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1.发明申请公开(公告)号：US20190028632A1
公开(公告)日：2019-01-24
申请号：US16031465
申请日：2018-07-10
Inventor： KUNIO NOBORI , NOBUHIKO WAKAI , SATOSHI SATO , TAKEO AZUMA
IPC: H04N5/232 , H04N13/122 , G06T7/70 , G06K9/00
Abstract: A camera parameter set calculation apparatus calculates three-dimensional coordinate sets based on a first image obtained by a first camera mounted on a mobile apparatus, a second image obtained by a second camera arranged on or in an object different from the mobile apparatus, a camera parameter set of the first camera, and a camera parameter set of the second camera, determines first pixel coordinate pairs obtained by projecting the three-dimensional coordinate sets onto the first image based on the first camera parameter set and second pixel coordinate pairs obtained by projecting the three-dimensional coordinate sets onto the second image based on the second camera parameter set, calculates an evaluation value based on pixel values at the first pixel coordinate pairs and pixel values at the second pixel coordinate pairs, and updates the camera parameter set of the first camera based on the evaluation value.
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公开(公告)号：US20170223324A1
公开(公告)日：2017-08-03
申请号：US15413749
申请日：2017-01-24
Inventor： SATOSHI SATO , KUNIO NOBORI , TAKEO AZUMA , AYAKO MARUYAMA , NOBUHIKO WAKAI
CPC classification number: G06T3/4015 , H04N5/335 , H04N9/045
Abstract: An imaging apparatus includes an optical imaging system that converges light from an object; an imaging device that includes a plurality of pixels, receives the converged light, and converts the received light to an electric signal; a filter unit that is disposed between the optical imaging system and the imaging device and includes a plurality of color filters having different light transmission rate characteristics; and a transmission data compressing circuit that codes the electric signal. An overall light transmission rate characteristic of the filter unit differs randomly in different pixels of the imaging device, and the transmission data compressing circuit weights and codes the electric signal of each of the pixels by using a reciprocal of a proportion of the overall light transmission rate characteristic of the filter unit corresponding to each of the plurality of pixels of the imaging device relative to a wavelength characteristic common among the pixels.
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3.发明申请IMAGING APPARATUS, IMAGING SYSTEM, RECONSTRUCTION APPARATUS, IMAGING METHOD, AND RECORDING MEDIUM 有权成像装置，成像系统，重建装置，成像方法和记录介质公开(公告)号：US20160205336A1
公开(公告)日：2016-07-14
申请号：US14963001
申请日：2015-12-08
Inventor： SATOSHI SATO , TAKEO AZUMA , KUNIO NOBORI , MIKIYA NAKATA
IPC: H04N5/374 , H04N19/122 , H04N5/355 , H04N5/3745 , H04N5/357 , H04N19/13 , H04N19/80
CPC classification number: H04N5/378 , H04N5/335 , H04N5/347 , H04N5/3559 , H04N5/357 , H04N5/3742 , H04N5/37455 , H04N19/122 , H04N19/13 , H04N19/60 , H04N19/80
Abstract: An imaging apparatus includes a photoelectric converter that converts light signals generated from light received by three or more pixels into electric charge signals, each of the electric charge signals corresponding to one of the three or more pixels; an electric charge holder that holds the electric charge signals; an analog selective adder that generates added electric charge signals by adding electric charge signals of certain pixels among the three or more pixels by using analog addition patterns which are rules of adding pieces of electric charge information corresponding to individual positions of the certain pixels; an analog-to-digital converter that converts the added electric charge signals into digital signals; and an addition data compressor that compresses the digital signals by using a total number of pixels for which pieces of electric charge information are added in the analog addition patterns and thereby generates compressed digital signals.
Abstract translation: 一种成像装置包括光电转换器，其将由三个或更多像素接收的光产生的光信号转换为电荷信号，每个电荷信号对应于三个或更多像素之一; 保持电荷信号的电荷保持器; 模拟选择加法器，其通过使用作为相加于所述某些像素的各个位置的电荷信息相加的规则的模拟加法模式，通过在所述三个或更多像素中添加某些像素的电荷信号来产生附加的电荷信号; 一个将所加电荷信号转换为数字信号的模拟 - 数字转换器; 以及附加数据压缩器，通过使用在模拟添加模式中添加电荷信息的总数的像素数来压缩数字信号，从而生成压缩的数字信号。
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公开(公告)号：US20150312503A1
公开(公告)日：2015-10-29
申请号：US14685855
申请日：2015-04-14
Inventor： SATOSHI SATO , TAKEO AZUMA , KUNIO NOBORI
CPC classification number: H04N9/045 , H03M7/3062 , H04N5/374
Abstract: An imaging system includes an encoding apparatus that performs a multiple sampling process on charge signals in a plurality of wavelength bands and encodes image information and a decoding apparatus that decodes the image information. In the multiple sampling process, the charge signals of pixels in a pixel group having a predetermined arrangement pattern are analog-summed and the sum is converted into a new digital signal. The encoding apparatus performs the multiple sampling process on charge signals in at least two of the wavelength bands and outputs a digital image signal in each of the wavelength band. The at least two pixel groups have different arrangement patterns, and combinations of the arrangement patterns for all the wavelength bands differ from one another. The decoding apparatus generates a reconstructed image from the digital image signals in the wavelength bands using multiple sampling information and outputs the image.
