Abstract: An encoder encodes a video, and includes: circuitry; and memory coupled to the circuitry. Using the memory, the circuitry: obtains at least two items of prediction information for a first partition included in the video; derives at least one template from neighboring samples which neighbor the first partition; calculates at least two costs, using the at least one template and the at least two items of prediction information; using the at least two costs, (i) determines at least one splitting direction for the first partition or (ii) assigns one of the at least two items of prediction information to a second partition split from the first partition according to the splitting direction, and another thereof to a third partition split from the first partition according to the splitting direction; and encodes the first partition according to the splitting direction and the at least two items of prediction information.

Abstract: In one embodiment, an apparatus includes a processor, a laser, and a modulator. The processor is to generate a first electrical signal including first data and a second electrical signal including second data. The laser is to generate a multiplexed carrier signal comprising a first carrier signal and a second carrier signal, the laser to operate at a first laser power setting. The modulator is to generate a multiplexed optical signal including a first optical signal based in part on the first electrical signal and the first carrier signal and a second optical signal based in part on the second electrical signal and the second carrier signal. The apparatus is to transmit the multiplexed optical signal to a device and to retransmit the first data from the apparatus to the device based on a detection of error in a received version of the first data at the device. Other embodiments are described and claimed.

Abstract: An encoder according to one aspect of the present disclosure encodes a block of an image, and includes a processor and memory connected to the processor. Using the memory, the processor partitions a block into a plurality of sub blocks and encodes a sub block included in the plurality of sub blocks in an encoding process including at least a transform process or a prediction process. The block is partitioned using a multiple partition including at least three odd-numbered child nodes and each of a width and a height of each of the plurality of sub blocks is a power of two.

Abstract: Semiconductor devices including fin-shaped isolation structures and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a fin extending from a semiconductor substrate; a shallow trench isolation (STI) region over the semiconductor substrate adjacent the fin; and a dielectric fin structure over the STI region, the dielectric fin structure extending in a direction parallel to the fin, the dielectric fin structure including a first liner layer in contact with the STI region; and a first fill material over the first liner layer, the first fill material including a seam disposed in a lower portion of the first fill material and separated from a top surface of the first fill material, a first carbon concentration in the lower portion of the first fill material being greater than a second carbon concentration in an upper portion of the first fill material.

Abstract: During video encoding or decoding, cross-component prediction can be used to predict a chroma sample from collocated reconstructed luma samples. The prediction can be based on a gradient of the collocated reconstructed luma samples, a down-sampled value of the collocated reconstructed luma samples, or a combination thereof. An exemplary method includes: determining a first value associated with a chroma sample, by applying a first gradient pattern to reconstructed values of a first plurality of luma samples; determining a second value associated with the chroma sample, by applying a down-sampling filter to reconstructed values of a second plurality of luma samples; and predicting the chroma sample based on the first value and the second value.

Abstract: An encoder includes circuitry and memory connected to the circuitry. In operation, the circuitry corrects a base motion vector using a correction value in a fixed direction; and encodes a current partition by using the corrected base motion vector corrected. The correction value is specified by an index indicating one of correction values included in a table. The table is selected from among a plurality of tables, wherein the correction values in one of the plurality of tables have different increments from the correction values in another one of the plurality of tables.

Abstract: An encoder includes circuitry and memory coupled to the circuitry. The circuitry, in operation, determines whether a first block is available and whether a second block is available, the first block and the second block being defined relative to a current block to be processed; selects a context model based on whether the first block is available, whether the second block is available, which of inter prediction and intra prediction is to be applied to the first block, and which of inter prediction and intra prediction is to be applied to the second block; and encodes, using the context model selected, a parameter indicating which of intra prediction and inter prediction is to be applied to the current block.

Abstract: The present disclosure provides a computer-implemented method for decoding video. The method includes receiving a bitstream including a coding unit of a video frame, the coding unit being coded in a skip mode or a direct mode; determining whether the coding units has a width greater than a threshold width or a height greater than a threshold height; in response to the coding unit having the width greater than the threshold width or the height greater than the threshold height, enabling a motion vector angular prediction process to store one or more motion vector angular prediction candidates in a candidate list storing a plurality of motion candidates associated with the coding unit; and performing an inter prediction to the coding unit according to the candidate list and an index parsed from the bitstream.

Abstract: Methods are provided for optical flow-based motion refinement. An exemplary method includes: receiving a bitstream; and decoding, using coded information of the bitstream, one or more pictures, wherein the decoding includes: determining whether a current block is coded by partitioning into multiple parts; and in response to the current block being partitioned into multiple parts that are inter predicted according to respective reference blocks, determining whether to apply a local illumination compensation (LIC) process to the multiple parts based on whether a coded block applies the LIC process.

Abstract: Methods and apparatuses are provided for subblock-based temporal motion vector prediction (SbTMVP). An exemplary decoding method includes: decoding a target coding unit (CU) based on a SbTMVP mode, wherein the target CU is divided into a plurality of subblocks; determining a same reference picture index for the plurality of subblocks; selecting, based on the determined reference picture index, a reference picture from a list of reference pictures; generating a plurality of predicted subblocks based on the selected reference picture; and reconstructing the target CU based on the plurality of predicted subblocks.

