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Joint source/channel coding for image transmission with JPEG2000 over memoryless channels.

Zhenyu Wu1, Ali Bilgin, Michael W Marcellin

  • 1Department of Electrical and Computer Engineering, University of Arizona, Tucson, AZ 85721-0104, USA. zywu@ece.arizona.edu

IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
|August 27, 2005
PubMed
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This study introduces a new joint source/channel coding scheme for JPEG2000 image transmission. The method enhances error resilience and minimizes distortion for efficient, high-quality image delivery over memoryless channels.

Area of Science:

  • Digital image compression
  • Information theory
  • Telecommunications

Background:

  • JPEG2000 offers high compression and features suitable for image transmission.
  • Existing methods may not optimally handle error resilience and distortion minimization simultaneously.
  • Effective joint source/channel coding is crucial for reliable image transmission over noisy channels.

Purpose of the Study:

  • To propose a novel joint source/channel coding scheme for JPEG2000.
  • To minimize end-to-end image distortion under a fixed transmission rate.
  • To achieve unequal error protection and quality scalability.

Main Methods:

  • Developing a joint source/channel coding scheme tailored for JPEG2000.
  • Integrating forward error correction from channel codes with JPEG2000's error detection/localization.

Related Experiment Videos

  • Generating quality scalable and error-resilient codestreams.
  • Utilizing a unified algorithm for forming fixed-length source and channel packets.

    • Main Results:

    • The proposed scheme provides competitive performance in matched channel conditions.
    • It offers more graceful quality degradation in mismatched channel conditions.
    • The scheme effectively combines error correction and detection/localization functionalities.
    • It generates quality scalable and error-resilient JPEG2000 codestreams.

    Conclusions:

    • The novel joint source/channel coding scheme enhances JPEG2000 image transmission reliability.
    • It achieves a balance between compression efficiency, error resilience, and distortion minimization.
    • The scheme is adaptable to various channel conditions and packetization requirements.