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公开(公告)号:US12175678B2
公开(公告)日:2024-12-24
申请号:US17749602
申请日:2022-05-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hanul Shin , Soomin Kang , Jaeyeon Park , Youngchan Song , Iljun Ahn , Tammy Lee
Abstract: An image processing apparatus, including a memory configured to store one or more instructions; and at least one processor configured to execute the one or more instructions to: based on a first image and a probability model, optimize an estimated pixel value and estimated gradient values of each pixel of an original image corresponding to the first image, obtain an estimated original image based on the optimized estimated pixel value of the each pixel of the original image, obtain a decontour map based on the optimized estimated pixel value and the estimated gradient values of the each pixel of the original image, and generate a second image by combining the first image with the estimated original image based on the decontour map.
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公开(公告)号:US11295412B2
公开(公告)日:2022-04-05
申请号:US16838650
申请日:2020-04-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Cheon Lee , Donghyun Kim , Yongsup Park , Jaeyeon Park , Iljun Ahn , Hyunseung Lee , Taegyoung Ahn , Youngsu Moon , Tammy Lee
Abstract: An image processing apparatus applies an image to a first learning network model to optimize the edges of the image, applies the image to a second learning network model to optimize the texture of the image, and applies a first weight to the first image and a second weight to the second image based on information on the edge areas and the texture areas of the image to acquire an output image.
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公开(公告)号:US10748293B2
公开(公告)日:2020-08-18
申请号:US15922144
申请日:2018-03-15
Inventor: Jong Beom Ra , Seungeon Kim , Kyoung-yong Lee , Toshihiro Rifu , Jonghyon Yi , Iljun Ahn , Yongjin Chang , Byung-sun Choi
Abstract: A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.
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公开(公告)号:US12182981B2
公开(公告)日:2024-12-31
申请号:US17687227
申请日:2022-03-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hanul Shin , Soomin Kang , Iljun Ahn , Youngchan Song , Tammy Lee
IPC: G06T7/00
Abstract: An image processing apparatus and a method of operating the same are provided. The method includes: a memory storing one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to obtain first frequency coefficient information by converting a first image into a frequency domain in units of blocks having a preset size, obtain correlation information indicating a correlation between at least one block of the first frequency coefficient information and a first kernel, generate a weight corresponding to the first frequency coefficient information based on the correlation information, generate second frequency coefficient information by rearranging coefficients included in the first frequency coefficient information, wherein the one or more of the coefficients having a same frequency is arranged into a same group, and obtain quality information of the first image based on the weight and the second frequency coefficient information.
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公开(公告)号:US12086953B2
公开(公告)日:2024-09-10
申请号:US17687162
申请日:2022-03-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Iljun Ahn , Soomin Kang , Hanul Shin , Tammy Lee
IPC: G06T3/4046
CPC classification number: G06T3/4046 , G06T2207/20081 , G06T2207/20084
Abstract: An image processing device, including a memory configured to store one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to: obtain kernel coefficient information corresponding to each pixel of a plurality of pixels included in a first image, using a convolution neural network including one or more convolution layers, generate a spatially variant kernel including a kernel corresponding to the each pixel, based on a gradient kernel set including a plurality of gradient kernels corresponding to one or more gradient characteristics of the plurality of pixels, and the kernel coefficient information, and generate a second image, by applying the kernel included in the spatially variant kernel to a region centered on the each pixel, and filtering the first image.
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6.
公开(公告)号:US11961207B2
公开(公告)日:2024-04-16
申请号:US17271328
申请日:2019-09-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Iljun Ahn , Yongsup Park , Jaeyeon Park , Minsu Cheon , Tammy Lee
IPC: G06T3/40 , G06N3/04 , G06N3/084 , G06T3/4046 , G06T5/00
CPC classification number: G06T3/4046 , G06N3/04 , G06N3/084 , G06T5/002 , G06T2207/20084
Abstract: Provided is an image processing apparatus including a memory storing one or more instructions and a processor configured to execute the one or more instructions stored in the memory, wherein the processor is further configured to execute the one or more instructions to generate a second image by performing a deconvolution operation on a first image and a kernel comprising one or more weights, set values of the one or more weights based on the second image, and adjust the values of the one or more weights based on positions of the one or more weights in the kernel.
