WO2010078751A1 - 一种立体摄像装置及方法 - Google Patents
一种立体摄像装置及方法 Download PDFInfo
- Publication number
- WO2010078751A1 WO2010078751A1 PCT/CN2009/073091 CN2009073091W WO2010078751A1 WO 2010078751 A1 WO2010078751 A1 WO 2010078751A1 CN 2009073091 W CN2009073091 W CN 2009073091W WO 2010078751 A1 WO2010078751 A1 WO 2010078751A1
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- WIPO (PCT)
- Prior art keywords
- image
- mirror
- optical imaging
- image sensor
- imaging lens
- Prior art date
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/08—Stereoscopic photography by simultaneous recording
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/08—Stereoscopic photography by simultaneous recording
- G03B35/10—Stereoscopic photography by simultaneous recording having single camera with stereoscopic-base-defining system
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/35—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using reflective optical elements in the optical path between the images and the observer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/207—Image signal generators using stereoscopic image cameras using a single 2D image sensor
- H04N13/218—Image signal generators using stereoscopic image cameras using a single 2D image sensor using spatial multiplexing
Definitions
- the present invention relates to the field of stereoscopic image capturing and processing, and more particularly to a stereoscopic imaging device and a stereoscopic imaging method for stereoscopic image capturing.
- Stereo camera technology and stereo camera products can be applied to mobile phones, camcorders, MP4, glasses-type display devices, analog reality devices and remote-controlled robots. They can play a huge role in civil, military, scientific research, games and other fields.
- the left and right images show significant visual differences, and the stereoscopic coincidence of the image may cause visual dizziness and blurred images. 4.
- the dual image sensor is imaged, it is difficult to ensure that the two images are synchronized with each other, and the left and right eye images appear to have a gap between the two, so that when the stereoscopic image or photo is synthesized, two unsynchronized images appear, resulting in poor stereoscopic effect. Even lose the stereo effect and become a ghost. Therefore, there is a need for a stereo camera device and a stereo camera method, which use a precision optical imaging structure to ensure uniformity on the optical path, and use the same image sensor to accept two images, thereby ensuring complete electrical image performance and good synchronization. performance.
- the technical problem to be solved by the present invention is that the difference in consistency between the image imaging blur and the dual image sensor in the prior art, and the poor synchronization performance result in image brightness, contrast, chromaticity, gray scale, synchronization Incorporating inconsistencies and defects, a stereo camera device and a stereo camera method are provided.
- the technical solution adopted by the present invention to solve the technical problem thereof is: constructing a stereo camera device, comprising: [6] a first optical imaging lens group and a second optical imaging lens group for receiving external light with a simulated human eye;
- a first planar mirror, a second planar mirror, and a third mirror the first planar mirror and the second planar mirror being used to correspond to the first optical imaging lens group and the second optical imaging lens group
- the light is reflected once, and the third mirror is located in the middle of the first plane mirror and the second plane mirror to re-reflect the light from the first reflection;
- An image processing circuit that receives an image signal from the image sensor and processes it to form a stereoscopic image signal.
- the lateral distance between the first optical imaging lens group and the second optical imaging lens group ranges from 40 to 100 mm.
- the third mirror is a mirror arranged on both sides at a certain angle.
- the single image sensor is a CCD/CMOS image sensor.
- the image processing circuit further includes an image data acquisition circuit, a left frame buffer, a right frame buffer, and an image format processing circuit;
- the image data acquisition circuit is configured to acquire image signal data from the image sensor and separate into two image data
- the left frame buffer and the right frame buffer are respectively used to store two image data separated by the image data acquiring circuit
- the image format processing circuit is configured to merge two image data from the left frame buffer and the right frame buffer to form stereoscopic image data.
- a stereoscopic imaging method which specifically comprises the following steps: [18] S1. Mounting two optical imaging lens groups side by side to simulate the human eye receiving external light;
- the lateral distance between the two optical imaging lens groups in the step S1 is 40 to 100 mm.
- the third mirror is a mirror arranged on both sides at a certain angle.
- the single image sensor is a CCD/CMOS image sensor.
- the step S4 further includes:
- a stereo camera device and method provided by the present invention By implementing a stereo camera device and method provided by the present invention, by using a single image sensor, a complete image frame with no delay in left and right images can be obtained, and the image displayed by the present invention has no left or right compared with the prior art.
- the advantages of delay that is, good synchronization performance
- large changes in picture video format, and high quality of the picture are solved, thereby solving the problem of image blurring in the prior art, and ensuring electrical performance and synchronization consistency of image imaging.
- FIG. 1 is a structural diagram of a stereo camera device according to a preferred embodiment of the present invention, wherein the stereo camera device 100 includes an optical imaging component 110, a single image sensor 120, and an image processing circuit 130;
- the optical imaging assembly 110 includes a first optical imaging lens group 111, a second optical imaging lens group 112, a first planar mirror 114, a second planar mirror 115, and a third mirror 113;
- the first optical imaging lens group 111 and the second optical imaging lens group 112 receive external light rays with a simulated human eye, and a lateral distance between the first optical imaging lens group 111 and the second optical imaging lens group 112
- a plane mirror 114 and a second plane mirror 115 are used to reflect light from the first optical imaging lens group 11 and the second optical imaging lens group 112, and the third mirror 113 is reflected in the first plane.
