Design of a Trinocular-Stereo-Vision VLSI Processor Based on Optimal Scheduling

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概要

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• This paper presents a processor architecture for high-speed and reliable tinocular stereo matching based on adaptive window-size control of SAD (Sum of Absolute Differences) computation. To reduce its computational complexity, SADs are computed using images divided into non-overlapping regions, and the matching result is iteratively refined by reducing a window size. Window-parallel-and-pixel-parallel architecture is also proposed to achieve to fully exploit the potential parallelism of the algorithm. The architecture also reduces the complexity of an interconnection network between memory and functional units based on regularity of reference pixels. The stereo matching processor is designed in a 0.18μm CMOS technology. The processing time is 83.2μs@100MHz. By using optimal scheduling, the increases in area and processing time is only 5% and 3% respectively compared to binocular stereo vision although the computational amount is double.

• （社）電子情報通信学会の論文
• 2008-04-01

著者

• Kameyama Michitaka

  Graduate School of Information Sciences, Tohoku University

• HARIYAMA Masanori

  Graduate School of Information Sciences, Tohoku University

• Hariyama Masanori

  Graduate School Of Information Sciences Tohoku University

• Yokoyama Naoto

  Graduate School Of Information Sciences Tohoku University

• Kameyama Michitaka

  Graduate School Of Information Science Tohoku University

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