<title>Real-time parallel video image processing on a PC cluster</title>

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This paper describes a PC-cluster system for real-time parallel video image processing. The PC-cluster consists of seven PCs connected by a very high speed network. The key issue of this system is synchronization of distributed video data. Frame synchronization block is introduced to realize three kinds of synchronization: forward synchronization, barrier synchronization and backward synchronization. Forward synchronization is to notify of timing to start processing. Barrier synchronization is to wait for all data that are processed at the same time. Backward synchronization is to cancel processing and transferring useless data. Experimental results are also shown to confirm the performance of the PC-cluster.© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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