Patent ID: 11949897
Assignee: GE VIDEO COMPRESSION, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A method for reconstructing a sample array from an entropy-encoded data stream coded with the video, the method comprising:
entropy decoding a plurality of entropy slices in the entropy-encoded data stream to reconstruct the sample array, each of the plurality of entropy slices corresponding to one row of a plurality of rows of the sample array and each of the plurality of rows having a same number of blocks therein;
for a current entropy slice of the plurality of entropy slices, initializing, during a starting phase of the entropy decoding, a first probability estimate for the current entropy slice before decoding a first block of a current row corresponding to the current entropy slice based on a second probability estimate obtained after completing entropy decoding of a previously-decoded block of a previous row corresponding to a previous entropy slice of the plurality of entropy slices,
wherein the first block is the left-most block of the current row and the previously-decoded block is neighboring the first block, and the current and previous rows are consecutive rows of the sample array; and
the entropy decoding is performed, during a continuation phase of the entropy decoding, using the first probability estimate along an entropy coding path leading from left to right across the current row, the entropy decoding including: adapting the first probability estimate along the entropy coding path using only a previously-decoded part of the current entropy slice.