- the light from the primary reflection is secondarily reflected by the middle of the mirror 114 and the second planar mirror 115.
- the third mirror 113 is a mirror arranged at a certain angle on both sides, and may also have double reflections in other three-dimensional shapes.
- the single image sensor 120 is a CCD/CMOS image sensor, the imaging plane receives the secondary reflected light of the third mirror 113 and forms two images in parallel, the imaging of the single image sensor 120 The face is twice as wide as the normal 4:3 or 16:9 to receive two complete images at the same time;
- the image processing circuit 130 further includes an image data acquisition circuit, a left frame buffer, and a right frame buffer. And an image format processing circuit; the image data acquisition circuit is configured to acquire image signal data from the image sensor and separate into two image data; The left frame buffer and the right frame buffer are respectively used to store two image data separated by the image data acquiring circuit; the image format processing circuit is configured to merge two from the left frame buffer and the right frame buffer The image data forms stereoscopic image data.
- the image processing circuit 130 can simultaneously read the left and right eye images, and respectively extract the left eye image and the complete image of the right eye inside the circuit, and then output the stereo video signals of different formats according to the stereoscopic imaging principle of the display device.
- a glasses-type stereoscopic display can output a video signal in which the odd-even fields are alternately left and right, that is, an odd field-left eye image, an even field-right eye image, or vice versa. If it is a red and blue field stereo display, the red and blue processing is performed on the same image of the left and right eyes, and the pixels are combined and sequentially output.
- the peer can use the encoding technology to encode and compress the video for recording and storage.
- FIG. 2 is a schematic structural diagram of an image processing circuit in a stereo camera device according to a preferred embodiment of the present invention, the image processing circuit 200 receiving image signal data 20 from a single image sensor,
- the image processing circuit 200 includes an image data acquisition circuit 201, a left frame buffer 202, a right frame buffer 203, an image format processing circuit 204, an audio and video compression encoder 205, a memory 206, an audio and video decoder 207, and audio and video decoding.
- the image signal data 20 of the image sensor includes two images formed by the same image, and then separates the left and right picture data, and the separated image is a full frame image obtained by two peers and stored in the left frame respectively.
- the image format processing circuit 204 will The image data in the left frame buffer 202 and the right frame buffer 203 are combined and processed, and a side-by-side (SIDE BY SIDE) image can be directly generated, or a "frame-and-frame image" can be generated (FRAME BY)
- the image is formatted by the image format processing circuit 204 as required, and then entered into the audio and video compression encoder 205, where the audio and video are subjected to synchronous compression encoding processing, and the encoded data is stored in the memory 206. If you want to view the already stored image, you need to recall the data from the storage 206, then pass through the video and audio decoder 207, and then output it to the external display, or use the binocular/single in the stereo camera.
- the screen monitor window 214 is for viewing.
- An audio/video switching switch 211 is added to the image processing circuit 200, and its function is: The image is outputted by the image format processing circuit 204 after being separated.
- the SIDE image signal will be directly sent to the stereoscopic/single screen monitor window 214 through the audio/video switch 211 for display, from the left and right microphones 209 and through the audio A/D.
- the audio/video switch 211 switches the signal to the output of the audio/video decoder 207, so that the recorded clip can be enjoyed.
- FIG. 3 is a flow chart of a stereo camera method according to a preferred embodiment of the present invention, the method comprising the following steps:
- step S300 two optical imaging lens groups are mounted at a lateral distance of 40 to 100 mm, and the human eye is received by the analog human eye;
- step S302 two plane mirrors are respectively reflected at the rear of the two optical imaging lens groups to respectively reflect the light from the two optical imaging lens groups, and then the stereo reflection between the two plane mirrors.
