PATENT CLAIM ANALYSIS

Application Number: 15742385
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["375", "240030"]

Abstract:
The disclosure discloses a video bit rate control method and a video coding device. The method includes: according to a pre-set first bit rate value and a code size generated in a previous period of time, a first quantization parameter is generated (S 1 ); according to a pre-set second bit rate value and the code size generated in the previous period of time, a second quantization parameter is generated (S 2 ); the first quantization parameter is composed with the second quantization parameter (S 3 ); if the first quantization parameter is greater than or equal to the second quantization parameter, an image frame in a current period of time is coded by using the first quantization parameter (S 4 ); and if the first quantization parameter is less than the second quantization parameter, the image frame in the current period of time is coded by using the second quantization parameter (S 5 ).

Claim (Index 2):
The method according to  claim 1 , wherein according to the pre-set first bit rate value and the code size generated in the previous period of time, generating the first quantization parameter comprises:\n dividing the periodical time interval into N time subintervals, wherein N is greater than 1; performing initial allocation to each time subinterval, so as to obtain a first average bit rate of each time subinterval, and make the first average bit rate satisfy the following formula: \u2211 n = 1 N \ue89e the \ue89e \ue89e first \ue89e \ue89e average \ue89e \ue89e code \ue89e \ue89e rate \ue89e \ue89e of \ue89e \ue89e the \ue89e \ue89e nth \ue89e \ue89e time \ue89e \ue89e sub \ue89e \ue89e interval N = the \ue89e \ue89e first \ue89e \ue89e code \ue89e \ue89e rate \ue89e \ue89e value ; performing bit rate adjustment to the first average bit rate of each time subinterval, so as to obtain a second average bit rate of each time subinterval, and make the second average bit rate satisfy the following formula: \u2211 n = 1 N \ue89e the \ue89e \ue89e second \ue89e \ue89e average \ue89e \ue89e code \ue89e \ue89e rate \ue89e \ue89e of \ue89e \ue89e the \ue89e \ue89e nth \ue89e \ue89e time \ue89e \ue89e sub \ue89e \ue89e interval N = the \ue89e \ue89e first \ue89e \ue89e code \ue89e \ue89e rate \ue89e \ue89e value .

Metadata:
- Claim Count in Document: 39.0
- Percentile: 86.0
- Lexical Diversity: 2.94828
- Patent Class: 375.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11386184', '10688254', '14185833', '11530042', '10210322']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5097723674140088
- 35 USC 102 Novelty (BERT): 0.4750696714640439
- Combined Prediction Score: 0.5063020978190123
- Mean Citation Score: 184.56765
- Max Citation Score: 196.3973
- Similarity Product: 158.43784417856932

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