A Novel Edge-Preserving Lossy Image Coder

  • Osslan Osiris Vergara Villegas
  • Manuel Jesús Nandayapa de Alfaro
  • Vianey Guadalupe Cruz Sánchez
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 27)


Several lossy image coders are designed without considering the nature of the images. Images are composed at least by textures, edges, and details associated with edges. Sometimes important information in the images, such as edges that are used for image understanding, is lost in the coding quantization stage. In this paper we present a novel edge-preserving lossy image coder. The core of the proposed coder is a modification of the SPIHT algorithm and the definition of the edges in the wavelet and contourlet domain. Additionally, we show the results obtained in order to demonstrate the effectiveness of the proposed coder compared with two existing coders, even at very low bit rates.


Discrete Wavelet Transform Side Information Image Coder Inverse Discrete Wavelet Transform Lossless Coder 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Osslan Osiris Vergara Villegas
    • 1
  • Manuel Jesús Nandayapa de Alfaro
    • 1
  • Vianey Guadalupe Cruz Sánchez
    • 2
  1. 1.Universidad Autónoma de Ciudad Juárez (UACJ), Avenida del Charro 450 Norte Ciudad Juárez Chihuahua MéxicoMéxico
  2. 2.Centro Nacional de Investigación y Desarrollo Tecnológico (CENIDET), Interior Internado Palmira s/n, Col. PalmiraCuernavacaMéxico

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