Abstract: A method for adjusting application settings is provided. The method includes using an application setting module to receive at least one performance target from an application running on an electronic device. The method further includes using the application setting module to record at least one performance indicator of the application while the application is running, wherein the performance indicator corresponds to the performance target. The method further includes using the application setting module to estimate the estimated time that the temperature of the electronic device sustains less than the defense temperature. The method further includes using the application setting module to determine the score according to the performance indicator and the estimated time, wherein the score indicates to the application that it should raise, lower, or keep a current setting.

Abstract: A method and apparatus for video coding are disclosed for the encoder side and the decoder side. According to the method for the decoder side, encoded data associated with a current block is received. A pseudo GPM in a target GPM group for the current block is determined. The current block is divided into one or more subblocks. Assigned MVs (Motion Vectors) of each subblock are determined according to the pseudo GPM. A cost for each GPM in the target GPM group is determined according to decoded data. A selected GPM is determined based on a mode syntax and a reordered target GPM group corresponding to the target GPM group reordered according to the costs, wherein the pseudo GPM is allowed to be different from the selected GPM. The encoded data is decoded using information comprising the selected GPM.

Abstract: Methods and apparatus of video coding are disclosed. According to this method, input data comprising pixel data for a current block to be encoded at an encoder side or encoded data of the current block to be decoded at a decoder side is received. When one or more reference blocks or sub-blocks of the current block are coded in an affine mode, the following coding process is applied: one or more derived MVs (Motion Vectors) are determined for the current block according to one or more affine models associated with said one or more reference blocks or sub-blocks; a merge list comprising at least one of said one or more derived MVs as one translational MV candidate is generated; and predictive encoding or decoding is applied to the input data using information comprising the merge list.

Abstract: Video encoding or decoding methods and apparatuses include receiving input data associated with a current block in a current picture, determining a preload region in a reference picture shared by two or more coding configurations of affine prediction or motion compensation or by two or more affine refinement iterations, loading reference samples in the preload region, generating predictors for the current block, and encoding or decoding the current block according to the predictors. The predictors associated with the affine refinement iterations or coding configurations are generated based on some of the reference samples in the preload region.

Abstract: A method and apparatus for inter prediction in video coding system are disclosed. According to the method, one or more model parameters of one or more cross-color models for the second-color block are determined. Then, cross-color predictors for the second-color block are determined, wherein one cross-color predictor value for the second-color block is generated for each second-color pixel of the second-color block by applying said one or more cross-color models to corresponding reconstructed or predicted first-color pixels. The input data associated with the second-color block is encoded using prediction data comprising the cross-color predictors for the second-color block at the encoder side, or the input data associated with the second-color block is decoded using the prediction data comprising the cross-color predictors for the second-color block at the decoder side.

Abstract: A method and apparatus for video coding are disclosed. According to the method for the decoder side, a first syntax, related to whether the current block is coded in a CCLM related mode, is parsed from a bitstream comprising the encoded data for the current block. If the first syntax indicates the current block being coded in the CCLM related mode, a second syntax is parsed from the bitstream, wherein the second syntax is related to whether a multiple model CCLM mode is used or whether one or more model parameters are explicitly signalled or implicitly derived. The model parameters for the second-colour block are determined if the first syntax indicates the current block being coded in a CCLM related mode. The encoded data associated with the second-colour block is then decoded using prediction data comprising the cross-colour predictor for the second-colour block.

Abstract: A method and apparatus for video coding are disclosed. According to the method, a set of MC (Motion Compensation) candidates with each MC candidate comprising predicted samples for coding boundary pixels of the current block are determined. The set of MC candidates comprises a first candidate, and wherein the first candidate corresponds to a weighted sum of first predicted pixels generated according to first motion information of the current block and second predicted pixels generated according to second motion information of a neighbouring boundary block of the current block. Boundary matching costs associated with the set of MC candidates are determined respectively. A final candidate is determined from the set of MC candidates based on the boundary matching costs. The current block is encoded or decoded using the final candidate.

Abstract: A method and apparatus for video coding are disclosed. According to the method for the decoder side, encoded data associated with a current block comprising a first-colour block and a second-colour block are received. An inherited model parameter set is determined from a previously coded block coded in a first CCLM related mode, wherein the inherited model parameter set comprises a first scaling parameter associated with the first CCLM related mode. A final inherited model parameter set is derived if an update value for the inherited model parameter set is determined, where the final inherited model parameter set is determined based on the first scaling parameter and the update value. Then, the encoded data associated with the second-colour block are decoded using prediction data based on an updated CCLM related model associated with the final inherited model parameter set. A method and apparatus for the encoder side are also disclosed.

Abstract: A method and apparatus for inter prediction in video coding system are disclosed. According to the method, input data associated with a current block comprising at least one colour block are received. A blending predictor is determined according to a weighted sum of at least two candidate predictions generated based on one or more first hypotheses of prediction, one or more second hypotheses of prediction, or both. The first hypotheses of prediction are generated based on one or more intra prediction modes comprising a DC mode, a planar mode or at least one angular modes. The second hypotheses of prediction are generated based on one or more cross-component modes and a collocated block of said at least one colour block. The input data associated with the colour block is encoded or decoded using the blending predictor.

Abstract: A method for video encoding and decoding using Low-Frequency Non-Separable Transform (LFNST) mode and apparatus thereof are disclosed. The input data correspond to primary transformed data at the encoder and the input data correspond to coded data of the current CU at the decoder. A CU is partitioned into one or more transform blocks (TBs). An LFNST syntax is determined at an encoder side or at a decoder side if one or more conditions are satisfied. The LFNST syntax indicates whether the LFNST mode is applied to the current CU and/or which LFNST kernel is applied when the LFNST mode is applied. The conditions comprise the CBF indications for the target TBs being false. The current CU is encoded or decoded according to the LFNST mode as indicated by the LFNST syntax.

