H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 1/64 (2006.01) G06T 7/00 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01)
Patent
CA 2760795
A new approach is proposed that contemplates systems and methods to support block-based compression of a compound image by skipping "don't care" blocks in the layers of the image while neither introducing significant overhead nor requiring changes to the compression method used. The block-based compression approach first segments a compound image into multiple layers and then recomposes a new set of image layers, possibly with new dimensions, from only the non-"don't care" blocks in the layers of the original image. The approach may later decompress the compressed image layers and restore the image by copying the decompressed blocks to their respective positions in the original image.
L'invention propose une nouvelle stratégie qui concerne des systèmes et des procédés qui permettent la compression basée sur blocs d'une image composite en sautant les blocs "sans importance" des couches de l'image sans introduire de surcharge significative ni apporter de changements au procédé de compression utilisé. La stratégie de compression basée sur blocs commence par segmenter une image composite en plusieurs couches et recompose ensuite un nouveau jeu de couches d'image, éventuellement avec de nouvelles dimensions, uniquement à partir des blocs non "sans importance" des couches de l'image initiale. La stratégie peut ensuite décompresser les couches d'image compressées et restaurer l'image en copiant les blocs décompressés dans leurs positions respectives dans l'image initiale.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Citrix Systems Inc.
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