- the mirror reflects the reflected light twice, so that the two images are reflected twice onto a parallel imaging surface;
- step S304 a single image sensor is used on the imaging surface, and the image sensor is connected to the image surface. Two parallel images of the second reflection;
- Step S306 the image processing circuit receives the image data from the single image sensor and separates the two image data into two frame buffers;
- Step S308 the image processing circuit combines and processes the image data in the left and right frame buffers to form a volume image, and after processing, can directly generate a parallel type (SIDE BY
- SIDE SIDE
- FRAME BY FRAME "frame and frame image”
- FIG. 4 is a schematic diagram of imaging on a imaging plane of a single image sensor in a stereo camera device according to a preferred embodiment of the present invention, and the imaging surface of the CCD/CMOS image sensor is selected as two The image to be output is added to the horizontally larger size, assuming that the image size to be output is M x
- N M is the width
- N is the height
- the horizontal size of the imaging surface of the CCD/CMOS image sensor should be greater than 120% X
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020117018294A KR101300510B1 (ko) | 2009-01-07 | 2009-08-05 | 일종의 입체촬영 장치 및 방법 |
EP09837309A EP2386898A4 (en) | 2009-01-07 | 2009-08-05 | STEREOSCOPIC IMAGING APPARATUS AND CORRESPONDING METHOD |
US13/143,350 US20110279655A1 (en) | 2009-01-07 | 2009-08-05 | Stereoscopic imaging apparatus and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910104853.9 | 2009-01-07 | ||
CN2009101048539A CN101588512B (zh) | 2009-01-07 | 2009-01-07 | 一种立体摄像装置及方法 |
Publications (1)
Publication Number | Publication Date |
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WO2010078751A1 true WO2010078751A1 (zh) | 2010-07-15 |
Family
ID=41372537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2009/073091 WO2010078751A1 (zh) | 2009-01-07 | 2009-08-05 | 一种立体摄像装置及方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110279655A1 (zh) |
EP (1) | EP2386898A4 (zh) |
KR (1) | KR101300510B1 (zh) |
CN (1) | CN101588512B (zh) |
WO (1) | WO2010078751A1 (zh) |
Cited By (1)
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US20120075426A1 (en) * | 2010-09-28 | 2012-03-29 | Canon Kabushiki Kaisha | Image pickup system |
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TWI461824B (zh) * | 2010-06-29 | 2014-11-21 | Hon Hai Prec Ind Co Ltd | 立體取像裝置 |
CN102314067A (zh) * | 2010-06-30 | 2012-01-11 | 鸿富锦精密工业(深圳)有限公司 | 立体取像装置 |
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US9047085B2 (en) * | 2011-03-14 | 2015-06-02 | Nvidia Corporation | Method and apparatus for controlling sparse refresh of a self-refreshing display device using a communications path with an auxiliary communications channel for delivering data to the display |
TWI493277B (zh) * | 2011-03-18 | 2015-07-21 | Hon Hai Prec Ind Co Ltd | 立體取像裝置 |
CN102759802A (zh) * | 2011-04-29 | 2012-10-31 | 浙江亿思达显示科技有限公司 | 3d镜头以及3d照相机 |
JP5927795B2 (ja) * | 2011-07-22 | 2016-06-01 | ソニー株式会社 | 立体映像撮像システム、記録制御方法、立体映像再生システム及び再生制御方法 |
CN102413318B (zh) * | 2011-11-22 | 2013-12-25 | 河南中光学集团有限公司 | 双镜头单ccd的合景光学系统 |
EP2802927A4 (en) * | 2012-01-13 | 2015-08-19 | Front Street Invest Man Inc | ANAMORPHOTIC STEREOSCOPIC IMAGEER WITH A SINGLE OPTICAL PATH |
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JP5889719B2 (ja) * | 2012-05-31 | 2016-03-22 | カシオ計算機株式会社 | 撮像装置、撮像方法及びプログラム |
JP5811106B2 (ja) * | 2013-01-11 | 2015-11-11 | セイコーエプソン株式会社 | 映像処理装置、表示装置および映像処理方法 |
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CN105892216A (zh) * | 2015-12-14 | 2016-08-24 | 乐视网信息技术(北京)股份有限公司 | 3d视频录制设备、处理方法以及移动设备 |
CN107528996A (zh) * | 2016-06-20 | 2017-12-29 | 丰唐物联技术(深圳)有限公司 | 一种网络摄像机及监控系统 |
CN106817579A (zh) * | 2017-03-27 | 2017-06-09 | 珠海康弘健康投资管理有限公司 | 变焦成像装置 |
GB201813740D0 (en) | 2018-08-23 | 2018-10-10 | Ethersec Ind Ltd | Method of apparatus for volumetric video analytics |
CN109259717B (zh) * | 2018-08-27 | 2020-08-14 | 彭波 | 一种立体内窥镜及内窥镜测量方法 |
CN110072155A (zh) * | 2018-12-03 | 2019-07-30 | 贵州广播电视台 | 音视频信号的监视方法及系统 |
KR102342748B1 (ko) * | 2019-05-09 | 2021-12-22 | 아크소프트 코포레이션 리미티드 | 이미지 센서 패키지 |
CN115314698A (zh) * | 2022-07-01 | 2022-11-08 | 深圳市安博斯技术有限公司 | 一种立体拍摄及显示装置、方法 |
CN115268199A (zh) * | 2022-09-29 | 2022-11-01 | 深圳市海塞姆科技有限公司 | 一种单目三维机器视觉光路系统及方法 |
CN118524199A (zh) * | 2024-07-23 | 2024-08-20 | 西华大学 | 基于单图像传感器的立体视觉成像系统 |
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- 2009-08-05 US US13/143,350 patent/US20110279655A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
KR101300510B1 (ko) | 2013-08-26 |
CN101588512A (zh) | 2009-11-25 |
EP2386898A4 (en) | 2012-08-15 |
EP2386898A1 (en) | 2011-11-16 |
KR20110114620A (ko) | 2011-10-19 |
US20110279655A1 (en) | 2011-11-17 |
CN101588512B (zh) | 2011-06-08 |
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