WO2017161850A1 - 全景图像拍摄的光学镜头配件 - Google Patents

全景图像拍摄的光学镜头配件 Download PDF

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Publication number
WO2017161850A1
WO2017161850A1 PCT/CN2016/100743 CN2016100743W WO2017161850A1 WO 2017161850 A1 WO2017161850 A1 WO 2017161850A1 CN 2016100743 W CN2016100743 W CN 2016100743W WO 2017161850 A1 WO2017161850 A1 WO 2017161850A1
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WO
WIPO (PCT)
Prior art keywords
optical lens
optical
framing
fisheye
viewing angle
Prior art date
Application number
PCT/CN2016/100743
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English (en)
French (fr)
Inventor
孔梅
刘哲
Original Assignee
捷开通讯(深圳)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 捷开通讯(深圳)有限公司 filed Critical 捷开通讯(深圳)有限公司
Priority to US15/542,640 priority Critical patent/US10234660B2/en
Publication of WO2017161850A1 publication Critical patent/WO2017161850A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only

Definitions

  • the present invention relates to the field of photographic technology, and in particular to an optical lens accessory for panoramic image capturing.
  • the panorama is one of the wide-angle diagrams.
  • the panorama is represented by wide-angle representations, as well as paintings, photos, videos, 3D models, etc., to show the surrounding environment as much as possible.
  • 360 panorama that is, by capturing the image information of the entire scene for a professional camera or using the image rendered by the modeling software, using the software to perform image stitching and playing with a special player, that is, turning a plane photo or computer modeling image into 360
  • a special imaging device in order to take a full-width image, a special imaging device is often required, and these specialized imaging devices are usually expensive.
  • an integrated shooting device which includes multiple optical lenses, optical image sensors, motion detection sensors, image processing processing units, image storage modules, physical buttons, and output status displays. , a rechargeable battery, and a wired or wireless connection module that communicates with other devices.
  • the price of such products is very high, and ordinary users simply cannot afford it.
  • the technical problem to be solved by the present invention is to provide an optical lens accessory for panoramic image capturing, which can quickly realize the requirement of user panoramic shooting, greatly reduce the user's use cost, and improve the user's actual experience.
  • one technical solution adopted by the present invention is to provide an optical lens accessory for panoramic image capturing, wherein the optical lens accessory is used in combination with a terminal having two front and rear imaging devices, the optical lens Accessories include:
  • the optical device comprises two fisheye lens heads arranged in a back-to-back manner, and their viewing angle directions are respectively back to back, each of the fisheye lens angles being greater than 180 degrees for respectively framing from respective viewing angle directions,
  • the optical device also introduces framing light into the camera device; wherein a center of the fisheye lens is on the same axis as a center of the camera device;
  • Two lenses are respectively disposed in two paths of the finder light entering the optical path of the camera device, and are movable back and forth along the axial direction thereof to adjust the distance between the illuminating device and the camera device for respectively Two of the framing rays are concentrated to cause the two framing rays to enter the camera device;
  • a housing device disposed outside the optical device and not interfering with a viewing angle range of the fisheye lens for supporting the optical device, and separating the framing ray from an external non-framing ray to avoid The non-framing light interferes with the ray path of the framing light;
  • a fixing device for attaching the optical lens assembly to the adapted terminal without interfering with a viewing angle range of the fisheye lens, so that the optical lens assembly is used together with two front and rear camera devices , and then shooting in a wide viewing angle range;
  • the two fisheye lens positions are respectively located at the front and rear positions of the two front and rear camera devices.
  • the centers of the two fisheye lenses are on the same axis as the centers of the two front and rear camera devices.
  • the distance between the two fisheye lens heads is a first distance, and when the optical lens assembly is attached to the adapted terminal, the first distance can make the viewing angle blocked by the terminal itself
  • the area of the coverage area is the smallest.
  • the size of the outer casing device is a first size, and when the optical lens assembly is attached to the adapted terminal, the first size can minimize the area of the viewing angle coverage area blocked by the terminal itself. .
  • an optical lens accessory for panoramic image capturing the optical lens accessory being used in combination with a terminal having two front and rear camera devices
  • the optical lens accessory The utility model comprises: an optical device comprising two fisheye lens, which are arranged in a back-to-back manner, and the viewing angle directions thereof are respectively back to back, and each of the fisheye lens angles is greater than 180 degrees for respectively framing from respective viewing angle directions.
  • the optical device also introduces framing light into the camera device; a housing device disposed outside the optical device and not interfering with a viewing angle range of the fisheye lens for supporting the optical device, and Separating the framing ray from the external non-framing ray to prevent the non-framing ray from interfering with the ray path of the framing ray; fixing means for attaching the optical lens accessory to the adapted terminal, and Do not interfere with the viewing angle range of the fisheye lens, so that the optical lens assembly cooperates with the two front and rear camera devices And then capturing large range of viewing angles; imaging means when the two parts of the optical lens forward and backward with the use of the two fisheye lens are located at front and rear positions of the two image pickup devices back and forth.
