Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus includes processing circuitry. For example, the processing circuitry obtains reconstructed samples in a temporal source frame that is different from a current frame, and determines filter coefficients of a filter for a current block in the current frame based on at least the reconstructed samples in the temporal source frame. The processing circuitry generates prediction information of the current block based on the determined filter coefficients. The temporal source frame is an inter coded frame that satisfies at least one of a quantization parameter (QP) requirement, a temporal distance requirement, and a reference picture requirement.

Abstract: The various embodiments described herein include methods and systems for coding video. In one aspect, a method includes obtaining video data including a syntax element with a corresponding alphabet of M elements, a first set of respective probabilities of occurrence for the M elements of the syntax element; and a second set of respective probabilities of occurrence for the M elements of the syntax element. The method further includes entropy coding a first portion of the video data in accordance with an aggregation of the first and second sets; and, while entropy coding the first portion of the video data, encountering a first syntax element. The method also includes updating the first set at a first rate and updating the second set at a second rate, faster than the first rate. The method further includes adaptively entropy coding a second portion of the video data.

Abstract: This application relates to the field of communications technologies, and provides ambient light and optical proximity detection methods, a photographing method, and a terminal, so that an entire display screen of the terminal is used to display a user interface, and this improves user experience. The method specifically includes: controlling, by a terminal, some areas of a display screen to display a black picture for a plurality of times; and when the areas display the black picture, obtaining an intensity of ambient light detected by an ambient light sensor to adjust luminance of the display screen.

Abstract: The various implementations described herein include methods and systems for coding video. The methods include receiving a motion vector difference (MVD) of a video block from the video stream; in response to a determination that an adaptive MVD resolution mode of an inter prediction mode is signaled, searching for a first template of a prediction video block for the video block, and the first/second template is the neighboring reconstructed/predicted samples of the prediction video block/current block, and the prediction video block is a reconstructed/predicted forward or backward video block of the video block; locating the first template of the prediction video block that is a best match for a second template of the video block; refining a motion vector (MV) of the video block based on at least the second template, the located first template, and the MVD; and reconstructing/processing the video block based on at least the refined MV.

Abstract: A system and method for operating a multi-battery module electrical power system is disclosed. The system and method permit safe and efficient operation with multiple batteries of varying characteristics including in controlling and connecting said batteries to a bus or load such as a DC motor for one or two-directional current and power flow. In an aspect the present system comprises multi-layer controls that can controllably switch operation of the system or portions thereof between several (e.g., four) operating quadrants defined by a voltage-current characteristic.

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 determining a plurality of candidate intra prediction modes; generating a most probable mode (MPM) list using the plurality of candidate intra prediction modes; signaling a reference line index indicating a reference line used to encode the current block from among a plurality of reference lines including an adjacent reference line and a plurality of non-adjacent reference lines; and signaling an intra mode index indicating the intra prediction mode, wherein the MPM list is generated based on the reference line used to encode the current block and whether an intra sub-partition (ISP) mode is enabled.

Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a method includes determining whether multiple transform units are within the video block in accordance with a determination that the inter-prediction mode is enabled; and in accordance with a determination that multiple transform units are within the video block: determining a transform unit of the multiple transform units to apply a secondary transform based on a relative location of the transform unit within the video block, applying the secondary transform to the transform unit, and reconstructing/processing the video block based at least on the secondary transform.

Abstract: A method performed by at least one processor of a video decoder includes receiving a coded video bitstream including at least one picture and one or more syntax elements encoded in accordance with multi-hypothesis arithmetic coding. The method further includes decoding each syntax element from the one or more syntax elements based on the multi-hypothesis arithmetic coding. The method further includes selecting a probability update rate from a plurality of probability update rates based on a predetermined condition, the plurality of probability update rates including a first probability update rate that is higher than a second probability update rate. The method further includes updating at least one probability model utilized in the multi-hypothesis arithmetic coding based on the selected probability update rate. The method further includes decoding at least one block in the at least one picture based on the decoded one or more syntax elements.

Abstract: The various embodiments described herein include methods and systems for coding video. In one aspect, a method includes obtaining video data that includes a first syntax element with a corresponding alphabet of M elements, and obtaining respective probabilities of occurrence for the M elements. The method further includes entropy coding a first portion of the video data using the respective probabilities of occurrence, and, while entropy coding, encountering the first syntax element. The method also includes updating probabilities of occurrence based on the first syntax element, and, in accordance with at least one of the updated probabilities being less than a threshold probability value, determining regularized probabilities of occurrence by applying a probability regularization to the updated probabilities of occurrence, where the probability regularization does not include a division operation.

Abstract: Methods, drive circuits, and lidars for laser emission control are provided. The drive circuit is configured to be coupled to a laser device and an energy storage unit, and includes a drive unit, a switch unit, and a detection unit. The energy storage unit includes a first terminal coupled to the laser device and the switch unit. The energy storage unit also includes a second terminal grounded, and forms the voltage supply path with a supplied voltage and the switch unit to perform charging based on a switch signal of a second control terminal, and to perform discharging based on a laser emission trigger signal of a first control terminal. The detection unit is configured to detect a signal of the first terminal of the energy storage unit during discharging and generate a corresponding state feedback signal based on a comparison of the signal with a preset threshold.

