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 method of signaling an intra prediction mode used to encode a current block in an encoded video bitstream using at least one processor includes generating a first most probable mode (MPM) list corresponding to a zero reference line of the current block, wherein the first MPM list includes a plurality of angular intra prediction modes; generating a second MPM list corresponding to one or more non-zero reference lines of the current block, wherein the second MPM list includes the plurality of angular intra prediction modes; signaling a reference line index indicating a reference line used to encode the current block from among the zero reference line and the one or more non-zero reference lines; and signaling an intra mode index indicating the intra prediction mode within the first MPM list or the second MPM list.

Abstract: An example method of video decoding includes receiving a video bitstream comprising a plurality of frames, including a current frame having a chroma component and a luma component. When a semi-decoupled partitioning (SDP) mode is enabled for the current frame, the method includes parsing one or more parameters of a first constrained directional enhancement filter (CDEF) process from the video bitstream, applying the first CDEF process to the chroma component of the current frame according to the one or more parameters, parsing one or more second parameters of a second CDEF process from the video bitstream, applying the second CDEF process to the luma component of the current frame according to the one or more second parameters, and reconstructing the current frame in accordance with the first CDEF process and the second CDEF process. In this example, the second CDEF process is separate from the first CDEF process.

Abstract: Disclosed are methods, apparatus, and computer-readable storage medium for entropy/decoding contexts for intra prediction modes in video encoding/decoding. An example method includes receiving a video bitstream that includes a current block and deriving a first context used to entropy encode a set index based on coded information. The coded information comprises at least one of: information of the current block, and mode information of at least one neighboring block of the current block. The method further includes deriving a second context used to entropy encode a mode index for the current block based on the coded information, entropy decoding the set index according to the first context, and entropy decoding the mode index according to the second context. The method also includes determining the intra prediction mode for the current block based on the set index and the mode index.

Abstract: In a method for video decoding in a video decoder, at least one syntax element is decoded from a coded video sequence. The at least one syntax element is indicative of an intra prediction mode. An intra prediction angle that corresponds to the intra prediction mode is determined based on a predetermined relationship between a plurality of intra prediction modes and a plurality of intra prediction angles. At least one sample of a block is reconstructed using the intra prediction angle that is determined to correspond to the intra prediction mode. The plurality of intra prediction modes in the predetermined relationship includes at least one of a first plurality of wide angle prediction modes beyond a bottom left direction diagonal mode and a second plurality of wide angle prediction modes beyond a top right direction diagonal mode. The block is a non-square block.

Abstract: The present disclosure relates to a data recovery method, a storage medium, and an electronic device. The method includes: receiving a notification message sent by a computing node in a distributed graph computing system, where the notification message represents that the corresponding computing node successfully stores current checkpoint data in a persistent memory; generating a checkpoint identifier corresponding to a current checkpoint when determining that all computing nodes in the distributed graph computing system successfully store the current checkpoint data in respective persistent memories; and sending the checkpoint identifier to each computing node, so that each computing node associates the checkpoint identifier with the current checkpoint data stored in the persistent memory, and the associated current checkpoint data is used for data recovery during recovery execution before the corresponding computing node obtains a checkpoint identifier corresponding to a next checkpoint.

Abstract: A system for realizing transformation of a thermal power unit based on combined high-parameter and low-parameter molten salts includes a high-parameter molten salt energy storage system, a low-parameter molten salt energy storage system and a thermal power unit. The high-parameter molten salt energy storage system and the low-parameter molten salt energy storage system include an electric heater for heating a molten salt, and an electric energy input end of the electric heater is connected with an electric energy output end of the thermal power unit. The low-parameter molten salt energy storage system includes a low-parameter molten salt heat absorption loop and a low-parameter molten salt heat release loop, and the high-parameter molten salt energy storage system includes a high-parameter molten salt heat absorption loop and a high-parameter molten salt heat release loop.

Abstract: A method, a non-transitory computer readable medium, and a computer system is provided for encoding or decoding video data. The method may include: receiving video data comprising a chroma component and a luma component; parsing, deriving or selecting a number of presets for the chroma component in one frame, and a number of presets for the luma component in the one frame; and decoding the video data. The method may further comprise: performing a separate Constrained Directional Enhancement Filter (CDEF) process of filtering luma and chroma components independent from each other based on the number of presets for the chroma component in one frame, and the number of presets for the luma component in the one frame.

Abstract: Methods and systems for encoding and decoding video are described. In one aspect, a method of video decoding includes receiving video data that includes a first block and a first syntax element from a video bitstream. The method also includes determining a secondary transform kernel type value for the first block based on the first syntax element. In accordance with a determination that the secondary transform kernel type has a first value, a secondary transform set identifier is determined based on a second syntax element from the video bitstream, and an inverse secondary transform is performed on the first block using the determined secondary transform kernel type and determined secondary transform set identifier. In accordance with a determination that the secondary transform kernel type has a second value, the inverse secondary transform is not performed on the first block.