  • the optical device further includes: two lenses respectively disposed in the optical path of the two framing rays entering the imaging device, and being movable back and forth along the axial direction thereof to adjust the imaging device The distance between the two framing rays is respectively concentrated to make the two framing rays enter the camera device.
  • the center of the fisheye lens is on the same axis as the center of the camera device.
  • the centers of the two fisheye lenses are on the same axis as the centers of the two front and rear camera devices.
  • the distance between the two fisheye lens heads is a first distance, and when the optical lens assembly is attached to the adapted terminal, the first distance can make the viewing angle blocked by the terminal itself
  • the area of the coverage area is the smallest.
  • the size of the outer casing device is a first size, and when the optical lens assembly is attached to the adapted terminal, the first size can minimize the area of the viewing angle coverage area blocked by the terminal itself. .
  • the optical lens accessory of the present invention is used in combination with a terminal having two front and rear camera devices, including: an optical device including two fisheye lenses in a back-to-back manner. Provided, and their viewing angle directions are respectively back to back, each of the fisheye lens angles of view is greater than 180 degrees for respectively framing from respective viewing angle directions, and the optical device also introduces framing light into the image capturing device; Provided on the outside of the optical device and not interfering with the viewing angle range of the fisheye lens for supporting the optical device, and separating the framing ray from the external non-framing ray to avoid the non-framing Sighting light interferes with a ray path of the framing ray; fixing means for attaching the optical lens attachment to the adapted terminal without interfering with a viewing angle range of the fisheye lens to facilitate the optical lens
  • the accessory is used in conjunction with the two front and rear camera units to perform shooting in a wide viewing angle range.
  • the optical lens accessory is used in conjunction with a terminal having two camera devices, the optical lens accessory includes a fisheye lens capable of framing the viewing angle range of more than 180 degrees and introducing the framing light into the camera device. In this way, the user with the camera device can quickly realize the requirement of the user to perform panoramic shooting, thereby greatly reducing the user's use cost and improving the user's actual experience.
  • FIG. 1 is a schematic view showing a system architecture of an optical lens accessory of the present invention and a terminal with an image pickup device;
  • FIG. 2 is a schematic structural view of an embodiment of an optical lens accessory for panoramic image capturing according to the present invention
  • Figure 3 is a schematic illustration of an image produced on an optical image sensor in the system of Figure 2.
  • the present invention is based on the fact that many conventional mobile terminals, such as smartphones and tablets, already contain a large number of components and modules on a device for capturing wide-angle images or panoramic images.
  • the present invention is primarily to multiplex existing devices and modules of these mobile terminals, but to add some missing components: an optical lens assembly capable of projecting a wide-angle image or a panoramic image onto a camera device on the terminal.
  • FIG. 1 is a system architecture diagram of an optical lens accessory of the present invention and a terminal with an image pickup device.
  • the system includes an optical lens attachment 100 and a terminal 200 with two camera devices 21 (21a and 21b).
  • the optical lens attachment 100 includes two fisheye lenses, mainly framing with a viewing angle range of more than 180 degrees, and introducing the framing rays into the image pickup device 21 of the terminal 200.
  • the optical lens attachment 100 mainly includes an optical device 1, a housing device 2, and a fixing device 3.
  • the optical device 1 includes two fisheye lenses for framing the viewing angle range of more than 180 degrees and introducing the framing light into the imaging device 21;
  • the housing device 2 is disposed outside the optical device 1 without interfering with the viewing angle range of the wide-angle lens
  • the fixing device 3 is for attaching the optical lens accessory 100 to the adapted terminal 200 Up, and does not interfere with the viewing angle range of the wide-angle lens, so that the optical lens accessory 100 can be used in conjunction with the imaging device 21 to perform shooting in a wide viewing angle range.
  • the image capturing device 21 of the terminal 200 is mainly capable of capturing image content in a wide-angle view, wherein the camera device 21 mainly includes an optical capturing module 211, an optical adaptation, and an image processing module 212.
  • An optical capture module 211 which is part of the terminal 200, typically involves a camera (including: an imaging lens and an optical image sensor) for processing and recording images at a wide angle of view.
  • the terminal's display can present these images; sensors (such as accelerometers and gyroscopes) can also be used to calibrate some of the image jitter during the shot.
  • the optical adaptation and image processing module 212 is mounted on the imaging device of the terminal 200, and then starts shooting, and the imaging device of the terminal 200 can pass through the optical image sensor to generate the optical lens assembly 100.
