Optimal error protection for image transmission using source-adaptive modulation

John E. Kleider; Glen P. Abousleman

doi:10.1117/12.390487

29 June 2000 Optimal error protection for image transmission using source-adaptive modulation

John E. Kleider, Glen P. Abousleman

Proceedings Volume 4041, Visual Information Processing IX; (2000) https://doi.org/10.1117/12.390487
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

This paper presents a low-complexity method of transmitting digitally compressed imagery through AWGN and fading channels. The proposed method combines a wavelet-based image coder that employs phase scrambling and trellis-coded quantization (TCQ), and source adaptive modulation (SAM). We present two versions of SAM that utilize BPSK (SAM-TCQ) and 16-ary PPM (OSAM-TCQ), respectively. We then compare the performance of the SAM systems to that of a system that utilizes unequal error protection (UEP). We show that for the binary symmetric channel, the SAM-TCQ system performs as well as UEP-TCQ at high bit error rates, and within 1 dB of the UEP-TCQ system at low bit error rates. Additionally, we show that for the AWGN channel, the OSAM-TCQ system performs nearly 4 dB better than UEP-TCQ at high bit error rates, and the same as the UEP-TCQ system at low bit error rates, with much lower complexity than the UEP-based system.

Citation Download Citation

John E. Kleider and Glen P. Abousleman "Optimal error protection for image transmission using source-adaptive modulation", Proc. SPIE 4041, Visual Information Processing IX, (29 June 2000); https://doi.org/10.1117/12.390487

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