Patents by Inventor Tae-gyoung Ahn
Tae-gyoung Ahn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11532075Abstract: A display apparatus is provided. The display apparatus includes an input interface, a first storage, a display, and a processor. Pixel values corresponding to a predetermined number of lines in an image input through the input interface are stored in the first storage. The processor acquires a first patch of a predetermined size by sampling a number of pixel values located in an outer region of a matrix centering about a specific pixel value from among the pixel values stored in the first storage, acquires a high-frequency component for the specific pixel value based on the acquired first patch, and processes the input image based on the high-frequency component. The display displays the processed image.Type: GrantFiled: June 17, 2021Date of Patent: December 20, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun Lim, Seok-bong Yoo, Tae-gyoung Ahn, Young-su Moon, Seong-hoon Choi
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Patent number: 11393427Abstract: An image processing apparatus includes: a signal receiver configured to receive an input image; an image processor configured to process the input image and generate an output image; a storage configured to store a first patch corresponding to a first pixel of the input image; and a controller configured to control the image processor to generate the output image by applying the first patch stored in the storage to the first pixel.Type: GrantFiled: April 13, 2020Date of Patent: July 19, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-bong Yoo, Hyung-jun Lim, Gi-yeong Gim, Young-su Moon, Tae-gyoung Ahn
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Patent number: 11290750Abstract: A display apparatus and method that reduces block noise by performing block noise boundary detections and generating a block noise boundary map on the basis of a result of the detections to cope with local random block noise having irregular shaped and blurred block boundaries to perform adaptive deblocking filtering. The apparatus includes: an image receiver; a map generator to generate a block boundary map by performing convolution using a plurality of kernels on a received image; a determiner to determine a filter parameter on the basis of the block boundary map and a block boundary period included in the block boundary map; a deblocking filter to vary a filter strength on the basis of the determined filter parameter; and a display on which an image in which block noise is removed by the deblocking filter is displayed.Type: GrantFiled: December 7, 2018Date of Patent: March 29, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Yoon Kim, Seung-Ho Park, Tae Gyoung Ahn, Ho Cheon Wey, Sang Hun Kim, Young Su Moon
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Publication number: 20210312598Abstract: A display apparatus is provided. The display apparatus includes an input interface, a first storage, a display, and a processor. Pixel values corresponding to a predetermined number of lines in an image input through the input interface are stored in the first storage. The processor acquires a first patch of a predetermined size by sampling a number of pixel values located in an outer region of a matrix centering about a specific pixel value from among the pixel values stored in the first storage, acquires a high-frequency component for the specific pixel value based on the acquired first patch, and processes the input image based on the high-frequency component. The display displays the processed image.Type: ApplicationFiled: June 17, 2021Publication date: October 7, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun LIM, Seok-bong YOO, Tae-gyoung AHN, Young-su MOON, Seong-hoon CHOI
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Patent number: 11074671Abstract: An electronic apparatus is provided. The electronic apparatus includes: a storage configured to store a plurality of filters each corresponding to a plurality of image patterns; and a processor configured to classify an image block including a target pixel and a plurality of surrounding pixels into one of the plurality of image patterns based on a relationship between pixels within the image block and to obtain a final image block in which the target pixel is image-processed by applying at least one filter corresponding to the classified image pattern from among the plurality of filters to the image block, wherein the plurality of filters are obtained by learning, through an artificial intelligence algorithm, a relationship between a plurality of first sample image blocks and a plurality of second sample image blocks corresponding to the plurality of first sample image blocks based on each of the plurality of image patterns.Type: GrantFiled: August 7, 2019Date of Patent: July 27, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Seung Lee, Dong-Hyun Kim, Young-Su Moon, Tae-gyoung Ahn
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Patent number: 11062430Abstract: A display apparatus is provided. The display apparatus includes an input interface, a first storage, a display, and a processor. Pixel values corresponding to a predetermined number of lines in an image input through the input interface are stored in the first storage,. The processor acquires a first patch of a predetermined size by sampling a number of pixel values located in an outer region of a matrix centering about a specific pixel value from among the pixel values stored in the first storage, acquires a high-frequency component for the specific pixel value based on the acquired first patch, and processes the input image based on the high-frequency component. The display displays the processed image.Type: GrantFiled: December 3, 2019Date of Patent: July 13, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun Lim, Seok-bong Yoo, Tae-gyoung Ahn, Young-su Moon, Seong-hoon Choi
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Patent number: 10997947Abstract: An electronic device is provided. The electronic device includes a storage; and a processor configured to: identify, based on a luminance value of each pixel included in a global area of an image stored in the storage, a first cumulative distribution of the global area, identify, based on a luminance value of each pixel included in a local area of the image, a second cumulative distribution of the local area, correct the luminance value of each pixel included in the local area based on the first cumulative distribution and the second cumulative distribution to generate a corrected luminance value of each pixel included in the local area, and generate a corrected image signal based on the corrected luminance value of each pixel included in the local area.Type: GrantFiled: October 18, 2018Date of Patent: May 4, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bong-Geun Lee, Tae-Gyoung Ahn, Soo-Hong Kim
