Abstract: A method for video encoding includes determining a filter shape of a cross-component filter applied to a chroma coding block (CB), generating a first intermediate CB by applying a loop filter to the chroma CB, and generating a second intermediate CB by applying, to a corresponding luma CB, the cross-component filter applied to the chroma CB and having the determined filter shape. The method further includes determining a filtered chroma CB based on the first intermediate CB and the second intermediate CB by combining the loop filtered chroma CB with the cross-component filtered luma CB, and generating coded information of the chroma CB in a coded video bitstream. Determining the filter shape includes determining the filter shape of the cross-component filter based on the number of the filter coefficients and based on at least one of (i) the chroma subsampling format or (ii) the chroma sample type.

Abstract: In accordance with an embodiment, a device identification method includes: obtaining historical connection data of the second device belonging to a wireless local area network (WLAN), where the historical connection data reflects a connection status between each of at least one terminal device that used to be connected to the second device and the WLAN; and determining the second device as an edge wireless access point (AP) device based on off-net terminal device data of the second device.

Abstract: The present disclosure provides a method (200) in a router for Label Switched Path, LSP, traceroute. The method (200) includes: receiving (210) an echo request packet containing a label stack; determining (220) from the label stack that forwarding to a downstream router is to be based on a binding segment identifier; identifying (230) a plurality of segments included in a binding segment associated with the binding segment identifier; and transmitting (240) an echo reply packet to a router originating the echo request packet, the echo reply packet containing information indicating a presence of the binding segment identifier in the label stack and indicating a segment identifier associated with each of the plurality of segments.

Abstract: Provided are a facial expression recognition method and system combined with an attention mechanism. The method comprises: detecting faces comprised in each video frame in a video sequence, and extracting corresponding facial ROIs, so as to obtain facial pictures in each video frame; aligning the facial pictures in each video frame on the basis of location information of facial feature points of the facial pictures; inputting the aligned facial pictures into a residual neural network, and extracting spatial features of facial expressions corresponding to the facial pictures; inputting the spatial features of the facial expressions into a hybrid attention module to acquire fused features of the facial expressions; inputting the fused features of the facial expressions into a gated recurrent unit, and extracting temporal features of the facial expressions; and inputting the temporal features of the facial expressions into a fully connected layer, and classifying and recognizing the facial expressions.

Abstract: Aspects described herein include devices and methods for smart ultra wideband transmissions. In one aspect, an apparatus includes pulse generation circuitry configured to output a plurality of transmission (TX) pulse samples at a selected signal sample rate, where each pulse sample of the plurality of TX pulse samples comprises a value associated with a pulse amplitude at a corresponding sample time The apparatus includes a plurality of power amplifier (PA) cells, with each PA cell of the plurality of PA cells comprising a corresponding current source and associated gates, and where the associated gates of a PA cell are selectable to configure an on state and an off state. Logic circuitry of the apparatus is configured to set the on state or the off state for each PA cell.

Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving video data including a picture, wherein the picture is coded using at least a first color component and a second color component, and the picture includes a first block that is coded in a geometric partition mode, the first block including a first geometric partition and a second geometric partition; reconstructing samples in a first geometric partition of the first color component of the first block; deriving samples in the first geometric partition of the second color component of the first block based on the reconstructed samples of the first color component of the first block; and decoding the first block in the picture based at least on the reconstructed samples in the first geometric partition of the first color component and the second color component of the first block.

Abstract: An approach for encoding/decoding video data including parsing video data to obtain partitioning parameters; obtaining a partitioned super block; and decoding based on the partitioned super block, wherein based on a luma block area size, or a luma splitting depth of the smallest luma block, either luma blocks and chroma blocks of the partitioned super block are partitioned based on a first block partitioning structure, or the luma blocks are partitioned based on the first block partitioning structure, and the chroma blocks are partitioned based on a second block partitioning structure.

Abstract: A method and apparatus for encoding or decoding a video sequence includes applying a Cross-Component Linear Model (CCLM) to a video sequence, and applying an interpolation filter in the Cross-Component Linear Model (CCLM), wherein the interpolation filter is dependent upon a YUV format of the video sequence.

Abstract: Provided are a fibroblast activation protein inhibitor (FAPI) dimer compound, an FAPI dimer-based positron emission tomography (PET) imaging agent for tumor diagnosis, and a preparation method and use thereof. An amphiphilic polyethylene glycol (PEG) chain and a dimerized structure of FAPI in the FAPI dimer compound with a structure shown in formula I can improve the in vivo kinetic properties of the compound and prolong a residence time of the compound in a tumor, thereby improving the uptake and imaging effects in the tumor. The accurate tumor diagnosis can be achieved by labeling the FAPI dimer compound with a diagnostic nuclide (68Ga), which has promising application prospects in PET imaging for diagnosis and in the preparation of a therapeutic nuclide (such as 177Lu or 90Y)-labeled drug for treating a FAP-?-expressing tumor.

Abstract: A graphene heating chip includes a substrate, an insulating layer, a graphene film, and a plurality of electrodes. The substrate has two opposite a first surface and a second surface, and the substrate defines a through hole. The insulating layer is suspended on the substrate. The insulating layer covering the through hole and not in direct contact with the first surface is defined as a window, and a plurality of grooves are formed on the window. The graphene film covers the window, and the graphene film includes a first graphene film portion and a second graphene film portion, and the first graphene film portion and the second graphene film portion are spaced apart from each other. The plurality of electrodes are located on the surface of the insulating layer away from the substrate. The present application also provides a method for making the graphene heating chip.

