Abstract: This application discloses a filtering method, a filtering model training method, and a related apparatus, and belongs to the field of coding technologies. The method includes: determining K groups of filtering models based on a quantization parameter of a target image, determining a reconstructed block corresponding to a current coding block in the target image, determining a target filtering model from the K groups of filtering models, and filtering the reconstructed block based on the target filtering model. A same group of filtering models is applicable to coding blocks with same coding quality, different groups of filtering models are applicable to coding blocks with different coding quality, and different filtering models in a same group of filtering models are applicable to coding blocks with different content.

Abstract: This application provides a chroma block prediction method and apparatus. The method includes: obtaining a maximum luma value and a minimum luma value based on luma samples corresponding to neighboring samples of a target chroma block, and calculating a first difference between the maximum luma value and the minimum luma value; if the first difference is not equal to 0, processing the first difference based on a quantity of significant bits of the first difference and a first preset bit depth to obtain a second difference; and determining, based on a first chroma value, a second chroma value, and the second difference, an intra prediction model parameter corresponding to the target chroma block, and determining prediction information of the target chroma block based on the intra prediction model parameter and luma reconstruction information corresponding to the target chroma block.

Abstract: Embodiments of this application disclose an intra prediction method for a video sequence. The method includes: obtaining a size and a split mode of a chroma coding tree node; determining, based on the size and the split mode of the chroma coding tree node, whether to allow cross-component linear model (CCLM) intra prediction to be performed on a chroma coding unit included in the chroma coding tree node; determining a prediction mode of the chroma coding unit depending on whether to allow CCLM to be performed on the chroma coding unit; and processing the chroma coding unit based on the prediction mode of the chroma coding unit to obtain prediction samples of the chroma coding unit.

Abstract: A preparation method for a functional material for extracting lithium from an aluminum salt includes the following steps: step 1, preparation of an aluminum salt functional material precursor slurry: mixing polyaluminum, a lithium source and water in proportion, adding an additive, performing ultrasonic stirring to obtain a mixed salt solution, adding an alkali liquor or a basic salt solution into the mixed salt solution at a certain flow rate, adjusting the pH value, and then performing constant-temperature stirring reaction to obtain a lithium-intercalated aluminum salt functional precursor slurry; and step 2, preparing a functional material for extracting lithium from an aluminum salt, namely performing solid-liquid separation, washing and drying on the precursor slurry obtained in the step 1 to obtain the functional material for extracting lithium from an aluminum salt. Cheap polyaluminum is used as an aluminum source, and the water solubility is good.

Abstract: This application discloses an inter prediction method, where a to-be-processed block includes one or more subblocks, and the method includes: determining a temporal offset vector of the to-be-processed block based on a spatially neighboring block of the to-be-processed block, where the temporal offset vector is used to determine a collocated subblock of the subblock of the to-be-processed block; and determining a motion vector of the subblock of the to-be-processed block based on a motion vector of the collocated subblock, where the motion vector of the subblock of the to-be-processed block is obtained based on a first preset motion vector when the motion vector of the collocated subblock is unavailable. This application can improve prediction accuracy in coding and increase coding efficiency.

Abstract: The present disclosure relates to a cover connection structure and a carrier. The carrier includes a frame, a cover assembly, and the cover connection structure. The cover connection structure includes a fixing base and an engaging member. The fixing base is disposed on the frame. An engaging member is disposed on the cover assembly. The fixing base is movably engaged with the engaging member to allow the cover assembly to be detachably mounted onto the frame.

Abstract: Embodiments of this application relate to the field of video picture coding technologies, and disclose a bidirectional inter prediction method and apparatus, to improve coding efficiency. The method includes: obtaining indication information, where the indication information is used to indicate that second motion information is determined based on first motion information, the first motion information is motion information of a current picture block in a first direction, and the second motion information is motion information of the current picture block in a second direction; obtaining the first motion information; determining the second motion information based on the first motion information; and determining prediction samples of the current picture block based on the first motion information and the second motion information.

Abstract: A video processing method includes: obtaining prediction information of a CU; obtaining, when the CU comprises only one residual TU and a size of the residual TU is less than a size of the CU, a TU partitioning mode of the CU and a residual position of the residual TU, wherein the TU partitioning mode and the residual position are used to determine a horizontal transform type and a vertical transform type; obtaining transform coefficients of the residual TU based on the horizontal transform type and the vertical transform type; and generating a bitstream that is for storing or transmitting and that includes the prediction information, a first flag that indicates the TU partitioning mode, a second flag that indicates the residual position, and the transform coefficients.

Abstract: A pixel driving circuit (100) includes a photosensitive device (110) and a dimming sub-circuit (120) connected between a first voltage terminal (VDD) and a light-emitting device (200). A first terminal of the photosensitive device (110) is configured to receive a control signal, a second terminal of the photosensitive device (110) is electrically connected to a first node (N1), and the photosensitive device (110) is configured to adjust a voltage at the first node (N1) based on the control signal. The dimming sub-circuit (120) is electrically connected to the first node (N1). The on-state of the dimming sub-circuit (120) changes with a change of the voltage at the first node (N1), and the dimming sub-circuit (120) is configured to adjust brightness of the light-emitting device (200) based on a first voltage signal from the first voltage terminal (VDD) under control of the voltage at the first node (N1).

