Image error concealment using edge map and linear prediction residue watermarking and spatial smoothing

Authors:
Shabnam Sodagari;Peyman Hesami;Alireza Nasiri Avanaki
Affiliations:
Department of Electrical Engineering, The Pennsylvania State University, University Park, PA;Control and Intelligent Processing Center of Excellence, School of ECE, University of Tehran, Tehran, Iran;Control and Intelligent Processing Center of Excellence, School of ECE, University of Tehran, Tehran, Iran
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

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Abstract

A very efficient and simple method for error concealment in image communication over packet loss networks is presented. The method involves embedding a combination of edge map and linear prediction residue of each image block as a robust watermark within the original image at the transmitter and using the extracted watermark along with spatial smoothing at the receiver in order to reconstruct the lost parts. The performance of the proposed scheme shows a 2 dB improvement over state of the art error concealment algorithms.