An optical flow processor architecture is proposed. It offers accuracy and image-size scalability for video segmentation extraction. The Hierarchical Optical flow Estimation (HOE) algorithm [1] is optimized to provide an appropriate bit-length and iteration number to realize VLSI. The proposed processor architecture provides the following features. First, an algorithm-oriented data-path is introduced to execute all necessary processes of optical flow derivation allowing hardware cost minimization. The data-path is designed using 4-SIMD architecture, which enables high-throughput operation. Thereby, it achieves real-time optical flow derivation with 100% pixel density. Second, it has scalable architecture for higher accuracy and higher resolution. A third feature is the CMOS-process compatible on-chip 2-port DRAM for die-area reduction. The proposed processor has performance for CIF 30 fr/s with 189 MHz clock frequency. Its estimated core size is 6.02
Noriyuki MINEGISHI
Junichi MIYAKOSHI
Yuki KURODA
Tadayoshi KATAGIRI
Yuki FUKUYAMA
Ryo YAMAMOTO
Masayuki MIYAMA
Kousuke IMAMURA
Hideo HASHIMOTO
Masahiko YOSHIMOTO
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Noriyuki MINEGISHI, Junichi MIYAKOSHI, Yuki KURODA, Tadayoshi KATAGIRI, Yuki FUKUYAMA, Ryo YAMAMOTO, Masayuki MIYAMA, Kousuke IMAMURA, Hideo HASHIMOTO, Masahiko YOSHIMOTO, "VLSI Architecture Study of a Real-Time Scalable Optical Flow Processor for Video Segmentation" in IEICE TRANSACTIONS on Electronics,
vol. E89-C, no. 3, pp. 230-242, March 2006, doi: 10.1093/ietele/e89-c.3.230.
Abstract: An optical flow processor architecture is proposed. It offers accuracy and image-size scalability for video segmentation extraction. The Hierarchical Optical flow Estimation (HOE) algorithm [1] is optimized to provide an appropriate bit-length and iteration number to realize VLSI. The proposed processor architecture provides the following features. First, an algorithm-oriented data-path is introduced to execute all necessary processes of optical flow derivation allowing hardware cost minimization. The data-path is designed using 4-SIMD architecture, which enables high-throughput operation. Thereby, it achieves real-time optical flow derivation with 100% pixel density. Second, it has scalable architecture for higher accuracy and higher resolution. A third feature is the CMOS-process compatible on-chip 2-port DRAM for die-area reduction. The proposed processor has performance for CIF 30 fr/s with 189 MHz clock frequency. Its estimated core size is 6.02
URL: https://global.ieice.org/en_transactions/electronics/10.1093/ietele/e89-c.3.230/_p
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@ARTICLE{e89-c_3_230,
author={Noriyuki MINEGISHI, Junichi MIYAKOSHI, Yuki KURODA, Tadayoshi KATAGIRI, Yuki FUKUYAMA, Ryo YAMAMOTO, Masayuki MIYAMA, Kousuke IMAMURA, Hideo HASHIMOTO, Masahiko YOSHIMOTO, },
journal={IEICE TRANSACTIONS on Electronics},
title={VLSI Architecture Study of a Real-Time Scalable Optical Flow Processor for Video Segmentation},
year={2006},
volume={E89-C},
number={3},
pages={230-242},
abstract={An optical flow processor architecture is proposed. It offers accuracy and image-size scalability for video segmentation extraction. The Hierarchical Optical flow Estimation (HOE) algorithm [1] is optimized to provide an appropriate bit-length and iteration number to realize VLSI. The proposed processor architecture provides the following features. First, an algorithm-oriented data-path is introduced to execute all necessary processes of optical flow derivation allowing hardware cost minimization. The data-path is designed using 4-SIMD architecture, which enables high-throughput operation. Thereby, it achieves real-time optical flow derivation with 100% pixel density. Second, it has scalable architecture for higher accuracy and higher resolution. A third feature is the CMOS-process compatible on-chip 2-port DRAM for die-area reduction. The proposed processor has performance for CIF 30 fr/s with 189 MHz clock frequency. Its estimated core size is 6.02
keywords={},
doi={10.1093/ietele/e89-c.3.230},
ISSN={1745-1353},
month={March},}
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TY - JOUR
TI - VLSI Architecture Study of a Real-Time Scalable Optical Flow Processor for Video Segmentation
T2 - IEICE TRANSACTIONS on Electronics
SP - 230
EP - 242
AU - Noriyuki MINEGISHI
AU - Junichi MIYAKOSHI
AU - Yuki KURODA
AU - Tadayoshi KATAGIRI
AU - Yuki FUKUYAMA
AU - Ryo YAMAMOTO
AU - Masayuki MIYAMA
AU - Kousuke IMAMURA
AU - Hideo HASHIMOTO
AU - Masahiko YOSHIMOTO
PY - 2006
DO - 10.1093/ietele/e89-c.3.230
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E89-C
IS - 3
JA - IEICE TRANSACTIONS on Electronics
Y1 - March 2006
AB - An optical flow processor architecture is proposed. It offers accuracy and image-size scalability for video segmentation extraction. The Hierarchical Optical flow Estimation (HOE) algorithm [1] is optimized to provide an appropriate bit-length and iteration number to realize VLSI. The proposed processor architecture provides the following features. First, an algorithm-oriented data-path is introduced to execute all necessary processes of optical flow derivation allowing hardware cost minimization. The data-path is designed using 4-SIMD architecture, which enables high-throughput operation. Thereby, it achieves real-time optical flow derivation with 100% pixel density. Second, it has scalable architecture for higher accuracy and higher resolution. A third feature is the CMOS-process compatible on-chip 2-port DRAM for die-area reduction. The proposed processor has performance for CIF 30 fr/s with 189 MHz clock frequency. Its estimated core size is 6.02
ER -