PATENT CLAIM ANALYSIS

Application Number: 15940084
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-08
Patent Classification: ["375", "240030"]

Abstract:
A video coding or decoding method operable to generate blocks of quantised spatial frequency data by quantising the video data according to a selected quantisation step size and a matrix of data modifying the quantisation step size for use at different respective block positions within an ordered block of samples, the method being operable with respect to at least two different chrominance subsampling formats.

Claim (Index 2):
A video decoding method for decoding both video in 4:2:0 video format and 4:4:4 video format, the video decoding method comprising:\n generating, by decoding circuitry, blocks of dequantized spatial frequency data by:\n dequantizing coefficients representing video data according to a selected quantization step size, and \n generating a matrix of data modifying the quantization step size for use at different respective block positions within an ordered block of samples for at least two different block sizes; \n determining quantization matrices for use with at least two of the block sizes, the quantization matrices being scaling lists for a 4:4:4 video format; determining a first quantization matrix for a 32\u00d732 chroma block of samples with respect to a first modification of a first scaling list for quantization of a block of samples smaller than 32\u00d732; and determining, for blocks of another block size different than the 32\u00d732 chroma block of samples, a second quantization matrix by modifying a second scaling list according to a second modification, wherein the second scaling list is different from the first scaling list, and the first scaling list is a reference scaling list for decoding video in 4:2:0 video format.

Metadata:
- Claim Count in Document: 63.0
- Percentile: 90.0
- Lexical Diversity: 1.375
- Patent Class: 375.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14396190', '14396983', '15800186', '15632970', '15623059']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4978414405075547
- 35 USC 102 Novelty (BERT): 0.5670175347112739
- Combined Prediction Score: 0.5047590499279266
- Mean Citation Score: 376.399572
- Max Citation Score: 437.36255
- Similarity Product: 404.575562097156

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

Dataset: test