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公开(公告)号：US12273631B2
公开(公告)日：2025-04-08
申请号：US18129450
申请日：2023-03-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geonwoo Kim , Sung Kwang Cho , Yang Ho Cho , Dong Kyung Nam
IPC: H04N23/84 , H04N1/60 , H04N23/617 , H04N23/85 , H04N25/13
Abstract: An optimization method includes determining first information related to a difference between the color filter spectrum and the color spectrum or a difference between an image transformed by the color transformation matrix and a ground truth (GT) image in the reset color space, determining second information representing smoothness of the color filter spectrum, third information representing a transmittance of the color filter spectrum, calculating a cost value based on the first information, the second information, and the third information, compare the calculated cost value and a threshold, and updating one of the filter spectrum information and the color transformation matrix in response to the calculated cost value being equal to or greater than the threshold.
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公开(公告)号：US12015883B2
公开(公告)日：2024-06-18
申请号：US17826906
申请日：2022-05-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yang Ho Cho , Geonwoo Kim , Sung Kwang Cho , Dong Kyung Nam
CPC classification number: H04N9/67 , H04N9/7908 , H04N23/84 , H04N23/88
Abstract: An electronic device includes an image sensor including a color filter having a plurality of color channels, a memory storing a plurality of color conversion matrices and instructions, and a processor. The processor is configured to obtain noise information of a color image captured by the image sensor, select a target matrix from among the plurality of the color conversion matrices based on the obtained noise information, and generate a color converted image by applying the selected target matrix to the color image.
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3.发明公开公开(公告)号：US20240107181A1
公开(公告)日：2024-03-28
申请号：US18129450
申请日：2023-03-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geonwoo Kim , Sung Kwang Cho , Yang Ho Cho , Dong Kyung Nam
IPC: H04N23/84
CPC classification number: H04N23/84
Abstract: An optimization method includes determining first information related to a difference between the color filter spectrum and the color spectrum or a difference between an image transformed by the color transformation matrix and a ground truth (GT) image in the reset color space, determining second information representing smoothness of the color filter spectrum, third information representing a transmittance of the color filter spectrum, calculating a cost value based on the first information, the second information, and the third information, compare the calculated cost value and a threshold, and updating one of the filter spectrum information and the color transformation matrix in response to the calculated cost value being equal to or greater than the threshold.
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公开(公告)号：US20210295532A1
公开(公告)日：2021-09-23
申请号：US17126513
申请日：2020-12-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： HyunJeong Lee , Changbeom Park , Hana Lee , Sung Kwang Cho
Abstract: A target tracking method and apparatus is provided. The target tracking apparatus includes a memory configured to store a neural network, and a processor configured to extract feature information of each of a target included in a target region in a first input image, a background included in the target region, and a searching region in a second input image, using the neural network, obtain similarity information of the target and the searching region and similarity information of the background and the searching region based on the extracted feature information, obtain a score matrix including activated feature values based on the obtained similarity information, and estimate a position of the target in the searching region from the score matrix.
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公开(公告)号：US11991486B2
公开(公告)日：2024-05-21
申请号：US17688247
申请日：2022-03-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Geonwoo Kim , Sung Kwang Cho , Yang Ho Cho , Dong Kyung Nam
IPC: H04N9/64
CPC classification number: H04N9/64
Abstract: Disclosed is a color transform method performed by an electronic device that includes generating an initial color transformed image by performing color transform on a raw image, determine noise amplification degrees indicating degrees to which noise included in the raw image is amplified by the color transform, processing the determined noise amplification degrees, and generating a final color transformed image by filtering the generated initial color transformed image using the processed noise amplification degrees and at least one of the raw image or luminance information of the raw image.
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Patent Agency Ranking
公开(公告)号：US11967088B2
公开(公告)日：2024-04-23
申请号：US18073737
申请日：2022-12-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： HyunJeong Lee , Changbeom Park , Hana Lee , Sung Kwang Cho
CPC classification number: G06T7/246 , G06F18/213 , G06F18/22 , G06T7/73 , G06V10/40 , G06V10/451 , G06V10/761 , G06V20/00
Abstract: A target tracking method and apparatus is provided. The target tracking apparatus includes a memory configured to store a neural network, and a processor configured to extract feature information of each of a target included in a target region in a first input image, a background included in the target region, and a searching region in a second input image, using the neural network, obtain similarity information of the target and the searching region and similarity information of the background and the searching region based on the extracted feature information, obtain a score matrix including activated feature values based on the obtained similarity information, and estimate a position of the target in the searching region from the score matrix.
