Abstract: A display control method, including: determining first backlight feature values of respective backlight partitions of a backlight module, according to first pixel data of respective pixels in an image to be displayed; determining backlight driving values of light sources in the respective backlight partitions, according to the first backlight feature values of the respective backlight partitions; determining second backlight feature values of the respective backlight partitions, according to a backlight diffusion factor group set in advance and first backlight feature values of the respective backlight partitions, where the backlight diffusion factor group includes N×N backlight diffusion factors, and N is a positive integer; and compensating the first pixel data of the respective pixels in the image to be displayed, according to the second backlight feature values of the respective backlight partitions, to obtain compensated second pixel data for displaying.

Abstract: A splicing display screen includes: a gray scale compensation circuit; and display panels spliced together and each divided into display areas. The gray scale compensation circuit includes: a sampling module, configured to sample, according to a preset sequence order, frame image data in a video frame sequence to obtain current frame image data; and a processor, where the processor is configured to determine initial gray scale compensation data according to first gray scale data of each pixel in the current frame image data and a pre-generated gray scale compensation data table; determine a gray scale compensation coefficient of each display area; determine target gray scale compensation data according to the gray scale compensation coefficient and the initial gray scale compensation data; and perform, according to the target gray scale compensation data, gray scale compensation on the current frame image data to obtain compensated frame image data.

Abstract: Example embodiments relate to a surgical platform positioning system, a pose information determining method and a device. The system includes a positioning module, at least one surgical platform, and at least one pose acquisition module. The at least one pose acquisition module is configured to be mounted on a measured object, acquire the initial pose information of the measured object, and send the initial pose information to the positioning module. The measured object includes at least one surgical platform or includes the positioning module and at least one surgical platform. The positioning module is configured to receive the initial pose information sent by the pose acquisition module and determine the target pose information of each measured object in the same space based on the initial pose information.

Abstract: A splicing display screen includes: a gray scale compensation circuit; and display panels spliced together and each divided into display areas. The gray scale compensation circuit includes: a sampling module, configured to sample, according to a preset sequence order, frame image data in a video frame sequence to obtain current frame image data; and a processor, where the processor is configured to determine initial gray scale compensation data according to first gray scale data of each pixel in the current frame image data and a pre-generated gray scale compensation data table; determine a gray scale compensation coefficient of each display area; determine target gray scale compensation data according to the gray scale compensation coefficient and the initial gray scale compensation data; and perform, according to the target gray scale compensation data, gray scale compensation on the current frame image data to obtain compensated frame image data.

Abstract: A display apparatus includes a gray scale compensation apparatus including a sampling module configured to sample frame image data in a video frame sequence, to obtain current frame image data, and a processor configured to: determine initial gray scale compensation data according to first gray scale data of each pixel in current frame image data and a pre-generated gray scale compensation data table; acquire gray scale compensation information of an image data set corresponding to current frame image data, including gray scale compensation coefficients of the current frame image data in respective display regions; determine target gray scale compensation data according to the gray scale compensation coefficients of the current frame image data in respective display regions and the initial gray scale compensation data; and perform gray scale compensation on the current frame image data according to the target gray scale compensation data, to obtain compensated frame image data.

Abstract: A display apparatus includes a gray scale compensation apparatus including a sampling module configured to sample frame image data in a video frame sequence, to obtain current frame image data, and a processor configured to: determine initial gray scale compensation data according to first gray scale data of each pixel in current frame image data and a pre-generated gray scale compensation data table; acquire gray scale compensation information of an image data set corresponding to current frame image data, including gray scale compensation coefficients of the current frame image data in respective display regions; determine target gray scale compensation data according to the gray scale compensation coefficients of the current frame image data in respective display regions and the initial gray scale compensation data; and perform gray scale compensation on the current frame image data according to the target gray scale compensation data, to obtain compensated frame image data.

