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    Computer-implemented image-processing method, image-enhancing convolutional neural network, and computer product
    2.
    发明授权
    Computer-implemented image-processing method, image-enhancing convolutional neural network, and computer product 有权

    公开(公告)号：US12211185B2

    公开(公告)日：2025-01-28

    申请号：US17434729

    申请日：2020-11-27

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Dan Zhu ,  Guannan Chen ,  Ran Duan

    IPC: G06T5/73 ,  G06N3/045 ,  G06N3/0464 ,  G06N3/08

    Abstract: A computer-implemented image-processing method is provided. The computer-implemented image-processing method includes obtaining a pair of training samples including a training image having a first degree of sharpness and a reference image having a second degree of sharpness, the second degree greater than the first degree, at least portions of the training image and the reference image in a same pair having same contents; inputting the training image to the image-enhancing convolutional neural network to generate a training enhanced image; inputting the training enhanced image into an edge detector; generating, by the edge detector, a plurality of first edge maps; inputting the reference image into the edge detector; generating, by the edge detector, a plurality of second edge maps; and tuning parameters in the image-enhancing convolutional neural network to minimize at least the one or more first losses and a second loss.

    Method and system for displaying corrected image, and display device
    3.
    发明授权
    Method and system for displaying corrected image, and display device 有权

    公开(公告)号：US11915667B2

    公开(公告)日：2024-02-27

    申请号：US17361399

    申请日：2021-06-29

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xian Wang ,  Ran Duan ,  Masakazu Okamura

    IPC: G09G5/00 ,  G09G5/06 ,  G09G3/20

    CPC classification number: G09G5/06 ,  G09G3/2003 ,  G09G2320/0666 ,  G09G2360/16

    Abstract: Provided is a method for displaying an image including: acquiring a to-be-displayed image; correcting the to-be-displayed image based on a target look-up table, wherein in the target look-up table, at least one of the original pixel values and a corresponding corrected pixel value satisfy: an absolute value of a difference between a first chroma and a second chroma is less than or equal to a chroma difference threshold, wherein the first chroma is a chroma of a first pixel, a pixel value of the first pixel being acquired by converting the original pixel value, and the second chroma is a chroma of a second pixel displayed by the display device, a pixel value of the second pixel being acquired by converting the corrected pixel value; and displaying a corrected to-be-displayed image.

    Backlight driving circuit, backlight module, display device and backlight driving method
    4.
    发明授权
    Backlight driving circuit, backlight module, display device and backlight driving method 有权

    公开(公告)号：US11074872B2

    公开(公告)日：2021-07-27

    申请号：US16887536

    申请日：2020-05-29

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Enhui Guan ,  Ran Duan ,  Lihua Geng ,  Xianzhen Li ,  Qingguo Yang

    IPC: G09G3/34

    Abstract: A backlight driving circuit includes a pulse width modulator, at least one time-delay sub-circuit and a driving sub-circuit. The pulse width modulator is configured to transmit a control signal including a plurality of pulses. The at least one time-delay sub-circuit is configured to delay at least one pulse of the control signal from the pulse width modulator that is transmitted to the at least one time-delay sub-circuit by a set time. The driving sub-circuit is coupled to the at least one time-delay sub-circuit, and the driving sub-circuit is configured to drive at least one of a plurality of light-emitting devices in a backlight module to be turned on or off according to a control signal from the at least one time-delay sub-circuit obtained after the at least one pulse is delayed.

    Playing method and playing system
    5.
    发明授权
    Playing method and playing system 有权

    公开(公告)号：US10631038B2

    公开(公告)日：2020-04-21

    申请号：US15933764

    申请日：2018-03-23

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Ran Duan

    IPC: H04N21/436 ,  G06K9/00 ,  H04N21/43 ,  H04N21/41 ,  H04N21/4363

    Abstract: The present application provides a playing method and a playing system. The playing method includes: playing display contents by a first display device; upon receipt of a storage instruction, recording playing position information and sending matching information to a second display device by the first display device; searching, by the second display device, for the first display device that sends the matching information upon receipt of a resuming instruction; pairing the first display device with the second display device; transmitting, by the first display device, the playing position information to the second display device; and resuming, by the second display device, playing the display contents according to the playing position information.

