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公开(公告)号:US20230029179A1
公开(公告)日:2023-01-26
申请号:US17788360
申请日:2021-09-01
Inventor: Wenbin Chen , Rongjian Yan , Guangjun Song
IPC: G09G5/10
Abstract: A method and device of compensating a brightness for a display device and a method and device of driving a display device are provided. The method of compensating a brightness includes: acquiring display brightness data of multiple frames of pictures displayed after a display picture of the display device is switched from a first grayscale value to a second grayscale value; determining a brightness coefficient of each frame of picture according to the display brightness data; determining a reference picture and at least one frame of to-be-compensated picture according to the brightness coefficient; and determining a grayscale compensation value, so that a ratio of a display brightness of each frame of to-be-compensated picture displayed by the display device to a display brightness of the reference picture displayed by the display device is greater than or equal to a preset first brightness threshold.
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公开(公告)号:US11915058B2
公开(公告)日:2024-02-27
申请号:US17407145
申请日:2021-08-19
Applicant: BOE Technology Group Co., Ltd.
Inventor: Wenbin Chen , Yan Gao , Guannan Chen
IPC: G06F3/00 , G06F9/48 , G06F9/50 , H04N19/124 , H04N19/176
CPC classification number: G06F9/5066 , G06F9/485 , G06F9/505 , H04N19/124 , H04N19/176
Abstract: A video processing method and device, electronic equipment and a storage medium, which are applied to the technical field of computers. The method comprises: acquiring video data to be processed; generating video enhancement tasks corresponding to each video frame in the video data to be processed, the video enhancement task comprising a plurality of video enhancement subtasks; and simultaneously executing at least two different video enhancement subtasks of the plurality of video frames in a multi-thread concurrent manner, a single thread correspondingly executing one video enhancement subtask.
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公开(公告)号:US20220164934A1
公开(公告)日:2022-05-26
申请号:US17430840
申请日:2020-09-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yan GAO , Guannan Chen , Lijie ZHANG , Wenbin Chen
IPC: G06T5/50 , G06V10/774 , G06V10/82 , G06V10/40 , G06V10/80 , G06V10/776 , G06T3/40 , H04N7/015 , H04N19/42
Abstract: An image processing method and apparatus, a device, a video processing method and a storage medium are provided. The image processing method includes: receiving an input image; and processing the input image by using the convolutional neural network to obtain an output image. A definition of the output image is higher than a definition of the input image. Processing the input image by using the convolutional neural network to obtain the output image includes: performing feature extraction on the input image; concatenating the input image and the plurality of first images; performing the feature extraction on the first image group; fusing the plurality of second images and the plurality of first images; concatenating the input image and the plurality of third images to obtain a second image group; and performing the feature extraction on the second image group to obtain the output image.
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公开(公告)号:US12175632B2
公开(公告)日:2024-12-24
申请号:US17430840
申请日:2020-09-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yan Gao , Guannan Chen , Lijie Zhang , Wenbin Chen
IPC: G06T5/50 , G06T3/4046 , G06T3/4053 , G06V10/40 , G06V10/44 , G06V10/774 , G06V10/776 , G06V10/80 , G06V10/82 , H04N7/015 , H04N19/42
Abstract: An image processing method and apparatus, a device, a video processing method and a storage medium are provided. The image processing method includes: receiving an input image; and processing the input image by using the convolutional neural network to obtain an output image. A definition of the output image is higher than a definition of the input image. Processing the input image by using the convolutional neural network to obtain the output image includes: performing feature extraction on the input image; concatenating the input image and the plurality of first images; performing the feature extraction on the first image group; fusing the plurality of second images and the plurality of first images; concatenating the input image and the plurality of third images to obtain a second image group; and performing the feature extraction on the second image group to obtain the output image.
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公开(公告)号:US11983340B2
公开(公告)日:2024-05-14
申请号:US17486827
申请日:2021-09-27
Inventor: Zhaowei Yu , Qinhe Wei , Rongjian Yan , Wenbin Chen
IPC: H10K50/84 , G06F3/041 , H10K59/122 , H10K59/124 , H10K59/40 , H10K71/00 , H10K77/10
CPC classification number: G06F3/0412 , H10K50/84 , H10K59/122 , H10K59/124 , H10K59/40 , H10K71/00 , H10K77/111
Abstract: A display substrate is provided. The display substrate includes: a base substrate; a pixel defining layer disposed on the base substrate, wherein the pixel defining layer defines a plurality of sub-pixel areas and has a groove therein; and a touch structure disposed in the groove, wherein the touch structure is configured to provide a touch function.