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7.
公开(公告)号:US11315223B2
公开(公告)日:2022-04-26
申请号:US16962270
申请日:2019-01-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Minsu Cheon , Yongsup Park , Changhan Kim , Jaeyeon Park , Iljun Ahn , Heeseok Oh , Tammy Lee , Kiheum Cho
Abstract: An image processing apparatus is disclosed. The present image processing apparatus comprises: a memory for storing a low dynamic range (LDR) image and a processor for adjusting the brightness of the LDR image by means of a pixel-specific brightness ratio identified using a first parameter, and acquiring a high dynamic range (HDR) image by adding or subtracting a pixel-specific correction value identified using a second parameter in the brightness-adjusted LDR image.
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公开(公告)号:US11825234B2
公开(公告)日:2023-11-21
申请号:US17256560
申请日:2019-07-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Iljun Ahn , Yongsup Park , Jaeyeon Park , Tammy Lee , Minsu Cheon
CPC classification number: H04N7/0117 , G06F18/22 , G06N3/045 , G06N3/08 , G06T3/4007 , G06T3/4046 , G06T5/002 , G06T2207/10016 , G06T2207/20084 , G06T2207/20182
Abstract: Provided is an image processing apparatus for generating a high-resolution image. The image processing apparatus includes a memory storing one or more instructions and a processor configured to execute the one or more instructions stored in the memory, wherein the processor is configured to extract feature information regarding a low-resolution image of a current frame by using a first convolutional neural network, generate, based on the feature information, a first high-resolution image of the current frame, remove flickering of the first high-resolution image by using a high-resolution image of a previous frame, and remove flickering of a high-resolution image of a next frame by using at least one of a flickering-removed second high-resolution image of the current frame, or the feature information.
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公开(公告)号:US11380081B2
公开(公告)日:2022-07-05
申请号:US16861428
申请日:2020-04-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jaeyeon Park , Yongsup Park , Iljun Ahn , Sangwook Baek , Minsu Cheon , Kwangpyo Choi
Abstract: Provided is an image processing apparatus including a memory storing at least one instruction, and a processor configured to execute the at least one instruction stored in the memory to obtain first feature information by performing a convolution operation on a first image and a first kernel included in a first convolution layer among a plurality of convolution layers, obtain at least one piece of characteristic information, based on the first feature information; obtain second feature information, based on the first feature information and the at least one piece of characteristic information, obtain third feature information by performing a convolution operation on the obtained second feature information and a second kernel included in a second convolution layer that is a layer next to the first convolution layer among the plurality of convolution layers, and obtain an output image, based on the third feature information.
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公开(公告)号:US09959631B2
公开(公告)日:2018-05-01
申请号:US14554799
申请日:2014-11-26
Inventor: Jong Beom Ra , Seungeon Kim , Kyoung-yong Lee , Toshihiro Rifu , Jonghyon Yi , Iljun Ahn , Yongjin Chang , Byung-sun Choi
CPC classification number: G06T7/246 , A61B6/032 , A61B6/037 , A61B6/5205 , A61B6/5264 , G06T7/248 , G06T11/006 , G06T2207/10081 , G06T2211/412 , G06T2211/421
Abstract: A tomography apparatus includes a data acquirer acquiring a first image and a second image that are partial images, by using data acquired in a first angular section corresponding to a first time point and a second angular section corresponding to a second time and facing the first angular section, by performing a tomography scan on an object that is moving, and acquiring first information indicating a motion amount of the object by using the first image and the second image, and an image reconstructor reconstructing a target image indicating the object at a target time, based on the first information.
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