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公开(公告)号：US20240007727A1
公开(公告)日：2024-01-04
申请号：US18226418
申请日：2023-07-26
Inventor： Takeo AZUMA , Satoshi SATO , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
IPC: H04N23/11 , G06T7/521 , H04N13/271 , G01S17/10 , G01S17/89
CPC classification number: H04N23/11 , G06T7/521 , H04N13/271 , G01S17/10 , G01S17/89 , G06T2207/10028
Abstract: A depth acquisition device includes memory and processor performing: acquiring, from the memory, intensities of infrared light emitted from a light source and measured by imaging with the infrared light reflected on a subject by pixels in an imaging element; generating a depth image by calculating a distance to the subject as a depth for each pixel based on an intensity received by the pixel; acquiring, from the memory, a visible light image generated by imaging, with visible light, a substantially same scene with a substantially same viewpoint and at a substantially same timing as those of imaging the infrared light image; detecting, from the visible light image, an edge region including an edge along a direction perpendicular to a direction of movement of the visible light image; and correcting, in the depth image, a depth of a target region corresponding to the edge region in the depth image.
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公开(公告)号：US20210120165A1
公开(公告)日：2021-04-22
申请号：US17136722
申请日：2020-12-29
Inventor： Kunio NOBORI , Satoshi SATO , Takeo AZUMA , Nobuhiko WAKAI , Mitsuru HARADA , Shinichi MACHIDA , Masumi IZUCHI
Abstract: An image generation device includes: a voltage generator that generates a plurality of voltages each having a different voltage value; an image capturer that includes an organic photoconductive film, and performs imaging every time each of the plurality of voltages is applied; a luminance data obtainer that obtains a plurality of luminance data items corresponding to the plurality of voltages applied, each of the plurality of luminance data items being obtained from the imaging performed by the image capturer; and a color image generator that generates a color image based on the plurality of luminance data items.
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公开(公告)号：US20210150742A1
公开(公告)日：2021-05-20
申请号：US17161060
申请日：2021-01-28
Inventor： Satoshi SATO , Takeo AZUMA , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
Abstract: A depth acquisition device includes a memory and a processor. The processor performs: acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring, from the memory, an infrared light image generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring, from the memory, a visible light image generated by imaging a substantially same scene as the scene of the infrared light image, with visible light from a substantially same viewpoint as a viewpoint of imaging the infrared light image at a substantially same time as a time of imaging the infrared light image; detecting a flare region from the infrared light image; and estimating a depth of the flare region based on the infrared light image, the visible light image, and the flare region.
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公开(公告)号：US20230215029A1
公开(公告)日：2023-07-06
申请号：US18119443
申请日：2023-03-09
Inventor： Satoshi SATO , Takeo AZUMA , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
CPC classification number: G06T7/55 , G06T7/521 , G01S17/48 , G06T2207/10028 , G06T2207/10048
Abstract: A depth acquisition device includes a memory and a processor. The processor performs: acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring, from the memory, an infrared light image generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring, from the memory, a visible light image generated by imaging a substantially same scene as the scene of the infrared light image, with visible light from a substantially same viewpoint as a viewpoint of imaging the infrared light image at a substantially same time as a time of imaging the infrared light image; detecting a flare region from the infrared light image; and estimating a depth of the flare region based on the infrared light image, the visible light image, and the flare region.
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公开(公告)号：US20210144314A1
公开(公告)日：2021-05-13
申请号：US17154533
申请日：2021-01-21
Inventor： Takeo AZUMA , Satoshi SATO , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
IPC: H04N5/33 , H04N13/271 , G01S17/89 , G01S17/10 , G06T7/521
Abstract: A depth acquisition device includes memory and processor performing: acquiring, from the memory, intensities of infrared light emitted from a light source and measured by imaging with the infrared light reflected on a subject by pixels in an imaging element; generating a depth image by calculating a distance to the subject as a depth for each pixel based on an intensity received by the pixel; acquiring, from the memory, a visible light image generated by imaging, with visible light, a substantially same scene with a substantially same viewpoint and at a substantially same timing as those of imaging the infrared light image; detecting, from the visible light image, an edge region including an edge along a direction perpendicular to a direction of movement of the visible light image; and correcting, in the depth image, a depth of a target region corresponding to the edge region in the depth image.
