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公开(公告)号：US20220201242A1
公开(公告)日：2022-06-23
申请号：US17278403
申请日：2020-05-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunhua LU , Ran DUAN , Guannan CHEN , Lijie ZHANG , Hanwen LIU
Abstract: The present disclosure relates to the field of information display, and specifically to a method, device, computer readable storage medium, and electronic device for video frame interpolation. The method comprises: obtaining, based on two input frames, two initial optical flow maps corresponding to the two input frames; optimizing the initial optical flow maps to obtain target optical flow maps; obtaining an interpolation frame kernel, two depth maps and two context feature maps based on the two input frames; obtaining an output frame using a frame synthesis method based on the target optical flow maps, the depth maps, the context feature maps, and the interpolation frame kernel.
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公开(公告)号：US20220172315A1
公开(公告)日：2022-06-02
申请号：US17355670
申请日：2021-06-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ran DUAN
Abstract: An image processing method and an image processing device are provided. The image processing method includes: acquiring an input image; extracting first and second pixel groups in the input image, wherein the first pixel group comprises first pixels with different positions, and the second pixel group comprises second pixels with different positions, the positions of the first pixels are different from the positions of the second pixels, the number of the first pixels are equal to the number of the second pixels, and the position of each first pixel in the first pixel group corresponds to the position of a respective second pixel in the second pixel group; when a preset similarity condition is satisfied between the first pixel and the respective second pixel, determining a first processing result of the first pixel as a second processing result of the respective second pixel.
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公开(公告)号：US20190007229A1
公开(公告)日：2019-01-03
申请号：US15945031
申请日：2018-04-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ran DUAN
Abstract: A device for controlling electrical appliances is described, which includes a projector configured to project a graphical interface having a plurality of image areas representing different electrical appliances respectively; a camera configured to obtain a first image including an operation action of a user on the graphical interface; and a controller configured to determine a target image area and a control instruction corresponding to the operation action according to said first image and to send said control instruction to an electrical appliance corresponding to the target image area.
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公开(公告)号：US20180188034A1
公开(公告)日：2018-07-05
申请号：US15698166
申请日：2017-09-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ran DUAN
CPC classification number: G01C21/206 , G01S1/68 , G08B7/062 , H04W4/024
Abstract: An escape route generating method, device and system. The escape route generating method includes: acquiring an initial route map by identifying identification information of an identification node; receiving fire parameter information; generating an escape route according to the fire parameter information and the initial route map; and providing the escape route.
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公开(公告)号：US20250037255A1
公开(公告)日：2025-01-30
申请号：US18282589
申请日：2022-10-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure provides a defective-spot detection model training method, a defective-spot detection method and a defective-spot restoration method. The defective-spot detection model training method includes: obtaining a first training data set and a second training data set; generating a transparent layer based on a resolution of the sample detection image; replacing an image in a certain region of the transparent layer based on at least one of the plurality of frames of sample defective-spot images to generate a frame of transparent mask; generating a sample training image with a defective-spot based on the frame of transparent mask and the sample detection image; and processing the sample detection image by using the at least one of the plurality of frames of sample defective-spot images to generate a frame of sample training image.
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Patent Agency Ranking
16.发明公开公开(公告)号：US20240187549A1
公开(公告)日：2024-06-06
申请号：US17638098
申请日：2021-01-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lihua GENG , Xitong MA , Ran DUAN , Xiaodong SHI
IPC: H04N7/01
CPC classification number: H04N7/0127
Abstract: An image transmission device includes: a frequency detector configured to detect a frame rate of an image frame and output a frequency switching mark signal when detecting that the frame rate changes; a frequency configuration device configured to output a first configuration signal according to a safe frequency step value in response to the frequency switching mark signal; a frequency processor configured to output a reference clock signal, adjust a frequency of the output reference clock signal repeatedly according to the first configuration signal, and until a frequency of an adjusted reference clock signal is substantially equal to a frequency of a reference clock signal corresponding to a changed frame rate, end adjustment; and an image frame transmitter configured to convert a format of the image frame into a format corresponding to the image frame transmitter according to the adjusted reference clock signal, and output the format-converted image frame.
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17.发明公开公开(公告)号：US20240106977A1
公开(公告)日：2024-03-28
申请号：US18266579
申请日：2020-12-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lihua GENG , Congrui WU , Xitong MA , Ran DUAN , Youxiang XIA
IPC: H04N7/01 , H04N5/265 , H04N21/43 , H04N21/433
CPC classification number: H04N7/0125 , H04N5/265 , H04N7/0127 , H04N21/4302 , H04N21/4331
Abstract: Provided is a video processor. The video processor includes: a receiving module, configured to receive source video display data and parse the source video display data as valid video display data; a pre-processing module, configured to generate valid video display data in a predetermined video format; an image quality processing module, configured to adjust image quality parameters to output a first video screen; a post-processing module, configured to extract video parameters, generate a blended screen, and blend the blended screen on the first video screen; and a video output module, configured to perform data format conversion on valid video display data of the first video screen and valid video display data of the blended screen to encapsulate as output video display data, and output the output video display data to an external display to blend the blended screen on the first video screen.
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公开(公告)号：US20230336699A1
公开(公告)日：2023-10-19
申请号：US18044398
申请日：2021-11-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ran DUAN , Lihua GENG , Xian WANG
CPC classification number: H04N9/646 , G06T11/001 , G06T3/40 , G06T5/001 , H04N9/67 , H04N7/0117 , G06T2207/10024 , G06T2207/20021 , G06T2207/10016
Abstract: A video processing method includes: obtaining a video signal, a color gamut range of the video signal including at least two color zones, each of the color zones corresponding to a set of correction data; performing chromatic calibration on the video signal, including correcting image data of the video signal in a color zone using a set of correction data corresponding to the color zone; and outputting the video signal that has undergone the chromatic calibration.
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公开(公告)号：US20230273760A1
公开(公告)日：2023-08-31
申请号：US18016430
申请日：2021-11-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lihua GENG , Xitong MA , Ran DUAN , Xiaodong SHI
Abstract: An image processing method includes: using image data of a first image as image data of a base region, wherein the first image has a first resolution; and generating, based on the image data of the first image, image data of an extended region according to extension policies, so as to obtain image data of a second image including the image data of the base region and the image data of the extended region, wherein the second image has a second resolution, and the first resolution is less than the second resolution.
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公开(公告)号：US20220377265A1
公开(公告)日：2022-11-24
申请号：US17771941
申请日：2021-07-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: Embodiments of the disclosure provide a method for detecting bad points in a video, including: performing extreme filtering respectively on first, second and third frames of images which are sequentially and continuously in the video to obtain first, second and third filtered images, respectively; wherein the extreme filtering is one of maximum filtering and minimum filtering; determining first and second difference images according to the first, second and third filtered images; determining a candidate image according to the first and second difference images; and determining that at least part of points in the second frame of image corresponding to the valid point in the candidate image are bad points. The embodiment of the disclosure also provides a device and a computer-readable medium for detecting bad points in the video.
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