Abstract: A method for colour component prediction, an encoder, a decoder and a storage medium are provided. The method includes that: prediction parameters of a current block are determined, the prediction parameters including a prediction mode parameter and a size parameter of the current block; when the prediction mode parameter indicates that a Matrix-based Intra Prediction (MIP) mode is adopted to determine an intra prediction value of the current block, an MIP weight matrix of the current block, a shift factor of the current block and an MIP input sample matrix of the current block are determined; and the intra prediction value of the current block is determined according to the MIP weight matrix, the shift factor and the MIP input sample matrix.

Abstract: A computer-implemented method comprising, at a verifying nodes of a blockchain network: obtaining a first transaction which comprises runnable code; receiving a second transaction which includes information comprising at least a submitted instance of an r-part and an s-part of a first ECDSA signature, and further comprising a nonce; and miming the code from the first transaction. The code is configured to verify that HPoW(ƒ(r, d)) meets a predetermined condition defined in the code, and to return a result of true on condition thereof, where r is the submitted instance of the r-part, d is the nonce, HPoW is a hash function, and f is a function combining q and d.

Abstract: A point cloud sequence encoding/decoding method and apparatus based on two-dimensional regularized plane projection.

Abstract: Provided is a system for analyzing features associated with entities using an embedding tree, the system including at least one processor programmed or configured to receive a dataset associated with a plurality of entities, wherein the dataset comprises a plurality of data instances for a plurality of entities. The processor may be programmed or configured to generate at least two embeddings based on the dataset and determine split criteria for partitioning an embedding space of at least one embedding tree associated with the dataset based on feature data associated with an entity and embedding data associated with the at least two embeddings. The processor may be programmed or configured to generate at least one embedding tree having a plurality of nodes based on the split criteria. Methods and computer program products are also provided.

Abstract: A support assembly, a battery box, a battery, and an electric device are disclosed. The support assembly includes: at least two plate layers, where the at least two plate layers are stacked, and a separating space is provided between adjacent ones of the at least two plate layers; and a support structure disposed in the separating space, where the support structure includes a plurality of cavities, at least some of the cavities extend along a first direction, and the first direction intersects with opposite surfaces of the adjacent plate layers.

Abstract: The present disclosure provides an autonomous mobile device, an operating method, and a storage medium. The operating method is configured to control the autonomous mobile device to move along a work route, including: a first rotating step in which the autonomous mobile device rotates in a first direction for a first angle at a first location on the work route; a first moving step in which the autonomous mobile device moves to a second location on the work route; a second rotating step in which the autonomous mobile device rotates in a second direction for a second angle at the second location; and a second moving step in which the autonomous mobile device continues moving along the work route. The first rotating step, the first moving step, the second rotating step, and the second moving step form a cycle, and the operating method includes repeatedly executing the cycle.

Abstract: Provided is an array substrate which includes a base substrate; a plurality of common electrodes disposed on a side of the base substrate; a plurality of data lines disposed on a side of the base substrate, wherein with respect to each of the data lines, a distance between the data line and a first target common electrode is different from a distance between the data line and a second target common electrode; and a plurality of pixel electrodes arranged in an array and disposed on a side of the base substrate.

Abstract: The present disclosure provides an autonomous mobile device, an operating method, and a storage medium. The operating method is configured to control the autonomous mobile device to move along a work route, including: a first rotating step in which the autonomous mobile device rotates in a first direction for a first angle at a first location on the work route; a first moving step in which the autonomous mobile device moves to a second location on the work route; a second rotating step in which the autonomous mobile device rotates in a second direction for a second angle at the second location; and a second moving step in which the autonomous mobile device continues moving along the work route. The first rotating step, the first moving step, the second rotating step, and the second moving step form a cycle, and the operating method includes repeatedly executing the cycle.

Abstract: Disclosed embodiments relate to a pulsed-power drilling system, in which a pulsed-power drill is conveyed downhole and operated via coiled tubing. The coiled tubing may be configured to simultaneously transmit power and drilling fluid downhole. For example, the coiled tubing may include a flexible hollow fluid tube configured to transport drilling fluid therein, and a flexible cable tube disposed within the fluid tube. The cable tube may have one or more cable disposed within protective tubing, protecting the cables from drilling fluid in the fluid tube. Methods of making and using such coiled tubing with pulsed-power drills are also disclosed.

Abstract: A trap escaping and snow removal method includes: performing, when a snow sweeper detects that a current snow shoveling position is in a trigger condition for trap escaping, a corresponding preset trap escaping action, wherein the preset trap escaping action includes the following steps: adjusting a head-up height of a snow shovel head of the snow sweeper at least once; determining, after finishing the preset trap escaping action, whether it is still in the trigger condition for trap escaping; and if not, determining a next snow shoveling position and performing a snow shoveling operation.

