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Implementation of high speed picture transmission with conditional replenishment technique

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2 Author(s)
Koh, L.M. ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore ; Lau, K.T.

An implementation of high speed picture transmission using a conditional replenishment technique is presented. This implementation is in the framework of the development of a video compression unit designed to permit bandwidth reduction of video signal transmission from remote cameras to a central receiver for surveillance systems. The conditional replenishment system utilizes the moving areas between two consecutive frames for data compression. Further reduction in data is possible when frame-to-frame differential pulse code modulation is used for transmission. The system is divided into several modules, which include a video analog-to-digital converter, control and addressing circuitry, a moving area extractor, a lookup table, memory, and transmission

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Consumer Electronics, IEEE Transactions on  (Volume:36 ,  Issue: 4 )