Abstract: A video coding system that uses multiple models to predict chroma samples is provided. The video coding system receives data for a block of pixels to be encoded or decoded as a current block of a current picture of a video. The system constructs two or more chroma prediction models based on luma and chroma samples neighboring the current block. The system applies the two or more chroma prediction models to incoming or reconstructed luma samples of the current block to produce two or more model predictions. The system computes predicted chroma samples by combining the two or more model predictions. The system uses the predicted chroma samples to reconstruct chroma samples of the current block or to encode the current block.

Abstract: A system comprises a controller, configured to receive at least one thermal control setting and a system temperature, and to perform a first thermal throttling operation according to at least one thermal control instruction; and an application, coupled to the controller, configured to receive the at least one thermal control setting and the system temperature from the controller, and to generate the at least one thermal control instruction according to the at least one thermal control setting and the system temperature.

Abstract: A video coding system that uses multiple models to predict chroma samples is provided. The video coding system receives data for a block of pixels to be encoded or decoded as a current block of a current picture of a video. The video coding system derives multiple prediction linear models based on luma and chroma samples neighboring the current block. The video coding system constructs a composite linear model based on the multiple prediction linear models. The video coding system applies the composite linear model to incoming or reconstructed luma samples of the current block to generate a chroma predictor of the current block. The video coding system uses the chroma predictor to reconstruct chroma samples of the current block or to encode the current block.

Abstract: A method and apparatus for video coding system that uses intra prediction based on cross-colour linear model are disclosed. According to the method, model parameters for a first-colour predictor model are determined and the first-colour predictor model provides a predicted first-colour pixel value according to a combination of at least two corresponding reconstructed second-colour pixel values. According to another method, the first-colour predictor model provides a predicted first-colour pixel value based on a second degree model or higher of one or more corresponding reconstructed second-colour pixel values. First-colour predictors for the current first-colour block are determined according to the first-colour prediction model. The input data are then encoded at the encoder side or decoded at the decoder side using the first-colour predictors.

Abstract: Various schemes pertaining to video coding parallelization techniques are described. An apparatus receives video data. The apparatus subsequently calculates a plurality of figures of merits (FOMs), each of the FOM representing how well a particular coding tool may perform in encoding the video data. The apparatus further determines a coding tool that may be suitable for encoding the video data by comparing the FOMs. In determining the coding tool, the apparatus utilizes time-interleaving techniques to parallelly process the video data. The video data may include an array of coding blocks, and the apparatus may receive the video data using a snake-like processing order scanning through the array of coding blocks.

Abstract: A video coding system that uses chroma prediction is provided. The system receives data for a block of pixels to be encoded or decoded as a current block of a current picture of a video. The system constructs a chroma prediction model based on luma and chroma samples neighboring the current block. The system signals a set of chroma prediction related syntax element and a refinement to the chroma prediction model. The system performs chroma prediction by applying the chroma prediction model to reconstructed luma samples of the current block to obtain predicted chroma samples of the current block. The system uses the predicted chroma samples to reconstruct 10 chroma samples of the current block or to encode the current block.

Abstract: A video encoder or a video decoder may perform operations to determine an initial motion vector (MV) such as a control point motion vector (CPMV) candidate according to an affine mode or an additional prediction signal representing an additional hypothesis motion vector, for a current sub-block in a current frame of a video stream; determine a current template associated with the current sub-block in the current frame; retrieve a reference template within a search area in a reference frame; and compute a difference between the reference template and the current template based on an optimization measurement. Additional operations performed may include iterating the retrieving and the computing the difference for a different reference template within the search area until a refinement MV, such as a refined CPMV or refined additional hypothesis motion vector, is found to minimize the difference according to the optimization measurement.

Abstract: A video coding system that uses local illumination compensation to code pixel blocks is provided. A video encoder receives samples for an original block of pixels to be encoded as a current block of a current picture of a video. The video encoder applies a linear model to a reference block to generate a prediction block for the current block. The linear model includes a scale parameter and an offset parameter. The video encoder may use the samples of the original block and samples from a reconstructed reference frame to derive the scale parameter and the offset parameter. The video encoder signals the scale parameter and the offset parameter in a bitstream. The video encoder encodes the current block by using the prediction block to reconstruct the current block.

Abstract: A video processing method comprises receiving input data of a current block, checking if the current block satisfies one or more predefined criteria, setting the current block to be a root block if the current block satisfies the predefined criteria, one or more color components of one or more blocks in the current block are not checked with the predefined criteria if the current block is a root block, encoding or decoding the one or more color components of one or more blocks in the current block using neighboring reconstructed samples of the one or more color components of the current block as reference samples if the current block is a root block. Each block in the current block is encoded or decoded using neighboring reconstructed samples of each block in the current block as reference samples if the current block is not a root block.

Abstract: A method and apparatus of prediction for video coding are disclosed. According to one method, a luma Intra prediction mode is determined for a corresponding luma block collocated with the current chroma block, where a predefined mode is assigned to the luma Intra prediction mode when the corresponding luma block collocated with the current chroma block satisfies one or more conditions. A chroma Intra prediction mode is determined for the current chroma block according to the luma Intra prediction mode. The current chroma block is then encoded or decoded according to the chroma Intra prediction mode. According to another method, a predefined mode is assigned to Intra prediction mode for the current block when the current block satisfies one or more conditions. The current block is then encoded or decoded according to the Intra prediction mode.