Abstract: The present disclosure provides a color correction method, including: in response to original color data of a pixel, converting the original color data into original color coordinates in an original color space; mapping the original color coordinates to a sampling point space to obtain a mapped point corresponding to the original color coordinates in the sampling point space, and determining, according to mapped coordinates of the mapped point, a plurality of reference point coordinates corresponding to the mapped coordinates; obtaining reference point addresses of the reference point coordinates, and simultaneously reading color data of the reference point coordinates according to the reference point addresses; and obtaining corrected color data of the pixel through an interpolation algorithm according to the color data of the reference point coordinates. The present disclosure further provides a Field Programmable Gate Array, a chip and a display device.

Abstract: A correction method for a color temperature curve includes: obtaining pixel values of a display device, and the pixel values including at least two first pixel values and second pixel values; obtaining at least two first standard pixel values according to the at least two first pixel values, and a color temperature value corresponding to each first standard pixel value being a standard color temperature value; determining at least one correction interval according to the at least two first standard pixel values and the second pixel values, and a correction interval including two first standard pixel values and at least two second pixel values therebetween; and correcting the at least two second pixel values to obtain at least two second standard pixel values according to the two first standard pixel values, and a color temperature value corresponding to each second standard pixel value being within a preset color temperature range.

Abstract: The present disclosure provides a data transmission method and device. The data transmission method is used for transmitting data between an advanced reduced instruction set computing machine (ARM) and a field programmable logic gate array (FPGA) via an Inter-Integrated Circuit (IIC) bus, comprising the following steps: receiving, by the FPGA, communication data transmitted by the ARM via the IIC bus, wherein the communication data comprises first address data, first content data and N second content data, N being an integer greater than 0, the first content data and the N second content data being arranged in sequence, and the first address data being address data corresponding to the first content data; and generating, by the FPGA, second address data corresponding to each of the second content data according to the sequence of the N second content data and the first address data.

Abstract: Disclosed are a target detection method based on a heterogeneous platform, a terminal device and a storage medium. A specific implementation solution is as follows: a first processor receives a video stream image, and is able to first determine a number of targets in an Nth-frame image when performing target detection on an (N+K)th-frame image in the video stream image; when the number of targets in the Nth-frame image is greater than or equal to a target threshold, the first processor is able to send the pre-processed (N+K)th-frame image to a second processor, so that the second processor cooperates with the first processor to complete target detection on the (N+K)th-frame image; and when the number of targets in the Nth-frame image is less than the target threshold, the first processor is able to perform target detection on the (N+K)th-frame image individually.

Abstract: A text processing method and apparatus, an electronic device, and a storage medium. The method includes: according to a coordinate value of each pixel in a text image, determining a plurality of center pixels of the text image and an adjacent pixel of each center pixel (S1); acquiring a coordinate value of each center pixel, a spatial offset of the adjacent pixel of each center pixel, and the width of a pixel processing area (S2); acquiring position information of each adjacent pixel according to the coordinate value of each center pixel, the spatial offset of the adjacent pixel of each center pixel, the width of the pixel processing area, and a preset vector calculation formula (S3); and acquiring a text of the text image according to the position information and a preset mask mapping relationship (S4).

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.

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.

Abstract: The present disclosure provides a dynamic local dimming display control method and apparatus, and a display device, and the method includes: determining a grayscale statistical function of each display partition according to a grayscale of an image to be displayed; obtaining a grayscale control parameter of each display partition, where the grayscale control parameter is related to an overflow rate; calculating a backlight control signal of each backlight partition according to the grayscale control parameter and the grayscale statistical function of each display partition; determining a compensated grayscale value according to the backlight control signal of each backlight partition and a backlight diffusion model; and performing image display according to the compensated grayscale value. The present disclosure can ensure that a pixel overflow rate in pixel compensation is not greater than a preset value.

Abstract: The present disclosure provides a data transmission method and device. The data transmission method is used for transmitting data between an advanced reduced instruction set computing machine (ARM) and a field programmable logic gate array (FPGA) via an Inter-Integrated Circuit (IIC) bus, comprising the following steps: receiving, by the FPGA, communication data transmitted by the ARM via the IIC bus, wherein the communication data comprises first address data, first content data and N second content data, N being an integer greater than 0, the first content data and the N second content data being arranged in sequence, and the first address data being address data corresponding to the first content data; and generating, by the FPGA, second address data corresponding to each of the second content data according to the sequence of the N second content data and the first address data.

