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A novel macroblock level rate control method for stereo video coding.

Gaofeng Zhu1, Mei Yu1, Gangyi Jiang1

  • 1Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China.

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Summary
This summary is machine-generated.

This study introduces a new stereo video compression method using binocular perception for better rate control. The approach enhances visual quality and bitrate accuracy by considering human visual characteristics.

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Area of Science:

  • Computer Vision
  • Video Compression
  • Human-Computer Interaction

Background:

  • Stereo video compression requires efficient rate control to balance bitrate and visual quality.
  • Existing methods often overlook the nuances of human binocular perception.

Purpose of the Study:

  • To develop a novel macroblock (MB) level rate control method for stereo video compression.
  • To improve bitrate accuracy and subjective visual quality by incorporating binocular perception.

Main Methods:

  • A binocular just-notification difference (BJND) model based on parallax matching was developed to quantify binocular perception.
  • A multi-level rate control strategy was implemented, operating at view, group-of-pictures (GOP), frame, and MB levels.
  • The BJND value was used at the MB level to adjust bit allocation, aligning with human visual characteristics.

Main Results:

  • The proposed method demonstrated more accurate bitrate control compared to existing techniques.
  • Experimental results indicated superior subjective visual quality for stereo video compressed using the new method.
  • The multi-level approach effectively allocated resources based on perceptual importance.

Conclusions:

  • The proposed binocular perception-based rate control method significantly enhances stereo video compression efficiency.
  • Integrating human visual characteristics, specifically binocular perception, leads to improved subjective quality and accurate bitrate management.