Abstract: A control method includes obtaining a plurality of remote control signals received by a plurality of sensor assemblies arranged at different positions at an oscillation mechanism of a fan, comparing amplitudes of the plurality of remote control signals to determine a target position that includes a position of a sensor assembly, among the plurality of sensor assemblies, corresponding to a strongest remote control signal with a greatest amplitude among the plurality of remote control signals, and controlling the oscillation mechanism to rotate towards the target position.

Abstract: Aspects of the disclosure includes methods and apparatuses for video decoding and video encoding and a method of processing visual media data. A current block in a first coding tree unit (CTU) is predicted using samples in a current picture. The first CTU and a second CTU are processed in parallel. The method for video decoding includes determining one of (i) a reference block of the current block in an allowed search range that is constrained for parallel processing of the first CTU and the second CTU in the current picture and (ii) an intra prediction mode of the current block based on a template adjacent to the current block that is constrained for parallel processing of the first CTU and the second CTU, and reconstructing the current block using the one of (i) the reference block and (ii) the intra prediction mode.

Abstract: A non-transitory computer-readable medium for inter-prediction and an encoder are provided. An initial motion vector is obtained for a current block. Search space positions are determined according to the initial motion vector. Matching costs for the search space positions are checked according to a checking order to select a target search space position with a minimal matching cost. A refining motion vector of the current block is determined based on the initial motion vector and the target search space position. A central search space position is determined according to the checking order, and the central search space position is pointed to by the initial motion vector.

Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving a video bitstream including a current coding block of a current image frame and determining that the current coding block is to be predicted in a weighted bi-prediction (WBP) mode. The method further includes in response to the current coding block being predicted in the WBP mode, determining that the current coding block is associated with two bi-prediction blocks and identifying a plurality of distinct weighting factor lists including at least a first list of positive weighting factors and a second list of mixed weighting factors. The method further includes selecting one of the weighing factor lists, identifying a first weighting factor from the weighing factor lists, and reconstructing the current image frame, including determining the current coding block by combining the two bi-prediction blocks based on the first weighting factor.

Abstract: An example method of video coding includes receiving a video bitstream for a plurality of blocks. The method also includes parsing, from the video bitstream, an indicator indicating that a current block of the plurality of blocks is to be decoded using an extrapolation filter intra prediction (EIP) mode. The method includes identifying transform information for the current block according to an EIP feature, the EIP feature including directionality information associated with the EIP mode and/or an index of the EIP mode; and the method includes generating a transform block for the current block using the transform information.

Abstract: Aspects of the disclosure includes methods and apparatuses for video decoding and video encoding and a method of processing visual media data. Coded information in a bitstream is received. The coded information indicates whether filtering is to be applied to at least one of a current template of a current block in a current picture and a reference template of a reference block. The current block is predicted based on the reference block. When the coded information indicates that the filtering is to be applied, a plurality of samples in the at least one of the current template and the reference template is filtered. A linear model between the current template and the reference template is determined based on the filtered plurality of samples. The current block is reconstructed based on the linear model and the reference block.

Abstract: A lawn mower, including: a body; a movement module configured to drive the lawn mower to move; a cutting disc having at least one blade, the cutting disc rotating under driving of a cutting motor to drive the blade to rotate, the blade including a blade body for connecting with the cutting disc and a cutting portion connected with the blade body for performing lawn mowing work; wherein the movement module is configured to drive the lawn mower to move at a travel speed greater than or equal to 1 m/s, the cutting motor is configured to drive the blade to rotate to achieve a linear velocity of the blade greater than or equal to 30 m/s and less than or equal to 70 m/s, and the blade body has a hardness value in a hardness value range of 5-45 HRC.

Abstract: Apparatuses and methods for encoding and decoding a video are provided. The method includes determining whether at least one of two blocks of an image in a video is predicted with a combined inter-intra prediction (CIIP), where the two blocks include a first block (block Q) and a second block (block P). There is a boundary between the two blocks. The method further includes setting a boundary strength (Bs) for the boundary to a first value when at least one of the two blocks is predicted with the CIIP, and performing deblocking filter based on the Bs.

Abstract: A method of video decoding includes receiving a bitstream that comprises coded information of one or more pictures. The coded information indicates an intra prediction of a current block. The method also includes: enabling a reference sample filtering with a bilateral filter when the current block satisfies one or more conditions associated with the reference sample filtering; applying the reference sample filtering with the bilateral filter on reference samples of the current block to obtain filtered reference samples when the reference sample filtering with the bilateral filter is enabled; and reconstructing one or more samples of the current block according to the intra prediction using the filtered reference samples.

Abstract: Provided in the present application are a catalytic graphite material, a preparation method and a use thereof. The catalytic graphite material comprises flake-shaped graphite and hollow spherical graphite particles. The catalytic graphite material has a 3R phase. The catalytic graphite material has a high purity, a high degree of graphitization, and has a 3R phase. The presence of the 3R phase provides more embedding sites for lithium ions. When the catalytic graphite material is used for a negative electrode material of a lithium-ion battery, the catalytic graphite material exhibits the characteristics of high capacity, high first efficiency, and low expansion, thereby significantly increasing the electrochemical properties of the lithium-ion battery such as the capacity, the initial efficiency, etc.