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公开(公告)号：US11677918B2
公开(公告)日：2023-06-13
申请号：US17380896
申请日：2021-07-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung Kwang Cho , Yang Ho Cho , Dong Kyung Nam
CPC classification number: H04N9/67 , G06N3/08 , G06T7/90 , H04N23/80 , H04N23/843 , G06T2207/10024 , G06T2207/20081 , G06T2207/20084
Abstract: A method and apparatus for color space conversion are provided. An apparatus for converting a color space includes at least one processor configured to convert an original full image of an original color space to a temporary image of a target color space, estimate a color space mapping parameter between the original color space and the target color space, the color space mapping parameter corresponding to the original full image, obtain a residual vector of the target color space based on the temporary image and the color space mapping parameter, convert the residual vector to a residual image of the target color space, and obtain a target full image of the target color space by combining the residual image with the temporary image.
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公开(公告)号：US11544855B2
公开(公告)日：2023-01-03
申请号：US17126513
申请日：2020-12-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： HyunJeong Lee , Changbeom Park , Hana Lee , Sung Kwang Cho
Abstract: A target tracking method and apparatus is provided. The target tracking apparatus includes a memory configured to store a neural network, and a processor configured to extract feature information of each of a target included in a target region in a first input image, a background included in the target region, and a searching region in a second input image, using the neural network, obtain similarity information of the target and the searching region and similarity information of the background and the searching region based on the extracted feature information, obtain a score matrix including activated feature values based on the obtained similarity information, and estimate a position of the target in the searching region from the score matrix.
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公开(公告)号：US11508075B2
公开(公告)日：2022-11-22
申请号：US17027756
申请日：2020-09-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung Kwang Cho , Changbeom Park , Byung In Yoo , Hyunjeong Lee , Jaejoon Han
Abstract: Disclosed are target tracking methods and apparatuses. The target tracking apparatus performs target tracking on an input image obtained in a first time period within a single time frame, using a light neural network in a second time period of the single time frame. The target tracking apparatus may perform target tracking on input images generated within the same time frame.
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10.发明授权Image processing method for improving image quality and image processing device therewith 有权用于提高图像质量的图像处理方法和图像处理装置公开(公告)号：US09313413B2
公开(公告)日：2016-04-12
申请号：US14246626
申请日：2014-04-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung Kwang Cho , Taechan Kim , Wonho Cho
IPC: H04N5/235
CPC classification number: H04N5/2351 , H04N5/2355
Abstract: An image processing method includes adjusting a brightness of each of a first image and a second image based on a first exposure time when the first image is captured and a second exposure time when the second image is captured, respectively, the first and second images being generated by capturing a same object under different light conditions, estimating an intensity of light, reaching the object when the second image is captured, based on the adjusted brightness of each of the first and second images, separating the second image into two or more regions according to the estimated intensity of light, determining a target brightness that a final result image is to have, adjusting the brightness of the second image, by different amounts for each of the separated regions, based on the target brightness and generate the final result image based on the adjusted brightness of the second image.
Abstract translation: 一种图像处理方法包括：分别基于当捕获第一图像时的第一曝光时间和第二图像被捕获时的第二曝光时间来调整第一图像和第二图像中的每一个的亮度，第一和第二图像是 通过在不同的光条件下捕获相同的物体而产生，基于所述第一和第二图像中的每一个的调整的亮度，估计在捕获所述第二图像时到达所述物体的光的强度，将所述第二图像分离成两个或更多个区域 根据估计的光强度，基于目标亮度，确定最终结果图像具有的目标亮度，并根据目标亮度调整每个分离区域的不同量的第二图像的亮度，并生成最终结果图像 基于第二图像的调整亮度。
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