Abstract translation: 成像系统包括对多个波长带中的电荷信号进行多次采样处理并对图像信息进行编码的编码装置和对图像信息进行解码的解码装置。 在多次采样处理中，具有预定布置图案的像素组中的像素的电荷信号被模拟相加，并且该和被转换成新的数字信号。 编码装置对至少两个波长带中的电荷信号执行多次采样处理，并输出每个波长带中的数字图像信号。 至少两个像素组具有不同的布置图案，并且所有波长带的布置图案的组合彼此不同。 解码装置使用多个采样信息从波长带的数字图像信号中生成重构图像，并输出该图像。
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公开(公告)号：US20180316907A1
公开(公告)日：2018-11-01
申请号：US15960983
申请日：2018-04-24
Inventor： TAKEO AZUMA , NOBUHIKO WAKAI , KUNIO NOBORI , SATOSHI SATO
IPC: H04N13/271 , H04N13/243
CPC classification number: H04N13/271 , H04N13/239 , H04N13/243 , H04N2013/0081
Abstract: An image capturing apparatus: calculates, for each of pairs of images, based on the pairs of images and camera parameters, position information including information specifying a three-dimensional position of a measurement point with respect to a pair of pixels respectively included in the pair of images, and information specifying a position of each of the pair of pixels; performs, based on the position information and the camera parameters, weighted addition on the information specifying the three-dimensional position of the measurement point in each of the pair of images, with information using an effective baseline length or a viewing angle, with respect to the three-dimensional position, of a pair of the cameras corresponding to the pair of images; and outputs position information of the measurement point to which a weighted addition value is applied.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20180316906A1
公开(公告)日：2018-11-01
申请号：US15961041
申请日：2018-04-24
Inventor： KUNIO NOBORI , NOBUHIKO WAKAI , SATOSHI SATO , TAKEO AZUMA , MIKIYA NAKATA
IPC: H04N13/246 , H04N13/275 , G06K9/00 , G06T7/80
Abstract: A camera parameter set calculation apparatus calculates three-dimensional coordinate sets corresponding to overlapping regions including images of a portion of a subject, based on a first and second images captured by a first and second cameras, a first camera parameter set of the first camera and a second camera parameter set of the second camera; determines first pixel coordinate pairs based on the first camera parameter set by projecting the three-dimensional coordinate sets on the first image; determines second pixel coordinate pairs based on the second camera parameter set by projecting the three-dimensional coordinate sets on the second image; calculates an evaluation value, based on pixel values at the first pixel coordinate pairs on the first image and pixel values at the second pixel coordinate pairs on the second image; and updates the first and second camera parameter sets based on the evaluation value.
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7.发明申请公开(公告)号：US20180316905A1
公开(公告)日：2018-11-01
申请号：US15961011
申请日：2018-04-24
Inventor： KUNIO NOBORI , NOBUHIKO WAKAI , SATOSHI SATO , TAKEO AZUMA , MIKIYA NAKATA
IPC: H04N13/246 , H04N5/232 , G06T7/80 , G06T7/73
CPC classification number: H04N13/246 , B60R1/00 , B60R2300/301 , B60R2300/303 , B60R2300/307 , B60R2300/607 , G06T7/73 , G06T7/85 , G06T2207/10012 , G06T2207/10024 , G06T2207/30208 , G06T2207/30264 , H04N5/23216 , H04N5/23238 , H04N13/239 , H04N13/243
Abstract: A camera parameter set calculation method including (a1) acquiring a first image captured by a first camera and a second image captured by a second camera, (a2) acquiring camera parameter sets of the first and second cameras, (a3) extracting, from the first image, a predetermined portion having assumed three-dimensional position information, (a4) calculating three-dimensional coordinate sets corresponding to the predetermined portion on a basis of the assumed three-dimensional position information, the first image, and the first camera parameter set, (a5) determining first pixel coordinate pairs and second pixel coordinate pairs corresponding to the predetermined portion in the first image and second image, respectively, on the basis of the three-dimensional coordinate sets, (a6) calculating an evaluation value on the basis of pixel values at the first pixel coordinate pairs and pixel values at the second coordinate pairs, (a7) updating the camera parameter sets on the basis of the evaluation value.