  • the image is perceived, and then the image is stitched, stitched, and post-processed by algorithm software.
  • optical lens assembly will be described in detail below.
  • the present invention provides an optical lens accessory for panoramic image capturing, which is used in conjunction with a terminal 200 with two front and rear camera devices 21, and the existing terminal with two front and rear camera devices includes Smartphones, tablets, and more.
  • the optical lens attachment 100 includes an optical device, a housing device, and a fixing device.
  • the optical device comprises two fisheye lenses 12 (12a and 12b), the two fisheye lenses 12 are arranged in a back-to-back manner, and their viewing directions are respectively back to back, and each fisheye lens 12 has a viewing angle greater than 180 degrees for respectively
  • the respective viewing angle directions (the arc A1A2 between the points A1 and A2 in Fig. 2) are framing, and the optical device also introduces the framing rays 110 (110a and 110b) into the image pickup devices 21 (21a and 21b).
  • the fisheye lens 12 may also include some additional optical lenses for better optical path transmission, for example, the framing light 110 from the fisheye lens 12 can well enter the fisheye lens 12 with the outside. The light is parallel. Thus, the framing light 110 can be easily entered into the image pickup device 21 at a later time.
  • the housing device is disposed outside the optical device and does not interfere with the viewing angle range of the fisheye lens, is used to support the optical device, and separates the framing ray from the external non-framing ray to prevent the non-framing ray from interfering with the ray path of the framing ray;
  • a fixing device for attaching the optical lens accessory to the adapted terminal without disturbing the viewing angle range of the fisheye lens, so that the optical lens accessory can be used together with the front and rear two camera devices to perform shooting with a large viewing angle range;
  • the two fisheye lens positions are located at the front and rear positions of the front and rear camera units.
  • the housing of the optical lens attachment 100 must satisfy a design principle that the viewing angle range of the wide-angle lens 11 cannot be passed, and can only be outside the viewing angle of the wide-angle lens 11. For the same reason, fixtures must also meet this design principle.
  • optical lens attachment 100 can be designed in an asymmetrical shape so as to well accommodate the shape inherent to the compatible terminal.
  • the details of how the fixing device mounts the optical lens assembly 100 to the terminal are not specifically limited herein, and the specific requirements for the installation are: after the installation, the optical lens assembly 100 can be well ensured.
  • the camera unit 21 of the terminal 200 fits nicely and tightly, and produces a very small center position shift (ideally, no center position shift is generated). Therefore, if the terminal 200 (for example, designed as a bump) and the optical lens accessory (for example, designed as a recess) have a structural fit design, the mounting can be more facilitated, so that the optical lens accessory 100 can be attached more quickly, Position and remove.
  • the optical lens accessory of the present invention is used in combination with a terminal with two front and rear camera devices, including: an optical device comprising two fisheye lens, which are arranged in a back-to-back manner, and their viewing directions are respectively back to back, each of the fisheye lens The viewing angle is greater than 180 degrees for framing from the respective viewing angle directions, and the optical device also introduces the framing light into the image capturing device; the outer casing device is disposed outside the optical device and does not interfere with the viewing angle range of the fisheye lens for supporting An optical device that separates the framing ray from the external non-framing ray to prevent the non-framing ray from interfering with the ray path of the framing ray; the fixing device for attaching the optical lens accessory to the adapted terminal without disturbing the fisheye The range of angles of view of the lens, so that the optical lens accessory can be used with the front and rear two camera units to shoot in a wide viewing angle range.
  • the optical lens accessory is used in conjunction with a terminal having two camera devices, the optical lens accessory includes a fisheye lens capable of framing the viewing angle range of more than 180 degrees and introducing the framing light into the camera device. In this way, the user with the camera device can quickly realize the requirement of the user to perform panoramic shooting, thereby greatly reducing the user's use cost and improving the user's actual experience.
  • the optical device 21 may also provide an optical lens on the light path entering the imaging device 21 before entering the imaging device 21.
  • the optical device further includes two lenses 14 (14a and 14b).
  • the two lenses 14 are respectively disposed in the optical paths of the two framing rays 110 (110a and 110b) into the imaging device 21 (21a and 21b), and are movable back and forth along the axial direction thereof to adjust the imaging device 21 (21a).
  • the distance between 21 and B) is used to respectively converge the two framing rays 110 so that the two finder rays 110 all enter the imaging device 21 (21a and 21b).
  • the center of the fisheye lens 12 is on the same axis as the center of the imaging device 21. That is, the center of the fisheye lens 12a is on the same axis as the center of the front (or rear) image pickup device 21, and the center of the fisheye lens 12b is on the same axis as the center of the rear (or front) image pickup device 21.
  • the centers of the current rear camera devices 21 (21a and 21b) are not on the same axis, the center of the fisheye lens 12a and the center of the fisheye lens 12b are not on the same axis.
