1,000-fps visual feedback control of an active vision system over a high-load network

Daisuke Wako; Shingo Kagami; Koichi Hashimoto

1,000-fps visual feedback control of an active vision system over a high-load network

Daisuke Wako, Shingo Kagami, Koichi Hashimoto

INF - System Information Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

A 1,000-fps visual tracking system over a realtime network based on the standard Ethernet and UDP/IP technologies is presented. The system consists of a high-speed vision system, a host PC that executes motor-control tasks on an RTOS, and an easyto- construct configuration for real-time communication to deliver the high-speed visual feature information obtained by the vision system to the host PC. Rather than introducing OS-dependent technologies for realtime communication, we have developed a dedicated network processing unit that handles all of the UDP/IP and Ethernet processing instead of the host PC. The visual information packets are forwarded in priority to the other background traffic by off-the-shelf Gigabit Ethernet switches with the IEEE802.1Q/p QoS mechanism. Experimental results show that the end-to-end delay through three Ethernet switches is below 180 μs with 20-μs jitters even under a high network load.

Original language	English
Title of host publication	Proceedings of the 11th IAPR Conference on Machine Vision Applications, MVA 2009
Pages	114-117
Number of pages	4
Publication status	Published - 2009 Dec 1
Event	11th IAPR Conference on Machine Vision Applications, MVA 2009 - Yokohama, Japan Duration: 2009 May 20 → 2009 May 22

Other

Other	11th IAPR Conference on Machine Vision Applications, MVA 2009
Country	Japan
City	Yokohama
Period	09/5/20 → 09/5/22

ASJC Scopus subject areas

Computer Vision and Pattern Recognition

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Wako, D., Kagami, S., & Hashimoto, K. (2009). 1,000-fps visual feedback control of an active vision system over a high-load network. In Proceedings of the 11th IAPR Conference on Machine Vision Applications, MVA 2009 (pp. 114-117)

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abstract = "A 1,000-fps visual tracking system over a realtime network based on the standard Ethernet and UDP/IP technologies is presented. The system consists of a high-speed vision system, a host PC that executes motor-control tasks on an RTOS, and an easyto- construct configuration for real-time communication to deliver the high-speed visual feature information obtained by the vision system to the host PC. Rather than introducing OS-dependent technologies for realtime communication, we have developed a dedicated network processing unit that handles all of the UDP/IP and Ethernet processing instead of the host PC. The visual information packets are forwarded in priority to the other background traffic by off-the-shelf Gigabit Ethernet switches with the IEEE802.1Q/p QoS mechanism. Experimental results show that the end-to-end delay through three Ethernet switches is below 180 μs with 20-μs jitters even under a high network load.",

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