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公开(公告)号：US20240107199A1
公开(公告)日：2024-03-28
申请号：US18368182
申请日：2023-09-14
发明人： AIHIKO NUMATA , KAN TAKAIWA
IPC分类号： H04N25/773 , H04N25/51
CPC分类号： H04N25/773 , H04N25/51
摘要： To provide a photoelectric conversion device that has an avalanche photodiode and can suppress image quality deterioration, in a photoelectric conversion device, a photoelectric conversion element including an avalanche photodiode for photoelectrically converting an optical image, an image generation unit configured to generate a first image based on a signal acquired by the photoelectric conversion element, an acquisition unit configured to acquire first characteristic information of the photoelectric conversion element, and a correction processing unit configured to perform first correction processing on the first image by using the first characteristic information are provided, and in the correction processing unit, weighting of the first correction processing is made different according to a magnitude of a pixel signal in the first image.
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公开(公告)号：US20240292124A1
公开(公告)日：2024-08-29
申请号：US18437342
申请日：2024-02-09
发明人： KAN TAKAIWA , AIHIKO NUMATA
IPC分类号： H04N25/62 , H01L27/146 , H04N25/13 , H04N25/79
CPC分类号： H04N25/62 , H04N25/134 , H04N25/79 , H01L27/14645
摘要： An imaging device includes: a photoelectric conversion element including an avalanche photodiode; a generation unit configured to generate an image based on a signal acquired by the photoelectric conversion element; a first correction unit configured to correct the image based on first characteristic information on crosstalk between pixels of the photoelectric conversion element; and a second correction unit configured to perform pixel interpolation of the image based on second characteristic information for determining a crosstalk region to neighboring pixels of a specific pixel and the image.
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公开(公告)号：US20240107192A1
公开(公告)日：2024-03-28
申请号：US18368108
申请日：2023-09-14
发明人： AIHIKO NUMATA , KAN TAKAIWA
CPC分类号： H04N25/68 , H04N23/81 , H04N25/51 , H04N25/62 , H01L27/14634
摘要： A photoelectric conversion apparatus comprises a photoelectric conversion element including an avalanche photodiode for photoelectrically converting an optical image; an image generating unit configured to generate a first image based on a signal that has been acquired by the photoelectric conversion element; an acquisition unit configured to acquire first characteristic information of the photoelectric conversion element; a first correction processing unit configured to perform first correction processing for correcting linearity of the first image using the first characteristic information; and a second correction processing unit configured to perform second correction processing for performing interpolation based on the first characteristic information and information of the first image.
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