Abstract: A graphene heating chip includes a substrate, an insulating layer, a graphene film, and a plurality of electrodes. The substrate has two opposite a first surface and a second surface, and the substrate defines a through hole. The insulating layer is suspended on the substrate. The insulating layer covering the through hole and not in direct contact with the first surface is defined as a window, and a plurality of grooves are formed on the window. The graphene film covers the window, and the graphene film includes a first graphene film portion and a second graphene film portion, and the first graphene film portion and the second graphene film portion are spaced apart from each other. The plurality of electrodes are located on the surface of the insulating layer away from the substrate. The present application also provides a method for calibrating a temperature of the graphene heating chip.

Abstract: A method for video decoding is provided. For a current block, whether an angular intra prediction mode for the current block is a wide angle mode that is in a direction outside of a range of directions that spans a bottom left diagonal direction and a top right diagonal direction of the current block is determined. Based on the angular intra prediction mode being determined as the wide angle mode, an intra smooth filter is enabled, the enabled intra smooth filter is applied to blocks neighboring the current block to generate filtered blocks, and intra prediction is performed based on the filtered blocks to decode the current block.

Abstract: A method of selecting a reference sample used to encode a current block in an encoded video bitstream using at least one processor includes determining that a constrained intra prediction (CIP) mode is enabled; determining that a neighboring sample of the current block belongs to a coding block that is coded using intra block copy (IBC) coding; based on the determining that the neighboring sample belongs to the coding block that is coded using the IBC coding, selecting the neighboring sample as the reference sample; and encoding the current block using intra prediction coding based on the reference sample.

Abstract: Systems and methods for improved delta angle signaling for blocks in video compression are provided. A method includes encoding a bitstream that includes a picture. The encoding includes obtaining a nominal angle of a current block of the picture for intra prediction; obtaining a nominal angle of at least one neighboring block of the current block for intra prediction; determining whether to signal all allowed delta angles of the nominal angle of the current block, or only a subset of the allowed delta angles of the nominal angle of the current block, based on a comparison between the nominal angle of the current block and the nominal angle of the at least one neighboring block; and signaling, within the bitstream, all the allowed delta angles or the subset of the allowed delta angles of the nominal angle of the current block based on the determining.

Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry decodes prediction information of a current block in a current picture from a coded video bitstream. The prediction information is indicative of a prediction mode that combines an intra prediction and an inter prediction. The intra prediction is based on at least a first reference sample in the current picture, and the inter prediction is based on at least a second reference sample in a reference picture of the current picture. Further, the processing circuitry determines coding tools associated with the prediction mode that combines the intra prediction and the inter prediction and reconstruct at least a sample of the current block according to the determined coding tools associated with the prediction mode.

Abstract: Dual-precision analog memory cells and arrays are provided. In some embodiments, a memory cell, comprises a non-volatile memory element having an input terminal and at least one output terminal; and a volatile memory element having a plurality of input terminals and an output terminal, wherein the output terminal of the volatile memory element is coupled to the input terminal of the non-volatile memory element, and wherein the volatile memory element comprises: a first transistor coupled between a first supply and a common node, and a second transistor coupled between a second supply and the common node; wherein the common node is coupled to the output terminal of the volatile memory element; and wherein gates of the first and second transistors are coupled to respective ones of the plurality of input terminals of the volatile memory element.

Abstract: A sample rack recovery method after an accidental interruption of operation of a sample rack manipulation device (10), a sample rack manipulation device (10) capable of performing the method, an automatic detection system (1) comprising the device (10), and a computer-readable medium in which a program for executing the method is stored. The device (10) comprises a conveying device (103) adapted to move in a transport area (TB) to convey a sample rack (30) between a loading/unloading area (TA), sampling areas (TD, TE) and a buffer area (TC). The method comprises: a conveying device detection step of detecting the state of a conveying device (103); a sample rack detection step of detecting the position of a sample rack (30) in a sample rack manipulation device (10); and a sample rack recovery step of conveying the sample rack (30) to a loading/unloading area (TA) by the conveying device (103) according to the detection results of the conveying device (103) and the sample rack (30).

Abstract: Aspects described herein include devices and methods for smart ultra wideband transmissions. In one aspect, an apparatus includes pulse generation circuitry configured to output a plurality of transmission (TX) pulse samples at a selected signal sample rate, where each pulse sample of the plurality of TX pulse samples comprises a value associated with a pulse amplitude at a corresponding sample time The apparatus includes a plurality of power amplifier (PA) cells, with each PA cell of the plurality of PA cells comprising a corresponding current source and associated gates, and where the associated gates of a PA cell are selectable to configure an on state and an off state. Logic circuitry of the apparatus is configured to set the on state or the off state for each PA cell.

Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding and decoding. The apparatuses include an apparatus for video decoding. Processing circuitry of the apparatus for video decoding can decode coded information for a current block from a coded video bitstream. The coded information indicates a bi-prediction motion compensation mode for the current block. The processing circuitry determines, based on current neighboring reconstructed samples of the current block, first neighboring reconstructed samples of a first prediction block, and second neighboring reconstructed samples of a second prediction block, a weight used in the bi-prediction motion compensation mode. The processing circuitry reconstructs samples in the current block based on a weighted average of corresponding samples in the first prediction block and the second prediction block using the determined weight.