Abstract: The present disclosure provides a brain-like computing chip and a computing device. The brain-like computing chip includes is a many-core system composed of one or more functional cores, and data transmission is performed between the functional cores by means of a network-on-chip. The functional core includes at least one neuron processor configured to compute various neuron models, and at least one coprocessor coupled to the neuron processor and configured to perform an integral operation and/or a multiply-add-type operation; and the neuron processor is capable of calling the coprocessor to perform the multiply-add-type operation.

Abstract: The disclosure relates to a self-adaptive leakage value neuron information processing method and system. The method includes: receiving front end pulse neuron output information; reading current pulse neuron information, wherein the current pulse neuron information includes self-adaptive membrane potential leakage information; calculating current pulse neuron output information according to the front end pulse neuron output information and the current pulse neuron information; updating the self-adaptive membrane potential leakage information according to the current pulse neuron output information; outputting the current pulse neuron output information.

Abstract: A touch panel and an LED display screen comprises at least one touch-sensing layer, at least one pixel lamp spacer layer and at least one dielectric substrate layer, sequentially laminated. The touch-sensing layer includes a plurality of sensing units arranged at intervals and at least one grounding unit, wherein the sensing unit is not in contact with the ground unit; the ground unit is independently arranged or connected to any number of other ground units; the sensing unit is configured to sense a touch-control signal. The ground unit is configured to be grounded. A plurality of through-holes arranged at intervals are provided on the pixel lamp spacer layer, the through-hole is provided below the gap of the touch-sensing layer, and the through-holes are configured for receiving LED pixel lamps. The dielectric substrate layer is provided with several via holes.

Abstract: A touch panel and an LED display screen comprises at least one touch-sensing layer, at least one pixel lamp spacer layer and at least one dielectric substrate layer, sequentially laminated. The touch-sensing layer includes a plurality of sensing units arranged at intervals and at least one grounding unit, wherein the sensing unit is not in contact with the ground unit; the ground unit is independently arranged or connected to any number of other ground units; the sensing unit is configured to sense a touch-control signal. The ground unit is configured to be grounded. A plurality of through-holes arranged at intervals are provided on the pixel lamp spacer layer, the through-hole is provided below the gap of the touch-sensing layer, and the through-holes are configured for receiving LED pixel lamps. The dielectric substrate layer is provided with several via holes.

Abstract: A virtual image processing method, an image processing system, and a storage medium used for realizing virtualization of a captured picture, the method includes the following steps: acquiring a reference position and a real-time position of a camera device; calculating a movement parameter of the real-time position relative to the reference position; virtualizing, according to the movement parameter, the position and the posture of the virtual camera device, and calculating a perspective parameter of a scene to be replaced with respect to the virtualized virtual camera device; encoding a virtual scene according to the perspective parameter; and using the encoded virtual scene to replace the scene to be replaced.

Abstract: An LED display screen, includes: a frame, modules disposed at a side of the frame and including an LED light board, and a non-display surface of the LED light board is provided with a first socket configured to be connected with a board-to-board connector; and a power box disposed inside the frame and located between the modules, with a control board connected with the LED light board via the board-to-board connector; wherein the control board comprises a main control board and at least one sub-control board, a surface of the sub-control board facing a surface of the LED light board is provided with a second socket configured to match with the first socket, each of the sub-control boards is fixed by an elastic mechanism and a bottom surface of the power box opposite to the LED light board.

Abstract: Provided are a neural network weight discretizing method, system and device, and a readable storage medium, the method involving: acquiring a weight value range and the number of discrete weight states; acquiring a weight state of the previous time step and a weight increment of the current time step; according to the weight increment of the current time step, using a directional function to acquire a state switching direction; and according to the weight state at the previous time step, the weight increment at the current time step, the state switching direction, the weight value range and the number of discrete weight states, acquiring a weight state of the current time step. The method ensures that the weight values are always constrained in the same discrete-state space, without the need for storing an additional virtual continuous-state implicit weight.

Abstract: The present disclosure relates to a method, system and computer device for converting neural network information. The method comprises receiving neuron input information input by a preceding neuron, comprising receiving artificial neuron input information input by a preceding artificial neuron or receiving spiking neuron input information input by a preceding spiking neuron; converting the artificial neuron input information into spiking neuron conversion information through a preset artificial information conversion algorithm according to the artificial neuron input information input by the preceding artificial neuron; or converting the spiking neuron input information into artificial neuron conversion information through a preset spiking information conversion algorithm according to the spiking neuron input information input by the preceding spiking neuron; and outputting the spiking neuron conversion information or the artificial neuron conversion information.

Abstract: The present invention is applicable to the field of an LED display screen, and provides a method and device for separating a rebroadcasted video from a live display video, the method includes: feeding the rebroadcasted video and the live display video of the LED display screen into a video processor by two paths; completing an aliasing of two paths of the videos through the video processor, sending the aliased video to a LED display control system; controlling by the LED display control system a video ratio of the two paths of the videos, utilizing a high-speed camera to synchronously capture the rebroadcasted video according to the video ratio; receiving by the LED display control system the rebroadcasted video synchronously captured by the high-speed camera; and transforming by the LED display control system through image processing the rebroadcasted video into a video which is to be rebroadcasted to different countries.

