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GVIP
Image Compression using Coding of Wavelet Coefficients – A Survey
 
R.Sudhakar, Ms R Karthiga, S.Jayaraman
Department of Electronics and Communication Engineering, PSG College of Technology
Peelamedu, Coimbatore-641 004, Tamilnadu, India
 
Abstract:
Due to the increasing traffic caused by multimedia information and digitized form of representation of images; image compression has become a necessity. New algorithms for image compression based on wavelets have been developed. These methods have resulted in practical advances such as: superior low-bit rate performance, continuous–tone and bit-level compression, lossless and lossy compression, progressive transmission by pixel, accuracy and resolution, region of interest coding and others. We concentrate on the following methods of coding of wavelet coefficients, in this paper: EZW (embedded zero tree wavelet) algorithm, SPIHT (set partitioning in hierarchical trees) algorithm, SPECK (Set Partitioned Embedded Block Coder), WDR (wavelet difference reduction) algorithm, and ASWDR (adaptively scanned wavelet difference reduction) algorithm. These are relatively recent algorithms which achieve some of the lowest errors per compression rate and highest perceptual quality.
 
Keywords: Image compression, JPEG, Wavelets, EZW, SPIHT, SPECK, EBCOT, WDR, ASWDR, SFQ, CREW, EPWIC, SR, SFQ
 
Biography:
 

The author Sudhakar.R was born in Kumbakonam in Thanjavur District, Tamilnadu, India. He  has obtained B.E.(Electronics and Communication Engg.)from Madras university in the year 1990 and M.E.(Communication Systems) from Thiagarajar College of Engg., Madurai in the year 2001.He is going to Complete his Ph.D shortly in the area of Image Compression using Beyond wavelets. His research Areas are: Image compression using beyond Wavelets i.e., wavelet Footprints, Contourlet Transform He has published 6 papers in National conferences, 1 paper presented in International conference(Adcom-2003),3 more papers to be presented in International conferences(1 paper in Malaysia), and 4 papers are under serious review in International journal. He is working as senior Lecturer in Dept. of ECE,PSG College of Technology for the past 3 years. He has nearly 12 years of teaching experience. His areas of interest include DSP, Digital Image Processing, Signals & Systems, Adaptive Signal Processing and Statistical Signal Processing.

 

 Karthiga. R received her Bachelor of Engineering degree in ECE from Sri Krishna College of Engineering and Technology. She is currently pursuing M.E (Communication Systems) in PSG College of Technology. Her areas of interest include Digital Image Processing, Wireless Digital Communication, Wavelet transforms and Statistical Signal Processing.

 

Jayaraman.S received his Bachelor of Engineering degree in ECE from PSG College of Technology. He received his post graduate and a doctorate degree from the same institute .He has 28 years of teaching experience. He is currently the Head of ECE Department in PSG College of Technology. He has published more than 25 papers in Journals and Conferences.His areas of interest include DSP, Statistical Signal Processing, Multirate Signal Processing and Adaptive Signal Processing,, Non linear signal processing, Digital Image processing, Multidimensional signal processing.

 

BibTex:

@ARTICLE{P1150511002,

AUTHOR = {R.Sudhakar and R Karthiga and S.Jayaraman},

TITLE = {Image Compression using Coding of Wavelet Coefficients – A Survey},

JOURNAL = {ICGST International Journal on Graphics, Vision and Image Processing},

YEAR = {2005},

MONTH = {June},

VOLUME = {5},

ISSUE = {6},

PAGES = {25--38}

}

( Full paper 550 KB)