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searching for Block transform 12 found (13 total)

alternate case: block transform

Lapped transform (291 words) [view diff] exact match in snippet view article find links to article

non-overlapping block transform had been used. Lapped transforms substantially reduce the blocking artifacts that otherwise occur with block transform coding techniques
Bink Video (540 words) [view diff] no match in snippet view article find links to article
Epic Games Tools' previous video codec, Smacker video. It is a hybrid block-transform and wavelet codec using 16 different encoding techniques. The codec
Macroblock (721 words) [view diff] exact match in snippet view article find links to article
divided into transform blocks, which serve as input to the linear block transform, e.g. the DCT. In H.261, the first video codec to use macroblocks,
Coding tree unit (1,116 words) [view diff] exact match in snippet view article find links to article
of DCT transform units (TUs). TUs contain coefficients for spatial block transform and quantization. A TU can be 32×32, 16×16, 8×8, or 4×4 pixel block
Compression artifact (2,354 words) [view diff] exact match in snippet view article find links to article
checkerboarding. Block-artifacts are a result of the very principle of block transform coding. The transform (for example the discrete cosine transform) is
Video Coding Experts Group (2,109 words) [view diff] exact match in snippet view article find links to article
began experimenting with the much more efficient motion-compensated block transform hybrid compression model for video coding. In 1994, Richard Shaphorst
Advanced Video Coding (9,792 words) [view diff] exact match in snippet view article find links to article
to reduce complexity, including: An exact-match integer 4×4 spatial block transform, allowing precise placement of residual signals with little of the
JPEG (13,398 words) [view diff] exact match in snippet view article find links to article
particular limitation of JPEG in this regard is its non-overlapped 8×8 block transform structure. More modern designs such as JPEG 2000 and JPEG XR exhibit
AV1 (11,253 words) [view diff] case mismatch in snippet view article find links to article
Kenneth (29 September 2011). "Jointly Optimized Spatial Prediction and Block Transform for Video and Image Coding" (PDF). IEEE Transactions on Image Processing
Color Cell Compression (1,293 words) [view diff] no match in snippet view article find links to article
limited hardware. Although far surpassed in compression ratio by later block-transform coding methods such as JPEG, it has the advantage of very simple decompression
Filter bank (5,930 words) [view diff] exact match in snippet view article find links to article
signal dependent Karhunen–Loève transform (KLT) that is the optimal block transform where the length L of basis functions (filters) and the subspace dimension
Thomas Huang (3,299 words) [view diff] exact match in snippet view article find links to article
Grant Anderson were one of the first teams to propose a method for block transform coding, building on the work of J. J. Y. Huang and Peter M. Schultheiss