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公开(公告)号:US11790846B2
公开(公告)日:2023-10-17
申请号:US17767061
申请日:2021-06-10
Inventor: Wenqiang Zhang , Rongjian Yan , Wenbin Chen
IPC: G09G3/3233 , G09G3/20 , G09G3/3291
CPC classification number: G09G3/3233 , G09G3/2003 , G09G3/3291 , G09G2320/0276 , G09G2320/0653 , G09G2320/0673
Abstract: A driving method of a display panel includes: determining a brightness band of the display panel, wherein brightness bands include a first brightness band to an Nth brightness band, maximum grayscale brightness of the first brightness band to the Nth brightness band decreases sequentially, and each brightness band includes three Gamma correction curves respectively corresponding to a first light emitting unit, a second light emitting unit, and a third light emitting unit each of an (N−M)th brightness band to the Nth brightness band also corresponds to at least one duty ratio; determining an input data voltage corresponding to at least one light emitting unit based on a Gamma correction curve that corresponds to the determined brightness band and an image to be displayed; and driving the display panel to display the image based on the determined input data voltage, or the determined input data voltage and the duty ratio.
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公开(公告)号:US11954822B2
公开(公告)日:2024-04-09
申请号:US17419350
申请日:2020-10-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Pablo Navarrete Michelini , Wenbin Chen , Hanwen Liu , Dan Zhu
IPC: G06T3/4046 , G06N3/08 , G06T3/4053 , G06T5/50
CPC classification number: G06T3/4046 , G06N3/08 , G06T3/4053 , G06T5/50
Abstract: An image processing method, an image processing device, a training method of a neural network, an image processing method based on a combined neural network model, a constructing method of a combined neural network model, a neural network processor, and a storage medium are provided. The image processing method includes: obtaining, based on an input image, initial feature images of N stages with resolutions from high to low, where N is a positive integer and N>2, performing, based on initial feature images of second to N-th stages, cyclic scaling processing on an initial feature image of a first stage, to obtain an intermediate feature image; and preforming merging processing on the intermediate feature image to obtain an output image. The cyclic scaling processing includes hierarchically-nested scaling processing of N−1 stages, and scaling processing of each stage includes down-sampling processing, concatenating processing, up-sampling processing, and residual link addition processing.
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公开(公告)号:US11721304B2
公开(公告)日:2023-08-08
申请号:US17788360
申请日:2021-09-01
Inventor: Wenbin Chen , Rongjian Yan , Guangjun Song
IPC: G09G5/10
CPC classification number: G09G5/10 , G09G2320/0233 , G09G2320/0276 , G09G2320/0285 , G09G2320/0626 , G09G2360/16
Abstract: A method and device of compensating a brightness for a display device and a method and device of driving a display device are provided. The method of compensating a brightness includes: acquiring display brightness data of multiple frames of pictures displayed after a display picture of the display device is switched from a first grayscale value to a second grayscale value; determining a brightness coefficient of each frame of picture according to the display brightness data; determining a reference picture and at least one frame of to-be-compensated picture according to the brightness coefficient; and determining a grayscale compensation value, so that a ratio of a display brightness of each frame of to-be-compensated picture displayed by the display device to a display brightness of the reference picture displayed by the display device is greater than or equal to a preset first brightness threshold.
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公开(公告)号:US11640786B2
公开(公告)日:2023-05-02
申请号:US17417153
申请日:2020-11-09
Inventor: Wenbin Chen , Rongjian Yan , Guangjun Song , Zhaowei Yu , Yamin Yang , Wenqiang Zhang
IPC: G09G5/10 , G09G3/3208
Abstract: A driving method includes, at a first display brightness value, inputting a pulse-width modulation signal with a duty ratio of X, and controlling a light-emitting driving current of a sub-pixel unit to be M, wherein X and M are obtained according to a first modulation rule; and at a second display brightness value, inputting the pulse-width modulation signal with a duty ratio of Y1, and controlling the light-emitting driving current of the sub-pixel unit to be N1, wherein the first display brightness value is greater than the second one, wherein, when the duty ratio and the light-emitting driving current corresponding to the second display brightness value are obtained according to the first modulation rule, the duty ratio corresponding to the second display brightness value is Y2, the light-emitting driving current corresponding to the second display brightness value is N2, Y1 is smaller than Y2, and N1 is greater than N2.
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