  • the centers of the two fisheye lenses 12 (12a and 12b) are on the same axis as the centers of the front and rear two camera devices 21 (21a and 21b) ( That is, the situation shown in Fig. 2), in this way, the optical lens accessory design can be made more compact.
  • the distance between the two fisheye lenses 12 is the first distance, and when the optical lens attachment 100 is attached to the adapted terminal 200, the first distance can minimize the area of the viewing angle coverage area blocked by the terminal 200 itself.
  • the size of the outer casing device is the first size, and when the optical lens attachment 100 is attached to the adapted terminal 200, the first size can minimize the area of the viewing angle coverage area blocked by the terminal 200 itself.
  • the above requirement is because: considering the size of the recordable terminal 200 itself and the position of the camera device 21, while referring to the viewing angle of the fisheye lens 12 or the like itself, the outer casing of the optical lens attachment 100 and the two fisheye lenses 12 The distance between the two needs to meet another design principle: to minimize the area of the coverage area that is obscured by the terminal itself.
  • FIG. 2 takes FIG. 2 as an example to illustrate the change process of the optical path.
  • the framing rays 110a and 110b from the fisheye lens 12 (12a and 12b) are well parallel to the rays 140a and 140b which are externally introduced into the fisheye lens 12. These framing rays 110a and 110b containing image information are then emitted through the lenses 14a and 14b, respectively, and the light beams are projected onto the optical image through the imaging lenses 2111 (2111a and 2111b) of the image pickup devices 21 (21a and 21b) on the terminal 200. Sensor 2112 (2112a and 2112b).
  • the two imaging devices 21 (21a and 21b) of the photographing terminal 200 each generate a frame including front and rear images 103a and 103b, respectively corresponding to images of two hemispheres, and each hemisphere corresponds to two fishes.
  • the angle of view image perceived by the lens head 12 is stitched into a spherical panoramic image format.
