Performance analysis of unequal error protection codes for image transmission

Minh H. Le; Ranjith Liyanapathirana

doi:10.1117/12.386551

30 May 2000 Performance analysis of unequal error protection codes for image transmission

Minh H. Le, Ranjith Liyanapathirana

Proceedings Volume 4067, Visual Communications and Image Processing 2000; (2000) https://doi.org/10.1117/12.386551
Event: Visual Communications and Image Processing 2000, 2000, Perth, Australia

Abstract

The performance analysis of unequal error protection codes for image transmission over noisy channels and AWGN channels is considered in this paper. The International Standards Organization has proposed the JPEG standard for still image compression. JPEG standard not only provides the basic feature of compression as baseline algorithm but also provides the framework for reconstructing images in different picture qualities and sizes. These features are referred to as SNR and spatial scalability, respectively. The ability of calculation of the bit sensitivity of the compressed image data enables one to perform a highly efficient unequal error protection for image transmission over noisy channels. A channel code is proposed to protect progressively compressed and packetized image data that is transmitted across noisy channels. A group of unequal error protection codes using Trellis Coded Modulation (TCM) for the JPEG compressed images is considered. Computer simulated results of two levels of UEP with TCM and four levels of UEP with TCM are presented.

Citation Download Citation

Minh H. Le and Ranjith Liyanapathirana "Performance analysis of unequal error protection codes for image transmission", Proc. SPIE 4067, Visual Communications and Image Processing 2000, (30 May 2000); https://doi.org/10.1117/12.386551

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KEYWORDS

Image compression

Cameras

Modulation

Error analysis

Image transmission

Image quality standards

Reconstruction algorithms

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