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.

Abstract: A correction method for a color temperature curve includes: obtaining pixel values of a display device, and the pixel values including at least two first pixel values and second pixel values; obtaining at least two first standard pixel values according to the at least two first pixel values, and a color temperature value corresponding to each first standard pixel value being a standard color temperature value; determining at least one correction interval according to the at least two first standard pixel values and the second pixel values, and a correction interval including two first standard pixel values and at least two second pixel values therebetween; and correcting the at least two second pixel values to obtain at least two second standard pixel values according to the two first standard pixel values, and a color temperature value corresponding to each second standard pixel value being within a preset color temperature range.

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.

Abstract: A timing controller, a display driving method, and a display device are provided. The timing controller includes a signal acquisition module configured to acquire a target-frequency control signal and send the target-frequency control signal to a clock module and an output module; a clock module configured to generate a corresponding clock signal according to the target-frequency control signal, and send the clock signal to the output module; and an output module configured to output a driving signal of the target frequency to a driving circuit according to the clock signal, such that the driving circuit drives a display panel to display according to the target frequency.

Abstract: A method for detecting a target object in an image is described. The method includes obtaining an image to be detected, determining a first layer of an image pyramid as a current layer, building an image feature data set of the current layer according to the image to be detected, and detecting the target object therefrom. In response to detecting the target object, the method includes stopping the detection and outputting the detected target object; in response to not detecting the target object and the number of layers of the image pyramid not reaching a threshold for the number of layers, determining a next layer of the current layer as the current layer and returning to the building the image feature data set of the current layer according to the image to be detected and detecting the target object therefrom.

Abstract: Embodiments of the disclosure provide a video image processing method and apparatus thereof, and a display device, relate to the field of image processing technology, and in particular, and can solve the problem in the existing video image processing methods that real-time processing of a video image cannot be achieved due to large computational complexity. The video image includes multiple frames of image, and the method includes: obtaining a brightness characterization parameter representing image brightness for a current frame of image; obtaining a ratio of a brightness value of each input pixel in the current frame of image to the brightness characterization parameter; and obtaining a product of the ratio and a numerical value (M+1), wherein M is a maximum possible pixel brightness value of the current frame of image, and taking the product as a brightness value of an output pixel of the current frame of image. The invention can achieve contrast enhancement of a video image.

Abstract: A timing controller, a display driving method, and a display device are provided. The timing controller includes a signal acquisition module configured to acquire a target-frequency control signal and send the target-frequency control signal to a clock module and an output module; a clock module configured to generate a corresponding clock signal according to the target-frequency control signal, and send the clock signal to the output module, and an output module configured to output a driving signal of the target frequency to a driving circuit according to the clock signal, such that the driving circuit drives a display panel to display according to the target frequency.

Abstract: A method for detecting a target object in an image is described. The method includes obtaining an image to be detected, determining a first layer of an image pyramid as a current layer, building an image feature data set of the current layer according to the image to be detected, and detecting the target object therefrom. In response to detecting the target object, the method includes stopping the detection and outputting the detected target object; in response to not detecting the target object and the number of layers of the image pyramid not reaching a threshold for the number of layers, determining a next layer of the current layer as the current layer and returning to the building the image feature data set of the current layer according to the image to be detected and detecting the target object therefrom.

Abstract: Embodiments of the disclosure provide a video image processing method and apparatus thereof, and a display device, relate to the field of image processing technology, and in particular, and can solve the problem in the existing video image processing methods that real-time processing of a video image cannot be achieved due to large computational complexity. The video image includes multiple frames of image, and the method includes: obtaining a brightness characterization parameter representing image brightness for a current frame of image; obtaining a ratio of a brightness value of each input pixel in the current frame of image to the brightness characterization parameter; and obtaining a product of the ratio and a numerical value (M+1), wherein M is a maximum possible pixel brightness value of the current frame of image, and taking the product as a brightness value of an output pixel of the current frame of image. The invention can achieve contrast enhancement of a video image.