Abstract: The invention is suitable for the LED virtual reality technology field, and provides an LED virtual arrangement and an LED display with the LED virtual arrangement, which aims to solve the problem existing in the prior art that the gap between the lamps in the unit area of the four lamps virtual arrangement is large, which results in poor heat dissipation effect. The LED virtual arrangement includes a first three-color LED unit and a second three-color LED unit; each of the first three-color LED unit and the second three-color LED units respectively comprises a red LED, a green LED and a blue LED, and the red LED, green LED and blue LED are respectively arranged at the three vertices of a right triangle. That the red LED, green LED and blue LED are arranged at the three vertices of the triangle, effectively reduce the number of LED lamps, increase the gap between the LEDs in the unit area, and is conducive to improving the heat dissipation effect.

Abstract: The present invention is applicable to the field of an LED display screen, and provides a method and device for separating a rebroadeasted video from a live display video, the method includes: feeding the rebroadcasted video and the live display video of the LED display screen into a video processor by two paths; completing an aliasing of two paths of the videos through the video processor, sending the aliased video to a LED display control system; controlling by the LED display control system a video ratio of the two paths of the videos, utilizing a high-speed camera to synchronously capture the rebroadcasted video according to the video ratio; receiving by the LED display control system the rebroadcasted video synchronously captured by the high-speed camera; and transforming by the LED display control system through image processing the rebroadcasted video into a video which is to be rebroadcasted to different countries.

Abstract: A device for quick splicing of a display screen is provided. The device includes a left assembly and a right assembly. The left assembly includes a rotation fixing seat, a rotation angle seat, a rotation locking mechanism, and a step angle-adjusting and clamping mechanism. The rotation angle seat can lock with the right assembly, and is rotatably connected to the rotation fixing seat. The rotation locking mechanism is disposed between the rotation fixing seat and the rotation angle seat. When the rotation locking mechanism is unlocked, the rotation angle seat can rotate relative to the rotation fixing seat; and when the rotation locking mechanism is locked, the rotation angle seat is fixedly connected to the rotation fixing seat. The step angle-adjusting and clamping mechanism is disposed between the rotation angle seat and the rotation fixing seat.

Abstract: A high-definition LED display screen and a surface-mounted LED composite lamp with an ultra-small point distance thereof are provided. The high-definition LED display screen includes a plurality of the surface-mounted LED composite lamps with an ultra-small point distance. The surface-mounted LED composite lamp with an ultra-small point distance includes a lamp body, a plurality of pins arranged on a surface of one side of the lamp body, and a plurality of groups of LED pixel lamps arranged in an array on a surface of the other side of the lamp body, of which a periphery wrapped with transparent packages, each group of LED pixel lamps being electrically connected with the pins.

Abstract: The invention is suitable for the LED virtual reality technology field, and provides an LED virtual arrangement and an LED display with the LED virtual arrangement, which aims to solve the problem existing in the prior art that the gap between the lamps in the unit area of the four lamps virtual arrangement is large, which results in poor heat dissipation effect. The LED virtual arrangement includes a first three-color LED unit and a second three-color LED unit; each of the first three-color LED unit and the second three-color LED units respectively comprises a red LED, a green LED and a blue LED, and the red LED, green LED and blue LED are respectively arranged at the three vertices of a right triangle. That the red LED, green LED and blue LED are arranged at the three vertices of the triangle, effectively reduce the number of LED lamps, increase the gap between the LEDs in the unit area, and is conducive to improving the heat dissipation effect.

Abstract: A high-definition LED display screen and a surface-mounted LED composite lamp with an ultra-small point distance thereof are provided. The high-definition LED display screen includes a plurality of the surface-mounted LED composite lamps with an ultra-small point distance. The surface-mounted LED composite lamp with an ultra-small point distance includes a lamp body, a plurality of pins arranged on a surface of one side of the lamp body, and a plurality of groups of LED pixel lamps arranged in an array on a surface of the other side of the lamp body, of which a periphery wrapped with transparent packages, each group of LED pixel lamps being electrically connected with the pins.

Abstract: A device for quick splicing of a display screen is provided, the device comprises a left assembly (2) and a right assembly (3). The left assembly (2) comprises a rotation fixing seat (22), a rotation angle seat (20), a rotation locking mechanism, and a step angle-adjusting and clamping mechanism; the rotation angle seat (20) can lock with the right assembly (3), and is rotatably connected to the rotation fixing seat (22); the rotation locking mechanism is disposed between the rotation fixing seat (22) and the rotation angle seat (20); when the rotation locking mechanism is unlocked, the rotation angle seat (20) can rotate relative to the rotation fixing seat (22); and when the rotation locking mechanism is locked, the rotation angle seat (20) is fixedly connected to the rotation fixing seat (22); the step angle-adjusting and clamping mechanism is disposed between the rotation angle seat (20) and the rotation fixing seat (22).