  • the user can also adjust the position and distance between the lens 14 on the optical lens attachment 100 and the imaging lens 2111 of the imaging device 21 of the terminal 200, so that the output picture magnification on the optical image sensor 2112 of the imaging device 21 can be effectively controlled.
  • the photographable terminal 200 includes motion sensing sensors such as a gyroscope and an acceleration sensor, the data collected by these sensors can effectively correct the jitter caused during the shooting.
  • motion sensing sensors such as a gyroscope and an acceleration sensor
  • optical lens accessory of the present invention has the following advantages:
  • the solution of the present invention is universal, and more application scenarios can be adapted by changing the structure of the outer casing and the number and position of the optical fisheye lens.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Studio Devices (AREA)
  • Cameras In General (AREA)
  • Accessories Of Cameras (AREA)

Abstract

本发明公开了一种全景图像拍摄的光学镜头配件，其与两个摄像装置的终端配合使用，包括：光学装置，包括两个鱼眼镜头，其以背对背的方式设置，视角方向背对背，鱼眼镜头视角大于180度，分别从各自的视角方向取景，还将取景光线引入摄像装置；外壳装置，设置在光学装置外部，不干扰鱼眼镜头的视角范围，支持光学装置，将取景光线与外部的非取景光线进行分离；固定装置，用于将光学镜头配件附着在适配的终端上，不干扰鱼眼镜头的视角范围。通过上述方式，本发明能够快捷地实现用户全景拍摄的需求，大大降低用户的使用成本，并提高用户的实际体验。

Description

全景图像拍摄的光学镜头配件
【技术领域】
本发明涉及摄影技术领域，特别是涉及一种全景图像拍摄的光学镜头配件。
【背景技术】
全景图是广角图中的一种，全景图是通过广角的表现手段以及绘画、相片、视频、三维模型等形式，尽可能多表现出周围的环境。360全景，即通过对专业相机捕捉整个场景的图像信息或者使用建模软件渲染过后的图片，使用软件进行图片拼合，并用专门的播放器进行播放，即将平面照片或者计算机建模图片变为360 度全观，用于虚拟现实浏览，把二维的平面图模拟成真实的三维空间，呈现给观赏者。
现有技术中，为了拍摄全角图，往往需要专门的摄像设备，而这些专门的摄像设备通常比较昂贵。例如：在拍摄球形全景图时主要是采用一体化的拍摄设备，它包含多个光学镜头、光学图像传感器、动作侦测传感器、图像处理处理单元、图像存储模块、物理按键、输出状态的显示屏、可充电的电池以及与其他设备通信的有线或无线连接模块。这类产品的价格非常高昂，普通用户根本无法承受。
【发明内容】
本发明主要解决的技术问题是提供一种全景图像拍摄的光学镜头配件，能够快捷地实现用户全景拍摄的需求，大大降低用户的使用成本，并提高用户的实际体验。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种全景图像拍摄的光学镜头配件，其中，所述光学镜头配件与带有前后两个摄像装置的终端配合使用，所述光学镜头配件包括：
光学装置，包括两个鱼眼镜头，其以背对背的方式设置，且其视角方向分别背对背，每个所述鱼眼镜头的视角大于180度，用于分别从各自的视角方向进行取景，所述光学装置还将取景光线引入所述摄像装置中；其中，所述鱼眼镜头的中心与所述摄像装置的中心在同一轴线上；
两个镜头，分别设置在两路所述取景光线进入到所述摄像装置的光学路径中，且可沿其轴线方向前后移动，以调整其与所述摄像装置之间的距离，用于分别将两路所述取景光线进行会聚，以使得两路所述取景光线全部进入所述摄像装置中；
外壳装置，设置在所述光学装置的外部，且不干扰所述鱼眼镜头的视角范围，用于支持所述光学装置，且将所述取景光线与外部的非取景光线进行分离，以避免所述非取景光线干扰所述取景光线的光线路径；
固定装置，用于将所述光学镜头配件附着在适配的所述终端上，且不干扰所述鱼眼镜头的视角范围，以便于所述光学镜头配件与前后两个所述摄像装置配合使用，进而进行大视角范围的拍摄；
当所述光学镜头配件与前后两个所述摄像装置配合使用时，两个所述鱼眼镜头分别位于在前后两个所述摄像装置的前后位置。
其中，两个所述鱼眼镜头的中心与前后两个所述摄像装置的中心在同一轴线上。
其中，两个所述鱼眼镜头之间的距离为第一距离，当所述光学镜头配件附着在适配的所述终端上时，所述第一距离能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