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Patent number: 10846830Abstract: Disclosed is a display apparatus including: a signal receiver configured to receive an image signal; a display configured to display an image; a processor configured to: calculate a change degree and a change direction of pixel value differences between at least one first pixel and two or more second pixels of an image, and change a pixel value of the first pixel based on the pixel value difference which is relatively small among the pixel value differences obtained by the calculated change degree and the calculated change direction. According to this, it is possible to enhance the image details without generating or and increasing of the noises.Type: GrantFiled: May 18, 2018Date of Patent: November 24, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun Lim, Seok-bong Yoo, Tae-gyoung Ahn, Young-su Moon, Seong-hoon Choi
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Publication number: 20200243040Abstract: An image processing apparatus includes: a signal receiver configured to receive an input image; an image processor configured to process the input image and generate an output image; a storage configured to store a first patch corresponding to a first pixel of the input image; and a controller configured to control the image processor to generate the output image by applying the first patch stored in the storage to the first pixel.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-bong Yoo, Hyung-jun Lim, Gi-yeong Gim, Young-su Moon, Tae-gyoung Ahn
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Publication number: 20200245000Abstract: A display apparatus and method that reduces block noise by performing block noise boundary detections and generating a block noise boundary map on the basis of a result of the detections to cope with local random block noise having irregular shaped and blurred block boundaries to perform adaptive deblocking filtering. The apparatus includes: an image receiver; a map generator to generate a block boundary map by performing convolution using a plurality of kernels on a received image; a determiner to determine a filter parameter on the basis of the block boundary map and a block boundary period included in the block boundary map; a deblocking filter to vary a filter strength on the basis of the determined filter parameter; and a display on which an image in which block noise is removed by the deblocking filter is displayed.Type: ApplicationFiled: December 7, 2018Publication date: July 30, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Yoon KIM, Seung-Ho PARK, Tae Gyoung AHN, Ho Cheon WEY, Sang Hun KIM, Young Su MOON
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Publication number: 20200175653Abstract: Disclosed is a display apparatus including: a signal receiver configured to receive an image signal; a display configured to display an image; a processor configured to: calculate a change degree and a change direction of pixel value differences between at least one first pixel and two or more second pixels of an image, and change a pixel value of the first pixel based on the pixel value difference which is relatively small among the pixel value differences obtained by the calculated change degree and the calculated change direction. According to this, it is possible to enhance the image details without generating or and increasing of the noises.Type: ApplicationFiled: May 18, 2018Publication date: June 4, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun LIM, Seok-bong YOO, Tae-gyoung AHN, Young-su MOON, Seong-hoon CHOI
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Patent number: 10650283Abstract: An electronic apparatus is provided. The electronic apparatus includes: a storage configured to store a plurality of filters each corresponding to a plurality of image patterns; and a processor configured to classify an image block including a target pixel and a plurality of surrounding pixels into one of the plurality of image patterns based on a relationship between pixels within the image block and to obtain a final image block in which the target pixel is image-processed by applying at least one filter corresponding to the classified image pattern from among the plurality of filters to the image block, wherein the plurality of filters are obtained by learning, through an artificial intelligence algorithm, a relationship between a plurality of first sample image blocks and a plurality of second sample image blocks corresponding to the plurality of first sample image blocks based on each of the plurality of image patterns.Type: GrantFiled: May 24, 2018Date of Patent: May 12, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-seung Lee, Dong-hyun Kim, Young-su Moon, Tae-gyoung Ahn
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Patent number: 10650779Abstract: An image processing apparatus includes: a signal receiver configured to receive an input image; an image processor configured to process the input image and generate an output image; a storage configured to store a first patch corresponding to a first pixel of the input image; and a controller configured to control the image processor to generate the output image by applying the first patch stored in the storage to the first pixel.Type: GrantFiled: September 5, 2017Date of Patent: May 12, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok-bong Yoo, Hyung-jun Lim, Gi-yeong Gim, Young-su Moon, Tae-gyoung Ahn
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Patent number: 10621710Abstract: A display apparatus is provided. The display apparatus according to an exemplary embodiment includes a display, and a processor configured to generate a second image and a third image where a dynamic range is expanded by respectively applying a first gain and a second gain to an input first image, generate a degraded image of the second image by applying a predetermined degradation model to the second image, based on a difference value between a pixel of the degraded second image and a pixel of the third image satisfying a predetermined condition, modify a pixel value of the second image based on the difference value, and output the second image where the pixel value is modified through the display.Type: GrantFiled: February 12, 2016Date of Patent: April 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gi-yeong Gim, Seung-hoon Han, Young-su Moon, Tae-gyoung Ahn, Woo-seok Kang