Abstract: Some aspects of the disclosure provide a method of video decoding. The method includes: receiving a bitstream that comprises coded information of one or more pictures; generating, according to the bitstream, at least a to-be-filtered sample, and input samples for filtering the to-be-filtered sample in an in-loop filter, the in-loop filter using a Wiener-based filter with an adaptive filter shape; determining a modified filter shape for the Wiener-based filter, the modified filter shape being adapted according to a relationship between the to-be-filtered sample and the input samples; and applying the Wiener-based filter with the modified filter shape on the input samples to generate a filtered output of the to-be-filtered sample.

Abstract: A video bitstream including coded information of a current block in a current picture is received. The coded information includes prediction samples of the current block. The prediction samples are obtained by a matrix multiplication of a matrix of coefficients and reference samples of the current block. A transform set is determined for the current block based on which of a subset of intra prediction modes is applied to the current block when one of the subset of the intra prediction modes is applied to the current block. The subset of intra prediction modes is derived based on the prediction samples of the current block. The current block is reconstructed based on the prediction samples and the transform set.

Abstract: A method of filtering a sample value of a picture and a video decoding apparatus are disclosed, the method comprises: obtaining a reconstructed sample value for a block of the picture; obtaining filter coefficients for adaptive loop filtering according to a bitstream; obtaining a sum value according to the filter coefficients and the reconstructed sample value for the block; rounding the sum value according to a vertical position of a sample in the block, to obtain a rounded sum value; obtaining a filter reconstructed sample value for the block according to the rounded sum value.

Abstract: Provided in the present application is a method for constructing a DNA library, an adapter element, and a Kit. The method includes performing library construction on a target sample utilizing a primer with 5? phosphorylation modification or an adapter with 5? phosphorylation modification, obtaining a linear amplification library with 5? phosphorylation modification, where the linear amplification library with 5? phosphorylation modification is a linear library suitable for an Illumina sequencing platform; or further circularizing the linear amplification library with 5? phosphorylation modification to obtain a circularized library suitable for an MGI sequencing platform.

Abstract: An argireline co-assembled system formed from betaine-malic acid as a deep eutectic solvent and argireline through non-covalent interaction and a method for preparing an argireline co-assembled system. The system can provide improved skin permeability of argireline and improved stability of argireline in skin care compositions.

Abstract: A video bitstream including coded information of a current block in a current picture of a video is received. Parameters of a model are determined based on the coded information in the video bitstream. The parameters of the model include parameters determined based on a motion compensated picture of the current picture and the current picture. Whether the current block is inter coded based on an inter prediction mode is determined. When the current block is inter coded, a motion compensated block of the current block is determined based on the inter prediction mode. The parameters of the model are applied to the motion compensated block of the current block to obtain a prediction block of the current block. The current block is reconstructed based on the prediction block.

Abstract: Provided in the present application is a method for constructing a DNA library based on an MGI platform and applications thereof. The method includes: ligating a bubble adapter to a target sample to obtain a ligation product; and performing library construction on the ligation product utilizing an amplification primer pair, obtaining an MGI platform based amplified library with dual indexes, where the amplification primer pair has the dual indexes and includes a 5? end library index and a 3? end library index; and the 5? end library index is selected from indexes corresponding to any one of groups of 4-base-balanced phosphorylation ends in Table 1 or Table 2, and the 3? end library index is selected from indexes corresponding to fixedly-matched non-phosphorylation ends corresponding to the 5? end library index group in Table 1 or Table 2.

Abstract: Aspects of the disclosure includes methods and apparatuses for video decoding and encoding and a method of processing visual media data. The method for video decoding includes receiving coded information in a bitstream indicating that a first intra mode coding method using one of (i) a template-based intra prediction mode derivation (TIMD) and (ii) a decoder-side intra mode derivation (DIMD) is not enabled for a current block. The method for video decoding includes determining at least one template-based intra mode with the first intra mode coding method using the one of the TIMD and the DIMD; and when the at least one template-based intra mode is to be excluded from a second intra mode coding method, determining an intra prediction mode of the current block using the second intra mode coding method excluding the at least one template-based intra mode, and reconstructing the current block using the intra prediction mode.

Abstract: This application provides methods and apparatuses for processing of picture data or picture feature data using a neural network with two or more layers. The present disclosure may be applied in the field of artificial intelligence (AI)-based video or picture compression technologies, and in particular, to the field of neural network-based video compression technologies. According to some embodiments, two kinds of data are combined during the processing including processing by the neural network. The two kinds of data are obtained from different stages of processing by the network. Some of the advantages may include greater scalability and a more flexible design of the neural network architecture which may further lead to better encoding/decoding performance.

Abstract: Some aspects of the disclosure provide a method of video decoding. In an example, a coded video bitstream is received. The coded video bitstream includes coded information of one or more pictures. Based on the coded information, flipping information associated with at least a portion of a current picture in the one or more pictures is determined, the flipping information associated with the portion indicates at least one of a flipping direction and/or a coding order of a plurality of blocks in the portion. The portion is reconstructed according to the flipping information associated with the portion. The current picture is reconstructed to include the portion that has been reconstructed according to the flipping information.