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

Claim 13:
14. A method for encoding a sample array into an entropy-encoded data stream coded with a video, the method comprising:
entropy encoding a plurality of entropy slices into the entropy-encoded data stream, 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 encoding, 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 encoding of a previously-encoded 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-encoded block is neighboring the first block, and the current and previous rows are consecutive rows of the sample array; and
the entropy encoding is performed, during a continuation phase of the entropy encoding, using the first probability estimate along an entropy coding path leading from left to right across the current row, the entropy encoding including adapting the first probability estimate along the entropy coding path using only a previously-encoded part of the current entropy slice.