其中，所述外壳装置的尺寸为第一尺寸，当所述光学镜头配件附着在适配的所述终端上时，所述第一尺寸能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种全景图像拍摄的光学镜头配件，所述光学镜头配件与带有前后两个摄像装置的终端配合使用，所述光学镜头配件包括：光学装置，包括两个鱼眼镜头，其以背对背的方式设置，且其视角方向分别背对背，每个所述鱼眼镜头的视角大于180度，用于分别从各自的视角方向进行取景，所述光学装置还将取景光线引入所述摄像装置中；外壳装置，设置在所述光学装置的外部，且不干扰所述鱼眼镜头的视角范围，用于支持所述光学装置，且将所述取景光线与外部的非取景光线进行分离，以避免所述非取景光线干扰所述取景光线的光线路径；固定装置，用于将所述光学镜头配件附着在适配的所述终端上，且不干扰所述鱼眼镜头的视角范围，以便于所述光学镜头配件与前后两个所述摄像装置配合使用，进而进行大视角范围的拍摄；当所述光学镜头配件与前后两个所述摄像装置配合使用时，两个所述鱼眼镜头分别位于在前后两个所述摄像装置的前后位置。
其中，所述光学装置还包括：两个镜头，分别设置在两路所述取景光线进入到所述摄像装置的光学路径中，且可沿其轴线方向前后移动，以调整其与所述摄像装置之间的距离，用于分别将两路所述取景光线进行会聚，以使得两路所述取景光线全部进入所述摄像装置中。
其中，所述鱼眼镜头的中心与所述摄像装置的中心在同一轴线上。
其中，两个所述鱼眼镜头的中心与前后两个所述摄像装置的中心在同一轴线上。
其中，两个所述鱼眼镜头之间的距离为第一距离，当所述光学镜头配件附着在适配的所述终端上时，所述第一距离能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
其中，所述外壳装置的尺寸为第一尺寸，当所述光学镜头配件附着在适配的所述终端上时，所述第一尺寸能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
本发明的有益效果是：区别于现有技术的情况，本发明光学镜头配件与带有前后两个摄像装置的终端配合使用，包括：光学装置，包括两个鱼眼镜头，其以背对背的方式设置，且其视角方向分别背对背，每个所述鱼眼镜头的视角大于180度，用于分别从各自的视角方向进行取景，所述光学装置还将取景光线引入所述摄像装置中；外壳装置，设置在所述光学装置的外部，且不干扰所述鱼眼镜头的视角范围，用于支持所述光学装置，且将所述取景光线与外部的非取景光线进行分离，以避免所述非取景光线干扰所述取景光线的光线路径；固定装置，用于将所述光学镜头配件附着在适配的所述终端上，且不干扰所述鱼眼镜头的视角范围，以便于所述光学镜头配件与前后两个所述摄像装置配合使用，进而进行大视角范围的拍摄。由于光学镜头配件与带有两个摄像装置的终端配合使用，光学镜头配件包括一个鱼眼镜头，该鱼眼镜头能够以大于180度的视角范围进行取景，并将取景光线引入摄像装置中，通过这种方式，能够通过带有摄像装置的终端快捷地实现用户进行全景拍摄的需求，大大降低用户的使用成本，提高用户的实际体验。
【附图说明】
图1是 本发明光学镜头配件与带有摄像装置的终端所组成的***架构示意图；
图2是 本发明全景图像拍摄的光学镜头配件一实施方式的结构示意图；
图3是 图2的***中光学图像传感器上产生的图像示意图。
【具体实施方式】
下面结合附图和实施方式对本发明进行详细说明。
本发明基于一个现有事实：许许多多普通的移动终端，例如智能手机和平板电脑都已经包含一个用于拍摄广景图像或全景图像的设备上绝大部分的元器件以及模块。本发明主要是复用这些移动终端的现有器件和模块，只是添加一些缺少的组件：一个能够投影广景图像或全景图像到终端上的摄像装置的光学镜头配件。
参阅图1，图1是本发明光学镜头配件与带有摄像装置的终端所组成的***架构图。该***包括：光学镜头配件100和带有两个摄像装置21（21a和21b）的终端200。
光学镜头配件100包括两个鱼眼镜头，主要是以大于180度的视角范围进行取景，并将取景光线引入终端200的摄像装置21中。光学镜头配件100主要包括：光学装置1、外壳装置2以及固定装置3。
光学装置1包括两个鱼眼镜头，用于以大于180度的视角范围进行取景，并将取景光线引入摄像装置21中；外壳装置2设置在光学装置1的外部，且不干扰广角镜头的视角范围，用于支持光学装置1，且将取景光线与外部的非取景光线进行分离，以避免非取景光线干扰取景光线的光线路径；固定装置3用于将光学镜头配件100附着在适配的终端200上，且不干扰广角镜头的视角范围，以便于光学镜头配件100与摄像装置21配合使用，进而进行大视角范围的拍摄。
终端200的摄像装置21的主要是能够以广角视角捕捉图像内容，其中，摄像装置21主要包括：光学捕获模块211、光学适配和图像处理模块212。
光学捕获模块211，它属于终端200的一部分，通常涉及到摄像头（包括：摄像镜头和光学图像传感器），用以处理和记录广角视角的图像。终端的显示屏可以呈现这些图像；也可以使用传感器（例如：加速度计和陀螺仪）来校准拍摄过程中的一些图像抖动。
光学适配和图像处理模块212，如前面描述，光学镜头配件100是安装在终端200的摄像装置上，然后开始拍摄，终端200的摄像装置能通过光学图像传感器，以生成在光学镜头配件100所感知的图像，然后通过算法软件实现图像的拼接、缝合以及后期处理等。