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Publication number: 20200104982Abstract: A display apparatus is provided. The display apparatus includes an input interface, a first storage, a display, and a processor. Pixel values corresponding to a predetermined number of lines in an image input through the input interface are stored in the first storage,. The processor acquires a first patch of a predetermined size by sampling a number of pixel values located in an outer region of a matrix centering about a specific pixel value from among the pixel values stored in the first storage, acquires a high-frequency component for the specific pixel value based on the acquired first patch, and processes the input image based on the high-frequency component. The display displays the processed image.Type: ApplicationFiled: December 3, 2019Publication date: April 2, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun LIM, Seok-bong YOO, Tae-gyoung AHN, Young-su MOON, Seong-hoon CHOI
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Patent number: 10554900Abstract: A display apparatus and a method of processing an image thereof are provided. The method includes identifying at least one area of an input image by analyzing a dynamic range of the input image, obtaining at least one mapping function based on dynamic range information and brightness information of the at least one area and dynamic range information of the display apparatus, obtaining at least one virtual image where the dynamic range of the input image is converted using the at least one mapping function, synthesizing the at least one virtual image and the input image, and outputting the synthesized image.Type: GrantFiled: July 17, 2017Date of Patent: February 4, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-yoon Kim, Seung-ho Park, Seong-hoon Choi, Ho-cheon Wey, Young-su Moon, Tae-gyoung Ahn
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Patent number: 10536713Abstract: A video processing method includes generating a first down-sampled block by down-sampling a first block included in a first frame; generating a plurality of second down-sampled blocks by down-sampling a second block included in a second frame; selecting one of the plurality of second down-sampled blocks by comparing the first down-sampled block and each of the plurality of second down-sampled blocks; and determining, based on the first down-sampled block and the one selected second down-sampled block, a motion vector whereby the second block points to the first block, wherein the plurality of second down-sampled blocks are generated using down-sampling methods that are different from each other with respect to samples of the second block.Type: GrantFiled: July 28, 2016Date of Patent: January 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-gyoung Ahn, Dong-yoon Kim, Yong-hoon Yu, Hyung-jun Lim, Seong-hoon Choi
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Patent number: 10515440Abstract: A display apparatus is provided. The display apparatus includes an input interface, a first storage, a display, and a processor. Pixel values corresponding to a predetermined number of lines in an image input through the input interface are stored in the first storage. The processor acquires a first patch of a predetermined size by sampling a number of pixel values located in an outer region of a matrix centering about a specific pixel value from among the pixel values stored in the first storage, acquires a high-frequency component for the specific pixel value based on the acquired first patch, and processes the input image based on the high-frequency component. The display displays the processed image.Type: GrantFiled: July 5, 2018Date of Patent: December 24, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-jun Lim, Seok-bong Yoo, Tae-gyoung Ahn, Young-su Moon, Seong-hoon Choi
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Publication number: 20190371268Abstract: An electronic device is provided. The electronic device includes a storage; and a processor configured to: identify, based on a luminance value of each pixel included in a global area of an image stored in the storage, a first cumulative distribution of the global area, identify, based on a luminance value of each pixel included in a local area of the image, a second cumulative distribution of the local area, correct the luminance value of each pixel included in the local area based on the first cumulative distribution and the second cumulative distribution to generate a corrected luminance value of each pixel included in the local area, and generate a corrected image signal based on the corrected luminance value of each pixel included in the local area.Type: ApplicationFiled: October 18, 2018Publication date: December 5, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bong-geun LEE, Tae-gyoung AHN, Soo-hong KIM
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Publication number: 20190362467Abstract: An electronic apparatus is provided. The electronic apparatus includes: a storage configured to store a plurality of filters each corresponding to a plurality of image patterns; and a processor configured to classify an image block including a target pixel and a plurality of surrounding pixels into one of the plurality of image patterns based on a relationship between pixels within the image block and to obtain a final image block in which the target pixel is image-processed by applying at least one filter corresponding to the classified image pattern from among the plurality of filters to the image block, wherein the plurality of filters are obtained by learning, through an artificial intelligence algorithm, a relationship between a plurality of first sample image blocks and a plurality of second sample image blocks corresponding to the plurality of first sample image blocks based on each of the plurality of image patterns.Type: ApplicationFiled: August 7, 2019Publication date: November 28, 2019Inventors: Hyun-seung LEE, Dong-hyun KIM, Young-su MOON, Tae-gyoung AHN