PATENT CLAIM ANALYSIS

Application Number: 15890864
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["375", "240270"]

Abstract:
A raw byte sequence payload describing a picture in slices, WPP substreams or tiles and coded using context-adaptive binary arithmetic coding is subdivided into tranches with continuing the context-adaptive binary arithmetic coding probability adaptation across tranche boundaries. Thereby, tranche boundaries additionally introduced within slices, WPP substreams or tiles do not lead to a reduction in the entropy coding efficiency of these entities. However, the tranches are smaller than the original slices, WPP substreams or tiles and accordingly they may be transmitted earlier, i.e. with lower delay, than the un-chopped original entities. According to another aspect combinable with the first aspect, substream marker NAL units are used within a sequence of NAL units of a video bitstream to enable a transport demultiplexer to assign data of slices within NAL units to the corresponding substreams or tiles so as to be able to, in parallel, serve a multi-threaded decoder with the corresponding substreams or tiles.

Claim (Index 7):
An encoder configured to encode a picture of a video, the encoder comprising:\n a residual determiner configured to determine a residual signal associated with the picture based on a prediction signal; and an entropy encoder configured to encode the residual signal associated with the picture into a data stream using CABAC entropy encoding, wherein the picture is encoded as WPP substreams, at least one WPP substream of the picture including a plurality of tranches, wherein each tranche includes information indicating a boundary thereof within the at least one WPP sub stream, the entropy encoder being configured to entropy encode the plurality of tranches by using CABAC entropy encoding with continuing CABAC probability adaptation across tranche boundaries, which involves adopting a CABAC probability obtained at the end of entropy encoding of a previous tranche of the plurality of tranches when starting entropy encoding of a current tranche of the plurality of tranches, wherein the previous and current tranches are included within the at least one WPP substream

Metadata:
- Claim Count in Document: 47.0
- Percentile: 88.0
- Lexical Diversity: 1.88764
- Patent Class: 375.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14334789', '14511200', '14578814', '14753144', '14387002']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4908423064257651
- 35 USC 102 Novelty (BERT): 0.7497169135923022
- Combined Prediction Score: 0.5167297671424189
- Mean Citation Score: 475.93329000000006
- Max Citation Score: 885.93286
- Similarity Product: 849.8357720065344

Labels:
- Claim Label 101: 0
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 0

Dataset: test