Bit error recovery in internet facsimile without retransmission

Hyunju Kim; Abdou Youssef

doi:10.1117/12.503267

23 June 2003 Bit error recovery in internet facsimile without retransmission

Hyunju Kim, Abdou Youssef

Proceedings Volume 5150, Visual Communications and Image Processing 2003; (2003) https://doi.org/10.1117/12.503267
Event: Visual Communications and Image Processing 2003, 2003, Lugano, Switzerland

Abstract

This paper proposes a bit error recovery method for Internet facsimile images compressed with Group 3, Extended 2 Dimensional MMR coding scheme. When an error occurs in an MMR coded bitstream, the bitstream cannot be correctly decoded after the error point. To prevent losing valid information after an error, we developed an error recovery system that detects bit errors and applies bit-inversion algorithms to correct the errors. In case the bit-inversion cannot correct the error, the system applies new algorithms that utilize syntactical structure information of the coded bitstream. Testing results show that around 95% of bit errors are corrected with our bit-inversion algorithms. The error recovery system also recovers nearly all the data for the remaining 5% of the images.

Citation Download Citation

Hyunju Kim and Abdou Youssef "Bit error recovery in internet facsimile without retransmission", Proc. SPIE 5150, Visual Communications and Image Processing 2003, (23 June 2003); https://doi.org/10.1117/12.503267

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