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公开(公告)号：US20180300900A1
公开(公告)日：2018-10-18
申请号：US15950216
申请日：2018-04-11
Inventor： NOBUHIKO WAKAI , TAKEO AZUMA , KUNIO NOBORI , SATOSHI SATO
Abstract: A camera calibration method which calculates camera parameters of at least three cameras (a1) acquires three-dimensional coordinate set of a calibration point and image coordinate pair of the calibration point in each camera image, (a2) acquires camera parameters of each camera, (a3) calculates a view angle-corresponding length corresponding to a view angle of each pair of cameras viewing the calibration point, (a4) calculates a three-dimensional position of a measurement point corresponding to a three-dimensional position of the calibration point for each camera pair using parallax of the calibration point between the cameras in the camera pair, (a5) weights the three-dimensional position of each measurement point using the view angle-corresponding length corresponding to the measurement point, (a6) calculates a three-dimensional position of a unified point of the weighted measurement points, and (a7) updates the camera parameters based on the three-dimensional coordinate set of the calibration point and the three-dimensional position of the unified point.
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9.发明申请IMAGE CAPTURING APPARATUS, MONITORING SYSTEM, IMAGE PROCESSING APPARATUS, IMAGE CAPTURING METHOD, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM 审中-公开图像捕获设备，监控系统，图像处理设备，图像捕获方法和非终端计算机可读记录介质公开(公告)号：US20150172633A1
公开(公告)日：2015-06-18
申请号：US14555643
申请日：2014-11-27
Inventor： KUNIO NOBORI , SATOSHI SATO , TAKEO AZUMA
CPC classification number: G06K9/00664 , G06K9/00805 , G06T7/596 , G06T2207/10012 , G06T2207/10052 , G06T2207/30261 , H04N5/23238 , H04N13/243 , Y10S901/01 , Y10S901/47
Abstract: There is provided an image capturing apparatus that captures a plurality of images, calculates a three-dimensional position from the plurality of images, and outputs the plurality of images and information about the three-dimensional position. The image capturing apparatus includes an image capturing unit, a camera parameter storage unit, a position calculation unit, a position selection unit, and an image complementing unit. The image capturing unit outputs the plurality of images using at least three cameras. The camera parameter storage unit stores in advance camera parameters including occlusion information. The position calculation unit calculates three dimensional positions of a plurality of points. The position selection unit selects a piece of position information relating to a subject area that does not have an occlusion, and outputs selected position information. The image complementing unit generates a complementary image, and outputs the complementary image and the selected position information.
Abstract translation: 提供了一种捕获多个图像的图像捕获装置，从多个图像计算三维位置，并输出多个图像和关于三维位置的信息。 摄像装置包括摄像单元，照相机参数存储单元，位置计算单元，位置选择单元和图像补充单元。 图像捕获单元使用至少三个照相机输出多个图像。 相机参数存储单元预先存储包括遮挡信息的相机参数。 位置计算单元计算多个点的三维位置。 位置选择单元选择与不具有遮挡物的对象区域相关的位置信息，并输出所选择的位置信息。 图像补充单元生成补充图像，并输出补充图像和所选择的位置信息。
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公开(公告)号：US20190230264A1
公开(公告)日：2019-07-25
申请号：US16374641
申请日：2019-04-03
Inventor： NOBUHIKO WAKAI , TAKEO AZUMA , KUNIO NOBORI , SATOSHI SATO
IPC: H04N5/225 , H04N13/204 , H04N13/128
Abstract: An image capturing apparatus includes a first camera that captures a first image, a second camera that captures a second image, a lens cover that includes transparent parts and ridgelines and that covers the first camera and the second camera, and a processing circuit that identifies a pixel located in an area, in which it is necessary to interpolate a pixel value, in the first image, and generates an output image using the first image and interpolation pixel information for interpolating a pixel value of the identified pixel. Each ridgeline between adjacent parts of the lens cover is twisted with respect to a base line extending between a center of a first lens of the first camera and a center of a second lens of the second camera. An upper part of the lens cover opposes a base on which the first camera and the second camera are disposed.
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