room through an image identification technology, and generating a 2D plan according to the sizes of the positions of the sockets, the switches, the corners, the doors and the windows in the room;
step 3) measuring each room one by one, calling gyroscope data through the AR to perform image splicing of each room, and generating a 3D house type graph; the distance between the camera of the mobile phone and the object is shortened, so that the camera fully captures object details, the spatial position of the object is obtained through a gyroscope and an acceleration sensor, object detail object data are obtained through calculation of AR software, and the whole data are supplemented and optimized according to the object detail data.
7. The method as claimed in claim 6, wherein in step 2), if the image recognition fails to accurately identify the positions of the socket, the switch, the corner, the door and the window, the marker pen is used to frame the socket, the switch, the door and the window, and the marking at the corner is assisted, so that the image recognition identifies the socket, the switch, the corner, the door and the window and marks the socket, the switch, the corner, the door and the window.
8. The method as claimed in claim 6, wherein the step 1) further comprises scanning the same plane for a plurality of times, and automatically performing the difference calculation, the image compensation calculation and the frame compensation calculation according to the scanning result to reduce the measurement error.
9. The method for generating the house type graph based on the house measurement by the photo and video recording as claimed in claim 6, wherein the step 1 can be replaced by pasting calibration paper on the wall to be measured, and calling a mobile phone gyroscope and a camera to collect the room data to obtain the mobile phone moving direction record and the room image record; and converting the room size according to the calibration paper by AR software to obtain the size of each position in the room.
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| CN110189398A (en) * | 2019-04-12 | 2019-08-30 | 平安城市建设科技(深圳)有限公司 | House type drawing generating method, device, equipment and storage medium based on off-the-air picture |
| CN110686648A (en) * | 2019-09-06 | 2020-01-14 | 平安城市建设科技(深圳)有限公司 | Method, device and equipment for generating house type graph based on image detection and storage medium |
| CN113240768B (en) * | 2019-12-18 | 2022-03-15 | 北京城市网邻信息技术有限公司 | House type graph processing method, system, device and computer readable storage medium |
| CN111210524B (en) * | 2019-12-31 | 2023-10-31 | 上海添玑好房网络服务有限公司 | AR measuring room automatic splicing method |
| CN111197980B (en) * | 2019-12-31 | 2022-03-18 | 上海简家信息技术有限公司 | Intelligent adsorption method for AR measuring room |
| CN111968245B (en) * | 2020-07-07 | 2022-03-01 | 北京城市网邻信息技术有限公司 | Three-dimensional space marking line display method and device, electronic equipment and storage medium |
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