Method and device for controlling backlight brightness, and display device

    公开(公告)号:US11495183B2

    公开(公告)日:2022-11-08

    申请号:US17331922

    申请日:2021-05-27

    Abstract: A method of controlling backlight brightness, applicable to a display device including a backlight module having a plurality of dimming zones, includes: determining a target image display mode; determining a target filter core according to the target image display mode; obtaining initial backlight control data by acquiring initial backlight control values of respective dimming zones according to image data of respective image segments of a first image, wherein the respective image segments correspond to the respective dimming zones in a one-to-one correspondence; obtaining target backlight control data by performing smoothing-filtering on the initial backlight control data with the target filter core, wherein the target backlight control data comprises respective target backlight control values of the plurality of dimming zones; and controlling backlight brightness of the respective dimming zones according to the respective target backlight control values. A backlight brightness control device and a display device are further provided.

    Video processor, video processing method, display control system, and electronic device

    公开(公告)号:US12279069B2

    公开(公告)日:2025-04-15

    申请号:US18266579

    申请日:2020-12-21

    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.

    Image drawing method, display apparatus, and storage medium

    公开(公告)号:US12229919B2

    公开(公告)日:2025-02-18

    申请号:US17627498

    申请日:2021-03-25

    Abstract: An image drawing method, a display apparatus, and a storage medium, relates to the technical field of display. The method comprises: determining a gray-scale value of each of a plurality of target-pixels in a displayed image; determining a pixel quantity in each preset gray-scale level according to the gray-scale value of each of the plurality of target-pixels; representing a maximum quantity of a plurality of pixel quantities by a first numeral system, to read values in a preset digit range of the digit of the first numeral system corresponding to the maximum quantity, determining a proportional coefficient corresponding to the values, and according to a height of a histogram to be drawn, a gray-scale to be drawn and the proportion coefficient, drawing the histogram.

    Method for marking focused pixel, electronic device, storage medium, and chip

    公开(公告)号:US12033304B2

    公开(公告)日:2024-07-09

    申请号:US17533977

    申请日:2021-11-23

    CPC classification number: G06T5/50 G06T5/20 G06T5/70 G06T2207/20032

    Abstract: Provided is a method for marking a focused pixel. The method includes: in response to marking a focused pixel of a first image based on a focus threshold, adjusting the focus threshold in the case that an adjustment condition is satisfied; marking a focused pixel of a second image based on the adjusted focus threshold. The adjustment condition includes: a focus degree of the first image is less than a target focus degree, and/or, the focus degree of the first image is greater than the target focus degree. Moreover, a similarity between the first image and the second image is greater than a similarity threshold, and a difference between a focus degree of the second image and the target focus degree is less than a difference between the focus degree of the first image and the target focus degree.

    Video timing conversion method and device, and computer readable medium

    公开(公告)号:US11647151B2

    公开(公告)日:2023-05-09

    申请号:US17614346

    申请日:2021-01-13

    CPC classification number: H04N7/01

    Abstract: A video timing conversion method and a video timing conversion device, and a non-transitory computer-readable storage medium are provided. The video timing conversion method includes: analyzing an original timing signal in a form of a differential signal of an original video, to obtain original timing parameters; determining target timing parameters and a target clock signal parameter according to a format of a target video and the original timing parameters; wherein the target timing parameters include a data enabling period number, a field sync data valid row number and a refreshing frequency, which are the same as the data enabling period number, the field sync data valid row number and the refreshing frequency of the original timing parameters, respectively; generating a target timing signal in the form of the differential signal of the target video according to the target timing parameters and the target clock signal parameter.

    IMAGE DRAWING METHOD, DISPLAY APPARATUS, AND STORAGE MEDIUM

    公开(公告)号:US20220261971A1

    公开(公告)日:2022-08-18

    申请号:US17627498

    申请日:2021-03-25

    Abstract: An image drawing method, a display apparatus, and a storage medium, relates to the technical field of display. The method comprises: determining a gray-scale value of each of a plurality of target-pixels in a displayed image; determining a pixel quantity in each preset gray-scale level according to the gray-scale value of each of the plurality of target-pixels; representing a maximum quantity of a plurality of pixel quantities by a first numeral system, to read values in a preset digit range of the digit of the first numeral system corresponding to the maximum quantity, determining a proportional coefficient corresponding to the values, and according to a height of a histogram to be drawn, a gray-scale to be drawn and the proportion coefficient, drawing the histogram.

    DATA TRANSMISSION METHOD, INTERNET OF THINGS SYSTEM, ELECTRONIC DEVICE, AND STORAGE MEDIUM

    公开(公告)号:US20240163267A1

    公开(公告)日:2024-05-16

    申请号:US18284437

    申请日:2023-01-04

    CPC classification number: H04L63/045

    Abstract: A data transmission method, applied to a security platform in an IoT system, including: receiving a first request data packet including feature data and collection channel information corresponding to the feature data; matching the feature data in the first feature database; in response to feature information matched with the feature data existing in the first feature database, generating a first feedback data packet, and sending it to the service terminal, so that the service terminal performs operations according to the first feedback data packet; and generating a match success result data packet, performing an encryption operation on the match success result data packet, and sending an encrypted match success result data packet to the server, so that the server obtains the match success result data packet through a decryption operation, and performs a service recording according to the match success result data packet.

    Video processing device, video processing method, monitor apparatus, computer device, and medium

    公开(公告)号:US11889131B2

    公开(公告)日:2024-01-30

    申请号:US17773466

    申请日:2021-07-12

    CPC classification number: H04N21/2343 H04N5/93 H04N21/2662

    Abstract: Disclosed are a video processing device, a video processing method, a monitor apparatus, a computer device, and a computer-readable medium. The video processing device includes: a receiver, a normalization processor, a selector and an image processor. The receiver is configured to receive an original video image. The normalization processor includes a plurality of normalization sub-circuits each configured to perform format adjustment on the original video image to generate a video image in a target format. Different normalization sub-circuits perform the format adjustment in different manners. The selector is configured to output the video image generated by at least one of the normalization sub-circuits to the image processor according to a received selection instruction; and the image processor is configured to generate an image to be displayed from the received video image.

    Digital oscilloscope and oscillogram generation system

    公开(公告)号:US11874302B2

    公开(公告)日:2024-01-16

    申请号:US17418374

    申请日:2020-12-29

    CPC classification number: G01R13/0236 G01R13/0245

    Abstract: A digital oscilloscope includes a video input interface, a data processing system, a video output interface, and a clock system. The video input interface is configured to receive a digital video signal; the data processing system receives the digital video signal and processes the digital video signal to generate an oscillogram signal, which includes an oscillogram image and further includes one of a menu image and a frame image of the digital video signal; and the video output interface is connected to the data processing system, receives the oscillogram signal and outputs it to external terminals. The oscilloscope can display a variety of image information, with high intuitiveness, simplified structure, improved portability, and is convenient to use in outdoor places.

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