Abstract: Technologies for thermal plugs in photonic integrated circuit (PIC) dies are disclosed. In an illustrative embodiment, several thermal plugs extend from contact pads in a PIC die, through a dielectric layer, to a waveguide layer. The thermal plugs can carry heat at a higher rate than the surrounding dielectric layer, increasing the heat transfer through the PIC die. The PIC die may be mounted on an electronic integrated circuit (EIC) die in an integrated circuit component. The PIC die can transfer heat from the EIC die, through the PIC die, and to another component such as an integrated heat spreader, lowering the temperature of the EIC die. The thermal plugs can increase the heat transfer through the PIC die.

Abstract: An encoder which includes circuitry and memory. Using the memory, the circuitry generates a list which includes candidates for a first motion vector for a first partition. The list has a maximum list size and an order of the candidates, and at least one of the maximum list size or the order of the candidates is dependent on at least one of a partition size or a partition shape of the first partition. The circuitry selects the first motion vector from the candidates included in the list; encodes an index indicating the first motion vector among the candidates in the list into the bitstream based on the maximum list size; and generates the predicted image for the first partition using the first motion vector.

Abstract: Methods and apparatuses are provided for motion template-matching-based motion refinement. An exemplary method includes: dividing a target coding block into a plurality of subblocks; determining a first plurality of templates associated with the plurality of subblocks; determining a plurality of reference templates based on the first plurality of templates; performing motion compensation to the target coding block based on an affine merge candidate; and refining the motion compensation by matching the first plurality of templates and the plurality of reference templates.

Abstract: Embodiments described herein may be related to apparatuses, processes, and techniques related to packages that include CPUs and PICs electrically coupled via an interconnect bridge. In embodiments, the PIC are electrically coupled with the EMIB using a fan out RDL to extend reach of the PIC electrical connectors. EICs may be electrically coupled between the PIC and the interconnect bridge. The CPUs may be CPUS, graphical processing units (GPUs), field programmable gate arrays (FPGAs), or other processors. Other embodiments may be described and/or claimed.

Abstract: The present disclosure provides a video data processing method. The method includes: receiving a bitstream; decoding a first index from the bitstream; determining a maximum number of an adaptive loop filter (ALF) for a component of a picture based on the first index; and processing pixels in the picture with the ALF.

Abstract: The present disclosure provides a video data processing method for cross-component sample adaptive offset (CCSAO). The method includes determining an index based on a vertical coordinate of a chroma sample within a picture; determining a luma sample based on the index; classifying the chroma sample based on a reconstructed value associated with the luma sample; determining an offset based on the classification; and adding the offset to a reconstructed value associated with the chroma sample.

Abstract: The present disclosure provides a computer-implemented method for encoding video. The method includes: determining whether a coded video sequence (CVS) contains equal number of profile, tier and level (PTL) syntax structures and output layer sets (OLSs); and in response to the CVS containing equal number of PTL syntax structures and OLSs, coding the bitstream without signaling a first PTL syntax element specifying an index, to a list of PTL syntax structures in the VPS, of a PTL syntax structure that applies to a corresponding OLS in the VPS.

Abstract: An image encoder includes circuitry and a memory, wherein the circuitry, in operation, obtains a current block from a coding tree unit (CTU); determines whether inter prediction is to be applied to the current block; in response to determining that the inter prediction is to be applied, performs a partition prediction process; and, in response to determining that the inter prediction is not to be applied, encodes the current block without using the partition prediction process. The partition prediction process includes predicting first values of a set of pixels between a first partition and a second partition in the current block, using a first motion vector for the first partition; predicting second values of the set of pixels, using a second motion vector for the second partition; weighting the first values and the second values; and generating a prediction image for the current block using the weighted first and second values.

Abstract: An image encoder writes a first parameter and a second parameter to a bitstream, and derives a partition mode based on the first and second parameters. Responsive to the derived partition mode being a first partition mode, the image encoder executes the first partition mode including: splitting a block of a picture into a plurality of first blocks including a N×2N block sized N pixels by 2N pixels; splitting the N×2N block, wherein a ternary split is allowed to split the N×2N block in a vertical direction, which is a direction along the 2N pixels, into a plurality of sub blocks including at least one sub block sized N/4×2N, while a binary split is not allowed to split the N×2N block in the vertical direction into two sub blocks that are equally sized N/2×2N; and encoding the plurality of sub blocks.

Abstract: An encoder includes circuitry and memory. Using the memory, the circuitry, in operation, selects an encoding mode from among candidates including a decoder-side motion vector refinement (DMVR) encoding mode and a partition encoding mode. When the DMVR encoding mode is selected, the circuitry: obtains a first motion vector for a first image block; derives a second motion vector from the first motion vector using motion search; and generates a prediction image for the first image block using the second motion vector. When the partition encoding mode is selected, the circuitry: determines a plurality of partitions in a second image block; obtains a third motion vector for each partition; and generates a prediction image for the second image block using the third motion vector, without deriving a fourth motion vector from the third motion vector using motion search.