    Display control device, display control method, and display apparatus
    6.
    发明授权
    Display control device, display control method, and display apparatus 有权

    公开(公告)号：US10593298B2

    公开(公告)日：2020-03-17

    申请号：US15576423

    申请日：2017-06-23

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Ran Duan

    IPC: G09G5/36 ,  G06T15/00 ,  G06T3/40

    Abstract: A display control device is disclosed herein, which includes a plurality of data generating chips and a plurality of data processing chips, corresponding to one another in a one-to-one relationship. The plurality of data generating chips are configured to receive an image signal. The image signal includes a plurality of image region signals, each corresponding to a different region of an image frame. Each data generating chip is configured to receive, and to conduct data processing to, at least one image region signal to generate image region data, and to send the image region data to a corresponding data processing chip. Each data processing chip is configured to conduct image processing to the image region data from a corresponding data generating chip to generate an image output signal, and to output the image output signal. On this basis, a display method and a display apparatus are also disclosed.

    Joining Control Method, Device and Joined Screen System
    7.
    发明申请
    Joining Control Method, Device and Joined Screen System 审中-公开

    公开(公告)号：US20180267758A1

    公开(公告)日：2018-09-20

    申请号：US15542154

    申请日：2016-08-16

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Tianyue Zhao ,  Ran Duan

    IPC: G06F3/147 ,  G06T3/00

    CPC classification number: G06F3/147 ,  G06F3/1446 ,  G06T3/0068 ,  G06T2200/32 ,  G09G3/006 ,  G09G3/20 ,  G09G2300/026 ,  G09G2356/00 ,  G09G2360/145

    Abstract: A joining control method, a joining control device and a joined screen system, the joining control method including: outputting a first test image data to a joined screen according to the correspondence between images and ports; acquiring feedback image data, the feedback image being an image which is displayed on the joined screen and corresponds to the first test image data; if a feedback sub-image in the feedback image is identical to a test sub-image in the first test image but in a different position, establishing correspondence between the output port of the test sub-image data and the position of the feedback sub-image so as to update the correspondence between the images and the ports. The method can automatically adjust the output signal of the output ports, such that the joined screen can display the correct picture without the need to repeatedly plug and unplug cables.

    Display apparatus, display method, and computer-program product
    9.
    发明授权
    Display apparatus, display method, and computer-program product 有权

    公开(公告)号：US12229363B2

    公开(公告)日：2025-02-18

    申请号：US18257348

    申请日：2022-09-28

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Xitong Ma ,  Xingxing Zhao ,  Tao Li ,  Ran Duan ,  Yangyang Zhang

    IPC: G06F3/14 ,  G06F3/041 ,  G06F3/04883 ,  G09G3/34

    Abstract: A display apparatus is provided. The display apparatus includes a touch device configured to detect a touch; a first processor configured to receive data of first touch trajectory sequence information when a touch occurs, the first touch trajectory sequence information comprising information of at least one first touch trajectory point; and generate a first image data comprising data of a first touch trajectory image, wherein the data of the first touch trajectory image is generated based on the first touch trajectory sequence information; and a second processor configured to receive data of second touch trajectory sequence information when the touch occurs, the second touch trajectory sequence information comprising information of at least one second touch trajectory point; receive the first image data from the first processor; and generate a third image data based on the first image data and at least a portion of the second touch trajectory sequence information.

    Video enhancement method and apparatus, and electronic device and storage medium
    10.
    发明授权
    Video enhancement method and apparatus, and electronic device and storage medium 有权

    公开(公告)号：US12190472B2

    公开(公告)日：2025-01-07

    申请号：US17630784

    申请日：2021-03-10

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Dan Zhu ,  Ran Duan ,  Guannan Chen

    IPC: G06T5/50 ,  G06T3/4046 ,  G06T3/4053

    Abstract: A video enhancement method and apparatus, an electronic device, and a storage medium are described. The method comprises: extracting features from M frames of images, so as to obtain at least one first-scale image feature (S310); for each first-scale image feature, performing N-level down-sampling processing on the first-scale image feature, so as to obtain a second-scale image feature (S320); performing N-level up-sampling processing on the second-scale image feature, so as to obtain a third-scale image feature (S330), wherein the input of ith-level up-sampling processing is an image feature obtained after performing superimposition processing on the output of (N+1−i)th-level down-sampling processing and the output of (i−1)th-level up-sampling processing, and the multiple of jth-level up-sampling is the same as the multiple of (N+1−j)th-level down-sampling; and performing superimposition processing on the third-scale image feature and the first-scale image feature.

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