Abstract: An detachment device for a spliced display device includes: a detachment mechanism disposed to be connected with the first display unit to drive the first display unit to move along a direction away from or close to a plane where the spliced display device is located; at least one moving device, wherein the moving device includes a moving frame located outside the detachment mechanism and an adjustment member disposed on the moving frame, the moving frame is connected with the second display unit, the adjustment member abuts against the detachment mechanism, and the moving frame drives the second display unit connected with the moving frame to move in a direction away from the first display unit through the adjustment member on the plane where the spliced display device is located.

Abstract: The present invention discloses a highly reliable positive-to-negative voltage conversion circuit, including a first inverter, a first buffer, a second buffer, a first to seventh NMOS transistors, a first to third PMOS transistors, a first resistor, a second resistor, a third resistor, and a fourth resistor, wherein the third PMOS transistor, the third NMOS transistor, the fourth NMOS transistor, the fifth NMOS transistor, the sixth NMOS transistor and the seventh NMOS transistor form an on/off control circuit, with that a power supply path between a positive-voltage power supply terminal and a negative-voltage power supply terminal is physically isolated by the on/off control circuit to eliminate voltage reversing occurring when the positive-voltage power supply terminal and the negative-voltage power supply terminal cannot be synchronized during power-on.

Abstract: In an example method, a user equipment (UE) device determines one or more component carriers available to the UE device for at least one of transmitting or receiving data over a wireless network. The UE device transmits, to the wireless network, for each component carrier, an indication whether the component carrier supports at least one of transmitting or receiving data according to a multi-transmission and receiving points (multi-TRP) communication protocol.

Abstract: A method for recording and playback including: recording an operation of a first device based on an operation recording instruction to obtain a user operation record; acquiring environment data of the first device; and performing user operations of the user operation record sequentially in a second device based on an operation playback instruction, where the performing the user operations of the user operation record includes, for one of the user operations: determining a corresponding target control in the second device based on the environment data of the first device and environment data of the second device, and performing a respective user operation based on the target control.

Abstract: The present disclosure provides a floor mopping robot, a water spray control method and apparatus for the floor mopping robot, and a non-transitory computer-readable storage medium. The water spray control method includes controlling, in a first stage, a water spray system of the floor mopping robot to spray a first pre-set amount of water; and controlling, in a second stage after the first stage, the water spray system to spray a second pre-set amount of water each time. Each of the first stage and the second stage is related to an out-of-station distance, an already cleaned area, or an already moved distance of the floor mopping robot. The out-of-station distance is a distance that the floor mopping robot has moved away from a charging station since start-up. The second pre-set amount of water is less than the first pre-set amount of water.

Abstract: A display panel includes an array substrate and a color filter substrate, where the color filter substrate includes a first substrate, spacer pillars, and color filter layers, each spacer pillar is in the spacing region, and each pixel region is provided with a color filter layer. Each spacer pillar includes at least one spacer layer each made of the same material as the color filter layer in one of the pixel regions. The array substrate includes a second substrate and a support layer, where the support layer is on a side of the second substrate facing the color filter substrate, and includes a body layer and a plurality of protrusions on a side of the body layer away from the second substrate, where each protrusion is each opposite to at least one of the spacer pillars. At least one of the spacer pillars is each supported on the corresponding protrusion.

Abstract: A computer-implemented method of enforcing conditions on a second blockchain transaction using a first blockchain transaction, wherein a first one of the conditions is that, when a first unlocking script of the second transaction is executed alongside a first locking script of the first transaction, a representation of the second transaction is output to memory, wherein the representation is based on a plurality of fields of the second transaction and a first output of the first transaction, and wherein the method comprises: generating the first transaction, wherein the first transaction comprises a first output, wherein the first output comprises the first locking script, and wherein the first locking script comprises: a message sub-script; a signature sub-script; a public key corresponding to a private key; and a verification sub-script.

Abstract: There is provided a chromatography system comprising a first valve in fluid connection to a first chromatography column and/or a second valve; the second valve in fluid connection to a second chromatography column and the first valve; wherein the first valve and the second valve are operable to provide: a mode that selectively allows a fluid to flow from the first chromatography column to the second chromatography column; and one or more modes that selectively allows the fluid to bypass the first chromatography column and/or the second chromatography column. Also disclosed is a method of capturing and/or purifying a target from a sample thereof. In one embodiment, an acidic protein, alpha-1 anti-trypsin (A1AT), is purified by a tandem column configuration using anion exchange chromatography, whereby a first chromatography column is added in between the sample pump and an injection valve, or replaced the sample loop of AKTA system.

Abstract: The present invention discloses a pin-on-disk type in-situ current-carrying friction testing system, and belongs to the technical field of friction performance testing. The friction testing system includes a pin-on-disk type friction pair, a current loading mechanism, and a magnetic field generating mechanism. The current loading mechanism includes a conductive terminal abutting against an annular sidewall of a disk specimen and used to guide a current in the disk specimen to flow along a horizontal direction, and the magnetic field generating mechanism is used to generate a magnetic field. When a pin specimen and a disk specimen rotate relatively, the pin specimen, the conductive terminal, and the magnetic field generating mechanism are relatively stationary, and an Ampere force generated by the current in the disk specimen flowing in the horizontal direction under the action of the magnetic field faces a support platform.