Review of various image compression techniques and comparison of DCT, DWT and SPIHT Kamra Pooja*, Kaur Suppandeep** *Research Scholar, BFGI, Bathinda **Assistant Professor, CSE, BFGI, Bathinda Online published on 25 June, 2015. Abstract Digital image compression has been the focus of a sharing large amount of research in recent years. Therefore, Image compression methods grow as new algorithms or variations for sharing transmitting and storing millions of images. In order to utilize digital images effectively, specific techniques are needed to reduce the number of bits required for their representation. It has led to fast growth in area of Digital Image Processing. In image compression, we do not only concentrate on reducing size but also concentrate on doing it without losing quality and information of image. The survey summarizes the major image compression techniques that maybe lossy and lossless, advantages, disadvantages and research possibilities. This analysis of various compression techniques provides knowledge in the identifying the advantageous features and help in choosing correct method for compression. In this paper survey of various image compression techniques have been discussed from which researchers can get an idea for efficient techniques to be used. Top Keywords Image compression techniques, concentrate. Top |
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