Invention Grant
- Patent Title: Adaptive multi-pass video encoder control
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Application No.: US14611084Application Date: 2015-01-30
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Publication No.: US10313675B1Publication Date: 2019-06-04
- Inventor: Yao-Chung Lin , Anil Christopher Kokaram , Andrew Joseph Crawford , Hugh Pierre Denman
- Applicant: GOOGLE INC.
- Applicant Address: US CA Mountain View
- Assignee: GOOGLE LLC
- Current Assignee: GOOGLE LLC
- Current Assignee Address: US CA Mountain View
- Agency: Brake Hughes Bellermann LLP
- Main IPC: H04B1/66
- IPC: H04B1/66 ; H04N19/147 ; H04N19/136

Abstract:
A method includes determining whether a rate distortion cost of a compressed video is above a cost threshold, the compressed video being encoded using a first constant rate factor (CRF). Upon determining the quality of a compressed video is above a cost threshold calculating a second CRF based on the first CRF, and encoding a video associated with the compressed video using the second CRF. Upon determining the quality of a compressed video is below a cost threshold encoding the video using the first CRF and a target bitrate.
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