下面详细说明该光学镜头配件。
参阅图2，本发明提供一种全景图像拍摄的光学镜头配件，该光学镜头配件100与带有前后两个摄像装置21的终端200配合使用，现有的带有前后两个摄像装置的终端包括智能手机、平板电脑等等。
该光学镜头配件100包括：光学装置、外壳装置以及固定装置。
光学装置包括两个鱼眼镜头12（12a和12b），两个鱼眼镜头12以背对背的方式设置，且其视角方向分别背对背，每个鱼眼镜头12的视角大于180度，用于分别从各自的视角方向（图2中点A1至点A2之间的圆弧A1A2）进行取景，光学装置还将取景光线110（110a和110b）引入摄像装置21（21a和21b）中。
当然，鱼眼镜头12也可以包含一些额外的光学镜头，以便更好地进行光学路径的传递，例如：从鱼眼镜头12出来的取景光线110能很好地与外部进到鱼眼镜头12的光线做到平行。这样，在后续可以很容易地将取景光线110进入到摄像装置21中。
外壳装置设置在光学装置的外部，且不干扰鱼眼镜头的视角范围，用于支持光学装置，且将取景光线与外部的非取景光线进行分离，以避免非取景光线干扰取景光线的光线路径；
固定装置，用于将光学镜头配件附着在适配的终端上，且不干扰鱼眼镜头的视角范围，以便于光学镜头配件与前后两个摄像装置配合使用，进而进行大视角范围的拍摄；
当光学镜头配件与前后两个摄像装置配合使用时，两个鱼眼镜头分别位于在前后两个摄像装置的前后位置。
为了最大限度地提高视角图像的通畅率，光学镜头附件100的外壳装置必须满足一个设计原则：不能穿过广角镜头11的视角范围，只能在广角镜头11视角范围之外。同样的道理，固定装置也要满足该设计原则。
另外，光学镜头配件100可以设计成不对称的形状，从而能很好地容纳兼容终端固有的形状。
需要说明的是，对于固定装置如何将光学镜头配件100安装到终端上的细节，在此并不做具体的限定，其安装的具体要求是：安装后，能很好地保证光学镜头配件100与终端200的摄像装置21很好地、紧密地配合，且产生极小的中心位置偏移（理想情况是，不要产生中心位置偏移）。因此，如果终端200（例如，设计为凸起）和光学镜头配件（例如，设计为凹陷）有结构上的配合设计，可以更加有助于安装，从而可以方便光学镜头配件100更快地附着、定位和取下。
本发明光学镜头配件与带有前后两个摄像装置的终端配合使用，包括：光学装置，包括两个鱼眼镜头，其以背对背的方式设置，且其视角方向分别背对背，每个鱼眼镜头的视角大于180度，用于分别从各自的视角方向进行取景，光学装置还将取景光线引入摄像装置中；外壳装置，设置在光学装置的外部，且不干扰鱼眼镜头的视角范围，用于支持光学装置，且将取景光线与外部的非取景光线进行分离，以避免非取景光线干扰取景光线的光线路径；固定装置，用于将光学镜头配件附着在适配的终端上，且不干扰鱼眼镜头的视角范围，以便于光学镜头配件与前后两个摄像装置配合使用，进而进行大视角范围的拍摄。由于光学镜头配件与带有两个摄像装置的终端配合使用，光学镜头配件包括一个鱼眼镜头，该鱼眼镜头能够以大于180度的视角范围进行取景，并将取景光线引入摄像装置中，通过这种方式，能够通过带有摄像装置的终端快捷地实现用户进行全景拍摄的需求，大大降低用户的使用成本，提高用户的实际体验。
进一步地，为了使进入摄像装置21的光线能够以一种球形视角被聚焦到一个图片上，在进入摄像装置21前，光学装置21还可以在进入摄像装置21的光线路径上设置光学镜头。
参见图2，光学装置还包括：两个镜头14（14a和14b）。两个镜头14分别设置在两路取景光线110（110a和110b）进入到摄像装置21（21a和21b）的光学路径中，且可沿其轴线方向前后移动，以调整其与摄像装置21（21a和21b）之间的距离，用于分别将两路取景光线110进行会聚，以使得两路取景光线110全部进入摄像装置21（21a和21b）中。
其中，鱼眼镜头12的中心与摄像装置21的中心在同一轴线上。即鱼眼镜头12a的中心与前（或后）摄像装置21的中心在同一轴线上，鱼眼镜头12b的中心与后（或前）摄像装置21的中心在同一轴线上。
当前后摄像装置21（21a和21b）的中心不在同一轴线上时，鱼眼镜头12a的中心和鱼眼镜头12b的中心也不在同一轴线上。当前后摄像装置21（21a和21b）的中心在同一轴线上时，两个鱼眼镜头12（12a和12b）的中心与前后两个摄像装置21（21a和21b）的中心在同一轴线上（即图2所示的情形），通过这种方式，可以让光学镜头配件设计的更为紧凑。
因此，两个鱼眼镜头12之间的距离为第一距离，当光学镜头配件100附着在适配的终端200上时，第一距离能够使得终端200本身所遮挡的视角覆盖区域的面积最小。外壳装置的尺寸为第一尺寸，当光学镜头配件100附着在适配的终端200上时，第一尺寸能够使得终端200本身所遮挡的视角覆盖区域的面积最小。
上述要求是因为：考虑到可拍摄的终端200本身的大小以及摄像装置21所在的位置，同时参考鱼眼镜头12等本身的可视角度，光学镜头附件100的外壳以及两个鱼眼镜头12之间的距离需要满足另一个设计原则：尽可能减少由于终端本身所遮挡的视角覆盖区域的面积。
下面以图2为例，说明一下光学路径的变化过程。
参见图2，从鱼眼镜头12（12a和12b）出来的取景光线110a和110b很好地与外部进到鱼眼镜头12的光线140a和140b做到平行。然后这些包含图像信息的取景光线110a和110b分别通过镜头14a和14b发射出，透过终端200上摄像装置21（21a和21b）的摄像镜头2111（2111a和2111b），将这些光束投射到光学图像传感器2112（2112a和2112b）上。