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Patent Agency Ranking
公开(公告)号：US20210118179A1
公开(公告)日：2021-04-22
申请号：US17113425
申请日：2020-12-07
Inventor： Nobuhiko WAKAI , Takeo AZUMA , Kunio NOBORI , Satoshi SATO , Ayako MARUYAMA
Abstract: A crossing point detector includes memory and a crossing point detection unit that reads out a square image from a captured image in the memory, and detects a crossing point of two boundary lines in a checker pattern depicted in the square image. The crossing point detection unit decides multiple parameters of a function model treating two-dimensional image coordinates as variables, the parameters optimizing an evaluation value based on a difference between corresponding pixel values represented by the function model and the square image, respectively, and computes the position of a crossing point of two straight lines expressed by the decided multiple parameters to thereby detect the crossing point with subpixel precision. The function model uses a curved surface that is at least first-order differentiable to express pixel values at respective positions in a two-dimensional coordinate system at the boundary between black and white regions.
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公开(公告)号：US20240303845A1
公开(公告)日：2024-09-12
申请号：US18668586
申请日：2024-05-20
Inventor： Satoshi SATO , Takeo AZUMA , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
CPC classification number: G06T7/55 , G01S17/48 , G06T7/521 , G06T2207/10028 , G06T2207/10048
Abstract: A depth acquisition device includes a memory and a processor. The processor performs: acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring, from the memory, an infrared light image generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring, from the memory, a visible light image generated by imaging a substantially same scene as the scene of the infrared light image, with visible light from a substantially same viewpoint as a viewpoint of imaging the infrared light image at a substantially same time as a time of imaging the infrared light image; detecting a flare region from the infrared light image; and estimating a depth of the flare region based on the infrared light image, the visible light image, and the flare region.
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公开(公告)号：US20230196921A1
公开(公告)日：2023-06-22
申请号：US18110462
申请日：2023-02-16
Inventor： Ayako MARUYAMA , Kunio NOBORI , Takeo AZUMA , Satoshi SATO , Nobuhiko WAKAI
CPC classification number: G08G1/166 , H04N7/181 , G06T5/005 , B60R1/003 , G01S13/931 , G06T7/70 , G08G1/165 , G06T11/00 , G06T2207/30252 , B60R2300/105 , B60R2300/303
Abstract: An image generating apparatus generates an image to be displayed on a display and includes at least one memory and a control circuit. The control circuit acquires a plurality of camera images captured by a plurality of cameras installed in a vehicle, calculates a distance between one of the cameras and a target to be projected in in the camera images, detects a position of a light-transmissive object or a reflective object in the camera images, and generates an image from a point of view that is different from points of view of the plurality of camera images by using the plurality of camera images and the distance, the generated image including a predetermined image that is displayed at the position of the light-transmissive object or the reflective object.
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公开(公告)号：US20210142500A1
公开(公告)日：2021-05-13
申请号：US17152231
申请日：2021-01-19
Inventor： Takeo AZUMA , Satoshi SATO , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
Abstract: A depth acquisition device includes a memory and a processor performing: acquiring, from the memory, intensities of infrared light measured by imaging with infrared light emitted from a light source and reflected on a subject by pixels in an imaging element; generating a depth image by calculating the distance for each pixel based on the intensities; acquiring, from the memory, a visible light image generated by imaging, with visible light, the substantially same scene from the substantially same viewpoint at the substantially same timing as those of the infrared light image; detecting a lower reflection region showing an object having a lower reflectivity from the infrared light image in accordance with the infrared light image and the visible light image; correcting a corresponding lower reflection region in the depth image in accordance with the visible light image; and outputting the depth image with the corrected lower reflection region.
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公开(公告)号：US20210142496A1
公开(公告)日：2021-05-13
申请号：US17157175
申请日：2021-01-25
Inventor： Satoshi SATO , Takeo AZUMA , Nobuhiko WAKAI , Kohsuke YOSHIOKA , Noritaka SHIMIZU , Yoshinao KAWAI , Takaaki AMADA , Yoko KAWAI , Takeshi MURAI , Hiroki TAKEUCHI
IPC: G06T7/521
Abstract: A depth acquisition device includes a memory and a processor. The processor performs; acquiring timing information indicating a timing at which a light source irradiates a subject with infrared light; acquiring an infrared light image stored in the memory, the infrared light image being generated by imaging a scene including the subject with the infrared light according to the timing indicated by the timing information; acquiring a visible light image stored in the memory, the visible light image being generated by imaging a substantially same scene as that of the infrared light image, with visible light from a substantially same viewpoint and at a substantially same imaging time of those of the infrared light image; detecting a dust region showing dust from the infrared light image; and estimating a depth of the dust region based on the infrared light image, the visible light image, and the dust region.
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