Abstract: This disclosure relates to signaling, parsing, and using adaptive resolution for motion vector difference in video coding. An example method includes receiving a video bitstream and extracting an inter-prediction syntax element from the video bitstream. The inter-prediction syntax element indicates which single-reference inter-prediction mode is enabled for one or more video blocks of the video bitstream. The method further includes determining whether an adaptive motion vector difference (MVD) mode is enabled for the one or more video blocks. The adaptive MVD mode is a single-reference inter-prediction mode with an adaptive MVD pixel resolution. When the adaptive MVD mode is enabled for the one or more video blocks, the method includes selecting a current MVD pixel resolution from a set of available MVD pixel resolutions. The method also includes decoding the one or more video blocks based on the current MVD pixel resolution.

Abstract: This disclosure describes aspects of advanced video coding technologies and is particular related to cross-component sample offset (CCSO) filtering of reconstructed samples. For example, a quantizer for quantizing sample deltas in order to apply a CCSO filter may be constructed as an asymmetric quantizer with respect to zero sample delta. Either a symmetric or an asymmetric quantizer may be selected for processing sample deltas prior to applying a CCSO filter. An asymmetric quantizer may relate to a corresponding symmetric quantizer by a non-zero offset. Signaling of a selection of an asymmetric quantizer may be provided separately from or dependent on a signaling of a symmetric quantizer.

Abstract: Targeted recommendations may be provided to specific user segments. The users may be segmented on or more user parameters that facilitate targeted provision of recommendations to the individual segments of users. A recommendation may prompt a user to take a recommended action in the game.

Abstract: An automatic scanning system for tunnel walls constructed by open-type TBM, to realize the automatic, accurate, rapid and omnidirectional scanning of tunnel wall. The system comprises a three-dimensional laser scanner, a walking unit, a circumferential track, several connecting rods and a remote-control unit; wherein the three-dimensional laser scanner is fixed on the walking unit. The walking unit is provided on the circumferential track and configured to walk on the circumferential track at a set speed and a set number of walking cycles according to a control instruction. The circumferential track is fixed on the main beam of open-type TBM through the connecting rods and located between the roof bolter and cylinder of gripper shoe. The remote-control unit is configured to issue the control instruction and control the three-dimensional laser scanner to scan the tunnel wall and transmit the scanning data using set scanning parameters.

Abstract: A method for video coding includes obtaining a coding block of a video bitstream, determining whether a joint coding of motion vector difference (JMVD) is used for predicting the coding block, obtaining, based on determining that the JMVD is used selected for predicting the coding block, scaling factors, deriving a motion vector difference (MVD) for one or more reference frame lists based on an application of the scaling factors to one or more components of the JMVD along one or more pre-defined directions, and reconstructing the coding block based on at least the derived MVD.

Abstract: A use of lactoferrin in the preparation of a food or drug, the food or drug being used for activating a VDR signaling pathway, which is used for the treatment of bone disease, bone disease comprising: osteoporosis, bone damage, loss of bone calcium, incomplete bone development and bone abnormalities. The present invention further comprises screening for drugs that are used to promote osteoblast proliferation and differentiation by using an active state of the VDR signaling pathway.

Abstract: The present disclosure is related to systems and methods for processing X-ray images. A method for processing an X-ray image may include obtaining an X-ray image; and determining a metal image based on the X-ray image by using a trained metal detection model. The metal image includes information of a metal object in the X-ray image.

Abstract: A fracturing apparatus includes a motor, a first plunger pump, a power supply platform, a gas turbine engine, a generator, and one or more rectifiers. At least two of the gas turbine engine, the generator, and the one or more rectifiers are arranged on the power supply platform. A first end of the generator is connected to the gas turbine engine. A second end of the generator is connected to the one or more rectifiers. The generator is configured to output a voltage to the one or more rectifiers. The one or more rectifiers are configured to provide power to the motor. The motor is configured to drive the first plunger pump.

Abstract: The present disclosure generally relates to methods and user interfaces for authentication, including providing authentication at a computer system in accordance with some embodiments.

Abstract: Systems, devices, and methods for managing conductive connections for semiconductor devices are provided. In one aspect, a method includes: providing an integrated structure including an array structure in a first region and a conductive connection structure in a second region adjacent to the first region, at least one portion of at least one polysilicon layer being over the conductive connection structure; etching the at least one portion of the at least one polysilicon layer to expose one or more conductive connections in the conductive connection structure; depositing an isolating material over the array structure and the conductive connection structure; and forming conductive vertical interconnect accesses (VIAs) through the isolating material to be in contact with the one or more conductive connections and a conductive layer in the array structure.

Abstract: Methods, apparatus, and computer readable storage medium for intra prediction mode coding in video decoding. The method includes receiving a coded video bitstream; constructing a list of intra modes for a block in the coded video bitstream according to a pre-defined rule based on a size of the block; dividing the list of intra modes into a plurality of intra mode sets for the block; extracting, from the coded video bitstream, a set index indicating an intra mode set from the plurality of intra mode sets; extracting, from the coded video bitstream, a mode index indicating an intra prediction mode from the intra mode set; determining the intra prediction mode for the block based on the set index and the mode index; and decoding the coded video bitstream based on the intra prediction mode.