Abstract: The present disclosure provides a method of encryption and decryption initialization configuration, an edge port, an encryption and decryption platform and a security system, relating to the technical field of data processing. The method includes: generating, by an edge port, a public key and a private key of an asymmetric encryption and decryption algorithm, and transmitting the public key to an encryption and decryption platform; encrypting, by the edge port, key-related data of the symmetric encryption and decryption algorithm required by the encryption and decryption platform via the private key of the asymmetric encryption and decryption algorithm, and transmitting same to the encryption and decryption platform; and decrypting to obtain, by the encryption and decryption platform, the key-related data according to the public key of the asymmetric encryption and decryption algorithm, and completing initialization configuration.

Abstract: An integrated controller for motion control and motor control comprises a first processor, a second processor, a cache and a shared memory. The first processor is configured to run an operating system and at least perform motion control. The second processor is configured to at least perform motor control and normally not run the operating system. The cache is coupled to the first processor and the second processor. The shared memory maps onto the cache. The first processor and the second processor are configured to share the shared memory and accordingly perform data transmission via the cache during the periods of motion control and motor control. The first processor, the second processor and the cache are integrated in a same chip.

Abstract: An integrated controller for motion control and motor control comprises a first processor, a second processor, a cache and a shared memory. The first processor is configured to run an operating system and at least perform motion control. The second processor is configured to at least perform motor control and normally not run the operating system. The cache is coupled to the first processor and the second processor. The shared memory maps onto the cache. The first processor and the second processor are configured to share the shared memory and accordingly perform data transmission via the cache during the periods of motion control and motor control. The first processor, the second processor and the cache are integrated in a same chip.

Abstract: An integrated controller for motion control and motor control comprises a first processor, a second processor, a cache and a shared memory. The first processor is configured to run an operating system and at least perform motion control. The second processor is configured to at least perform motor control and normally not run the operating system. The cache is coupled to the first processor and the second processor. The shared memory maps onto the cache. The first processor and the second processor are configured to share the shared memory and accordingly perform data transmission via the cache during the periods of motion control and motor control. The first processor, the second processor and the cache are integrated in a same chip.

Abstract: An electrolyte membrane (11) includes: a filler (20); and a polymer electrolyte (22). A thickness of the electrolyte membrane (11) is 1 micrometer to 500 micrometer, a moisture content thereof is 10 mass % or more, and a ratio of a swelling ratio in a membrane surface direction (xy) thereof and a swelling ratio in a membrane thickness direction (z) thereof satisfies following Expression 1: where Lambda z is the swelling ratio in the membrane thickness direction (z), and Lambda xy is the swelling ratio in the membrane surface direction (xy). ? ? ? xy ? ? ? z < 0.3 [ Math .

Abstract: An electrolyte membrane (11) includes: a filler (20); and a polymer electrolyte (22). A thickness of the electrolyte membrane (11) is 1 micrometer to 500 micrometer, a moisture content thereof is 10 mass % or more, and a ratio of a swelling ratio in a membrane surface direction (xy) thereof and a swelling ratio in a membrane thickness direction (z) thereof satisfies following Expression 1: where Lambda z is the swelling ratio in the membrane thickness direction (z), and Lambda xy is the swelling ratio in the membrane surface direction (xy). ? ? ? xy ? ? ? z < 0.3 [ Math .

Abstract: Provided are an electrocatalyst for a fuel cell having a large amount of catalyst metal particles supported on a carbon support and maintaining a high-dispersity state and a method of preparing the same. The electrocatalyst is characterized by being composed of catalyst metal particles having a secondary structure composed of at least one kind of primary metal particles having a particle diameter of 0.1 to 1.5 nm, or the catalyst metal particles having a core-shell structure of which the core is composed of metal particles having a particle diameter of 2.0 nm or less, and carbon particles. The method of preparing the electrocatalyst, including a first loading step for producing the core of catalyst metal particles wherein distances between the particles are controlled to 2.0 nm or less on a support and a second loading step for growing the catalyst metal particles, enables the amount of metal loaded on the support to increase without causing aggregation of the catalyst metal particles in the end.