Abstract: An active-passive integrated antenna is provided. The active-passive integrated antenna includes a reflective plate, a pair of mounting portions respectively secured to two sides of a bottom of the reflective plate, a dielectric plate, a plurality of passive antenna elements and an active antenna unit. More specifically, the dielectric plate is spaced apart from the reflective plate on the pair of mounting portions, and a first surface of the dielectric plate is provided with a frequency selection surface; the plurality of passive antenna elements are respectively arranged on the reflective plate and the frequency selection surface; the active antenna unit is arranged above a second surface of the dielectric plate and secured to the pair of mounting portions.

Abstract: Aspects of the disclosure provide methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. Prediction information for a current block in a current picture is determined. The prediction information indicates that the current block is to be encoded in (1) an intra sub-partition (ISP) mode and (2) one of a planar intra prediction mode or a DC intra prediction mode. The current block is partitioned into a plurality of sub-partitions based on the ISP mode. Each sub-partition is associated with at least one different reference sample. Residual information for each sub-partition is generated based on the at least one different reference sample associated with the respective sub-partition. The current block is encoded based on the determined prediction information and the generated residual information of the plurality of sub-partitions.

Abstract: According to an aspect of the disclosure, a method of video decoding is performed in a video decoder. In the method, coded information of a current block is received from a coded video bitstream. The coded information includes prediction information of the current block. A determination is made whether the current block is predicted using a neighboring reconstructed sample from a non-zero reference line based on the coded information. A primary transform type is determined based on the determination that the current block is predicted using the neighboring reconstructed sample from the non-zero reference line. A primary transform is performed for a transform block that is partitioned from the current block in accordance with the determined primary transform type.

Abstract: A method, system, and non-transitory computer readable medium is provided for decoding video data. Video data comprising a chroma component having a first nominal angle and first delta angles and a luma component having a second nominal angle and second delta angles is received, wherein the first delta angles are dependent on the second delta angles. The first delta angle values corresponding to the first delta angles are parsed or derived based at least on second delta values corresponding to the second delta angles, wherein the first delta angle values are derived from one or more nominal angles associated with one or more sample positions corresponding to one or more luma blocks. A prediction mode associated with the chroma component based on a nominal mode of a corresponding luma block is entropy-coded. The video data is decoded based on the first delta angle values corresponding to the first delta angles.

Abstract: Provided herein are compounds of Formula (I): and forms thereof, wherein w1, w2, w3, w4, w5, w6 and w7 are as defined herein, including compositions thereof and uses therewith for treating spinal muscular atrophy.

Abstract: A method for applying adaptive weightings on intra prediction and inter prediction parts in compound inter-intra prediction modes includes defining a template area of neighboring reconstruction or prediction samples, applying one or more adaptive weighting candidates to the template area to generate one or more prediction samples using compound inter-intra prediction, calculating a cost value for each of the one or more adaptive weighting candidates, selecting the adaptive weighting candidate that provides the lowest cost as the weighting used for decoding a block with compound inter-intra prediction mode, and decoding the block based on the selected adaptive weighting.

Abstract: Aspects of the disclosure include methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information of a coding unit in a video bitstream. The processing circuitry determines whether a luma block and a chroma block associated with the coding unit have different partitioning trees based on the prediction information. When the luma block and the chroma block have different partitioning trees, the processing circuitry determines whether the luma block is coded in intra block copy (IBC) mode based on a first IBC flag included in the prediction information. The processing circuitry determines whether the chroma block is coded in the IBC mode based on one of the first IBC flag, a second IBC flag included in the prediction information, and a default mode. The processing circuitry reconstructs the current coding unit based on the luma block and the chroma block.

Abstract: Aspects of the present disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus includes processing circuitry that is configured to receive a coded video stream including a current block that is associated with a transform block, and determine whether a transform skip is used in the transform block. In response to a determination that the transform skip is not used in the transform block, the processing circuitry is configured to perform a first transform coefficient sign prediction in which (i) first signs of a first plurality of transform coefficients are predicted based on a first plurality of neighboring samples, and (ii) second signs of a second plurality of transform coefficients are predicted based on a second plurality of neighboring samples. The processing circuitry is further configured to reconstruct the current block based on the first plurality of transform coefficients and the second plurality of transform coefficients.

Abstract: Aspects of the disclosure provide methods and apparatuses for filtering in video encoding/decoding. In some examples, an apparatus for video filtering includes processing circuitry. The processing circuitry determines a first offset value for applying a non linear mapping based filter based on first reconstructed samples at a first node in a loop filter chain. Then, the processing circuitry applies the first offset value to an intermediate reconstructed sample at a second node along the loop filter chain to generate a second reconstructed sample.

Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding and/or decoding. In some examples, an apparatus for video decoding includes processing circuitry that can decode coded information of a transform block (TB) from a coded video bitstream. The coded information indicates a region of the TB on which a secondary transform is applied. The region includes a first sub-region having transform coefficients calculated by the secondary transform and a second sub-region that is a zero-out region. In response to a determination that a neighboring transform coefficient is in the second sub-region and a current transform coefficient in the TB is not in the second sub-region, the processing circuitry determines the current transform coefficient according to a default value for the neighboring transform coefficient. The processing circuitry reconstructs a sample in the TB based on the transform coefficient for the sample.