如图3所示，拍摄终端200的两个摄像装置21（21a和21b）各生成一帧包含前后置图像103a和103b，分别对应2个半球的图像，而每个半球刚好对应到两个鱼眼镜头12感知的视角图像，这些帧被缝合拼接成球形全景图像格式。
当然用户也可以调整光学镜头配件100上镜头14和终端200摄像装置21的摄像镜头2111之间的位置和距离，从而可以有效地控制在摄像装置21的光学图像传感器2112上的输出图片倍率。
如果该可拍照的终端200包含如陀螺仪和加速度传感器这类的动作感知传感器，这些传感器采集到的数据，可以有效地矫正拍摄过程中导致的抖动。
总之，本发明的光学镜头配件具有如下优点：
（1）与现有技术的解决方案相比，最大的好处就是简化产品电路和元器件设计，取而代之的是一个简单的、由光学和结构模组组成的适配器，成本非常低廉，从而用户可以以更低成本、更便捷地方式去拍摄广角图像、球形全景图像。
（2）本发明的方案具有普适性，通过变更外壳结构和光学鱼眼镜头的数量和位置，可以适配更多应用场景。
（3）本发明的应用领域非常广泛，具有良好的市场前景。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种全景图像拍摄的光学镜头配件，其中，所述光学镜头配件与带有前后两个摄像装置的终端配合使用，所述光学镜头配件包括：
    光学装置，包括两个鱼眼镜头，其以背对背的方式设置，且其视角方向分别背对背，每个所述鱼眼镜头的视角大于180度，用于分别从各自的视角方向进行取景，所述光学装置还将取景光线引入所述摄像装置中；其中，所述鱼眼镜头的中心与所述摄像装置的中心在同一轴线上；
    两个镜头，分别设置在两路所述取景光线进入到所述摄像装置的光学路径中，且可沿其轴线方向前后移动，以调整其与所述摄像装置之间的距离，用于分别将两路所述取景光线进行会聚，以使得两路所述取景光线全部进入所述摄像装置中；
    外壳装置，设置在所述光学装置的外部，且不干扰所述鱼眼镜头的视角范围，用于支持所述光学装置，且将所述取景光线与外部的非取景光线进行分离，以避免所述非取景光线干扰所述取景光线的光线路径；
    固定装置，用于将所述光学镜头配件附着在适配的所述终端上，且不干扰所述鱼眼镜头的视角范围，以便于所述光学镜头配件与前后两个所述摄像装置配合使用，进而进行大视角范围的拍摄；
    当所述光学镜头配件与前后两个所述摄像装置配合使用时，两个所述鱼眼镜头分别位于在前后两个所述摄像装置的前后位置。
  2. 根据权利要求1所述的光学镜头配件，其中，两个所述鱼眼镜头的中心与前后两个所述摄像装置的中心在同一轴线上。
  3. 根据权利要求1所述的光学镜头配件，其中，两个所述鱼眼镜头之间的距离为第一距离，当所述光学镜头配件附着在适配的所述终端上时，所述第一距离能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
  4. 根据权利要求1所述的光学镜头配件，其中，所述外壳装置的尺寸为第一尺寸，当所述光学镜头配件附着在适配的所述终端上时，所述第一尺寸能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
  5. 一种全景图像拍摄的光学镜头配件，其中，所述光学镜头配件与带有前后两个摄像装置的终端配合使用，所述光学镜头配件包括：
    光学装置，包括两个鱼眼镜头，其以背对背的方式设置，且其视角方向分别背对背，每个所述鱼眼镜头的视角大于180度，用于分别从各自的视角方向进行取景，所述光学装置还将取景光线引入所述摄像装置中；
    外壳装置，设置在所述光学装置的外部，且不干扰所述鱼眼镜头的视角范围，用于支持所述光学装置，且将所述取景光线与外部的非取景光线进行分离，以避免所述非取景光线干扰所述取景光线的光线路径；
    固定装置，用于将所述光学镜头配件附着在适配的所述终端上，且不干扰所述鱼眼镜头的视角范围，以便于所述光学镜头配件与前后两个所述摄像装置配合使用，进而进行大视角范围的拍摄；
    当所述光学镜头配件与前后两个所述摄像装置配合使用时，两个所述鱼眼镜头分别位于在前后两个所述摄像装置的前后位置。
  6. 根据权利要求5所述的光学镜头配件，其中，所述光学装置还包括：
    两个镜头，分别设置在两路所述取景光线进入到所述摄像装置的光学路径中，且可沿其轴线方向前后移动，以调整其与所述摄像装置之间的距离，用于分别将两路所述取景光线进行会聚，以使得两路所述取景光线全部进入所述摄像装置中。
  7. 根据权利要求5所述的光学镜头配件，其中，所述鱼眼镜头的中心与所述摄像装置的中心在同一轴线上。
  8. 根据权利要求7所述的光学镜头配件，其中，两个所述鱼眼镜头的中心与前后两个所述摄像装置的中心在同一轴线上。
  9. 根据权利要求5所述的光学镜头配件，其中，两个所述鱼眼镜头之间的距离为第一距离，当所述光学镜头配件附着在适配的所述终端上时，所述第一距离能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
  10. 根据权利要求5所述的光学镜头配件，其中，所述外壳装置的尺寸为第一尺寸，当所述光学镜头配件附着在适配的所述终端上时，所述第一尺寸能够使得所述终端本身所遮挡的视角覆盖区域的面积最小。
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