2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper IDCOM-1.9
Paper Title RATE ESTIMATION TECHNIQUES FOR ENCODER PARALLELIZATION
Authors Gaurang Chaudhari, Hsiao-Chiang Chuang, Igor Koba, Hariharan Lalgudi, Facebook Inc, United States
SessionCOM-1: Image and Video Coding
LocationArea H
Session Time:Tuesday, 21 September, 08:00 - 09:30
Presentation Time:Tuesday, 21 September, 08:00 - 09:30
Presentation Poster
Topic Image and Video Communications: Lossy coding of images & video
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract In this paper, we present a novel rate estimation technique for rate control with frame parallelization in video encoding. The proposed rate control accounts for internal delay in the frame encoder pipeline, which is suitable for multithreaded or faster software (SW) encoders and custom hardware or ASIC (HW) encoders. It includes an accurate frame size prediction model based on a complete set of first-pass statistics data for every frame. Using better prediction models with linear and nonlinear model functions, we achieve improved accuracy, with respect to encoding quality as well as improving rate control bits-per-frame planning.