Abstract: A motion vector prediction method includes parsing a bitstream to obtain an index value of a candidate motion vector list and constructing the candidate motion vector list that includes. candidate motion vectors of K control points of a current block. The candidate motion vectors of K control points are obtained based on a 2N-parameter affine transform model used for a neighboring block of the current block, where N and K are integers greater than or equal to 2 and less than or equal to 4 with N not being equal to K. The method further includes determining, in the candidate motion vector list, target candidate motion vectors of the K control points based on the index value and obtaining a predicted motion vector of each subblock of the current block based on the target candidate motion vectors of the K control points.

Abstract: This application discloses an apparatus for constructing a merge candidate motion information list, including: one or more processors; a non-transitory memory storage comprising instructions which when executed by the one or more processors, cause the apparatus to obtain first motion information and add the first motion information to a first candidate motion information set, to obtain a second candidate motion information set; obtain second motion information based on an HMVP candidate motion information list; when the second motion information is different from all motion information in the second candidate motion information set, add the second motion information to the second candidate motion information set, to obtain a merge candidate motion information list, wherein a quantity of pieces of motion information in the merge candidate motion information set is equal to a preset threshold.

Abstract: An electric valve. The electric valve is provided with a channel, part of the channel is located between a connecting seat and a fixed gear ring, part of the channel is located in the connecting seat, and by means of the channel, a sleeve cavity and a valve body cavity are in communication with each other.

Abstract: An adaptor plate includes a front plate that is configured to span across at least a portion of a front of an electrical junction box and includes one or more adaptor plate mounting features configured to align with corresponding mounting features of the electrical junction box. A DIN rail engagement portion extends backward from the front plate (and into the junction box) and is configured to fit at least partially into an elongated DIN rail mounting recess of a DIN rail device. In some cases, a first mounting slot is disposed within a first side of the DIN rail engagement portion for receiving a first mounting latch of the DIN rail device, and a second mounting slot is disposed within a second side of the DIN rail engagement portion for receiving a second mounting latch of the DIN rail device.

Abstract: A method for controlling a water heater includes determining that the water heater is in a minimum load operation state; in accordance with a determination that the water heater is in the minimum load operation state; detecting an outlet water temperature of the water heater, determining that the outlet water temperature meets a preset condition; and in accordance with a determination that the outlet water temperature meets the preset condition, controlling the water heater to stop heating.

Abstract: Some embodiments include apparatuses, and methods of forming the apparatuses. Some of the apparatuses include a first group of conductive materials interleaved with a first group of dielectric materials, a pillar extending through the conductive materials and the dielectric materials, memory cells located along the first pillar, a conductive contact coupled to a conductive material of the first group of conductive materials, and additional pillars extending through a second group of conductive materials and a second group of dielectric materials. The second pillar includes a first portion coupled to a conductive region, a second portion, a third portion, and a fourth portion coupled to the conductive contact. The second portion is located between the first and third portions. The second portion of each of the additional pillars is part of a piece of material extending from a first pillar to a second pillar of the additional pillars.

Abstract: A picture partitioning method and apparatus are described. The method includes determining a split mode of a current node, where the current node includes a luma block and a chroma block. The method further includes determining, based on the split mode of the current node and a size of the current node, that the chroma block of the current node is not further split. In accordance with the chroma block of the current node not being further split, the method includes splitting the luma block of the current node based on the split mode of the current node. In accordance with the chroma block of the current node not being further split, the method may be used to split only the luma block of the current node, thereby improving encoding and decoding efficiency, reducing a maximum throughput of a codec, and facilitating implementation of the codec.

Abstract: Technologies for inter prediction for a block in a video are provided. In one example, a method includes: when a size of a current block satisfies a preset condition, parsing a bitstream to obtain a syntax element, where the syntax element includes at least an index of optimal candidate motion information of the current block; determining, based on the syntax element, to construct a first list or a second list for the current block, where the first list is a block-based candidate motion information list, and the second list is a subblock-based candidate motion information list; determining optimal motion information from the first list or the second list based on the index; and predicting the current block based on the optimal motion information. In this method, the block-based candidate motion information list and the subblock-based candidate motion information list are distinguished from each other. This effectively reduces transmission costs of the optimal candidate motion information.

Abstract: A video picture prediction method and apparatus are provided, to provide a manner of determining a maximum length of a candidate motion vector list corresponding to a subblock merge mode. The method comprises: parsing a first indicator from a bitstream; if the first indicator indicates that a candidate mode used to inter predict the to-be-processed block comprises an affine mode, parsing a second indicator from the bitstream, where the second indicator is used to indicate a maximum length of a first candidate motion vector list, and the first candidate motion vector list is constructed for the to-be-processed block, a subblock merge prediction mode is used for the to-be-processed block; and determining the maximum length of the first candidate motion vector list based on the second indicator.

Abstract: Disclosed are an identifying method and an identifying system for a centrifuge rotor. The identifying method for a centrifuge rotor is based on a centrifuge rotor identifying system which includes a code disk with a plurality of pairs of magnetic poles, a Hall sensor and a controlling device. The method includes the following steps: according to a predetermined code rule, detecting the duration of each level signal generated from the Hall sensor; according to the total number of windows of the code disk and the duration of each level signal, determining the preliminary code; according to the predetermined code rule, determining the code starter; and based on the code starter, ordering the preliminary code to the rotor final code.