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Efficient VLSI architectures for a high-performance digital image communication system

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3 Author(s)
Chen-Yi Lee ; Inter-Univ. Micro-Electron. Center, Heverlee, Belgium ; Catthoor, F. ; de Man, H.J.

A typical digital image communication system based on a number of ASIC architectural designs is currently under development. After partitioning the complete system into several stages, each selected algorithm can be implemented on a single ASIC based on an efficient architectural style. The required throughput for high-performance data compression and channel coding has been obtained due to the optimization of the critical path in the architectural design. Input/output (I/O) operations, which create the bottleneck for many image-processing algorithms, are handled by a dedicated I/O interface unit. Construction of each dedicated data path in the architecture is based on a limited parameterizable functional building block (FBB) library. The dedicated data paths have been constructed by partitioning the initial signal flow graph (SFG) into compatible graphs and by matching the graphs in each partition onto a collection of time-multiplexed FBBs. Hierarchically partitioned controllers were used to meet the high-throughput requirements. The ASIC architectures proposed are oriented to broadband integrated services digital networks (B-ISDN) as well as high-performance digital image compression systems

Published in:

Selected Areas in Communications, IEEE Journal on  (Volume:8 ,  Issue: 8 )

Date of Publication:

Oct 1990

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