Derived prediction-mode flags reduce explicit bitstream signaling for video blocks, lowering encoding cost while preserving decoding accuracy.
Adaptive quantization gives complex macroblocks more bits, reducing visible artifacts within a fixed frame bit budget.
Tile-specific encryption and manifest-defined adaptation sets address DRM incompatibility and processing inefficiency across streaming platforms.
Aspect-ratio-based directional modes address asymmetric reference samples in rectangular video blocks while keeping hardware complexity low.
Dimension-based gating enables luma-dependent chroma residual scaling while limiting decoder pipeline latency.
Virtual padding supplies boundary samples outside coded blocks, reducing line-buffer memory and computational complexity during adaptive loop filtering.
Probability-guided scanning places likely non-zero transform coefficients earlier, reducing redundancy from fixed-order entropy coding.
Sub-grouping 4×4 coefficient regions enables local transform choices that improve coding efficiency without extensive signaling.
Conditional DMVR and BDOF processing limits motion-vector refinement when weighted prediction is present, reducing high-quality video decoding complexity.
Multiple APS indices let luma and chroma blocks use tailored adaptive loop filters, improving coding efficiency and decoded video quality.
Least-squares fitting of neighboring reconstructed samples sets weighted reference-block parameters, improving bi-prediction precision and compression efficiency.
An image encoder and decoder signal whether arithmetic coding was applied, enabling bypass operation to reduce processing delay.
Alternative chroma filter indices limit filter choices in each coding tree block, balancing VVC filtering quality, coding efficiency, and memory use.
Output-layer-aware reference decisions reduce transmitted parameter information while supporting accurate reconstruction of high-resolution images.
Same-side neighbors let CCSAO process samples beside virtual boundaries without using boundary samples, improving decoded-video bitrate and fidelity.
Large transform blocks raise quantization-matrix code amount; grouped values preserve finer control of DC and adjacent low-frequency elements.
Spatial and temporal neighboring blocks supply sub-block motion vectors that reduce video redundancy and improve encoding efficiency.
CTU-row groups and picture-reference layers let a multithreaded VVC decoder use heterogeneous CPU and GPU resources for real-time decoding.
Adaptive 16×16 sub-macroblocks reduce macroblock-type bits while improving boundary-aware intra prediction in video decoding.
MPD indicators identify replaceable picture-in-picture regions, enabling selective supplementary-video integration in DASH streams.
Derive chroma delta angles from luma nominal angles to avoid signaling all 56 directions and streamline AV1 decoding.
A buffer displays reconstructed portions early while a configurable reference cache preserves adjusted portions for later decoding.
CRA and BLA picture flags permit conditional leading-picture decoding, supporting adaptive delivery, editing, and seamless stream switching.
Dynamic rescaling encodes video at lower resolution, then filters the up-sampled picture to improve high-resolution quality and coding efficiency.
Neighboring block modes guide set and mode indices, reducing signaling bits for the growing range of intra prediction directions.
Control-point vectors expand affine-motion predictors, improving compression efficiency in video encoding and decoding.
Template matching selects candidate motion vector differences for MMVD decoding, improving prediction accuracy while reducing the bits needed to represent motion differences.
Conventional screen-content encoders lack subpixel block-vector expression; adaptive 1-pel or 4-pel signaling improves coding efficiency.
High-quality video raises transmission and storage costs; optimized RST kernels and transform sets improve compression efficiency.
Prepared external reference samples let narrow coding sub-partitions run independently, reducing sequential dependencies for parallel video processing.
Bitstream features such as quantization parameters and motion vectors predict viewer quality without decoding for live profile selection.
Brightness-change detection selects weight prediction candidates for video blocks, improving prediction when reference correlation is low.
Communication-aware compression adjusts moving-image data size by content to reduce display delay while preserving image quality over variable network conditions.
Shared reference quantization for non-transformed blocks and palette escape values suppresses code growth while preserving image quality.
Syntax elements signal dependencies between picture partitions, reducing rigid tile constraints and improving compression efficiency.
Wide offset ranges increase memory needs in video coding; adaptive limits preserve block distortion suppression while reducing storage.
Buffer resets at picture or slice boundaries help prevent invalid block vectors while simplifying reference-sample management in intra block copy coding.
Adaptive CABAC contexts encode and decode motion vector predictor indices, improving video coding efficiency while limiting complexity.
CABAC segmentation separates spatial, temporal, and ATMVP merge candidates to improve motion predictor index coding efficiency and reduce complexity.
See how bitstream signaling configures neural post-filters for black-and-white video colorization, bit-depth increase, and frame-rate changes.
Neural networks identify less important frame regions and reduce their encoding resources, lowering VVC bitrate without perceptible quality loss.
Fixed primary and secondary MPM lists can consume many index bits; cost-ranked mode selection and angular offsets reduce intra-prediction coding overhead.
Learn how reconstructed neighboring subblocks complete missing templates for more accurate intra template matching prediction.
Filtering selected reference video units with neural-network post-processing improves coding efficiency and performance without changing the core coding architecture.
Modulo results, magnitude thresholds, remainder values, and sign flags refine coefficient entropy coding to improve video compression and reduce bandwidth.
A history table and CCP candidate list guide chroma prediction for video blocks, improving coding efficiency while managing prediction complexity.
Adaptive node groups and mode flags target planar geometry in G-PCC, reducing bits and improving point cloud compression.
An ordered neural-network post-filter processes multiple pictures to improve coding efficiency, preserve video quality, and reduce bitrate.
Neighboring-block motion predictors and layered index coding jointly encode horizontal and vertical differences, improving compression efficiency for high-resolution, high-frame-rate video.
SEI signaling identifies neural-network post-filter purposes for picture rate upsampling, improving video coding and decoding efficiency.