Image coding compression based on DCT

Fei Feng; Peixue Liu; Baohua Jiang

doi:10.1117/12.966384

8 June 2012 Image coding compression based on DCT

Fei Feng, Peixue Liu, Baohua Jiang

Proceedings Volume 8334, Fourth International Conference on Digital Image Processing (ICDIP 2012); 83343O (2012) https://doi.org/10.1117/12.966384
Event: Fourth International Conference on Digital Image Processing (ICDIP 2012), 2012, Kuala Lumpur, Malaysia

Abstract

With the development of computer science and communications, the digital image processing develops more and more fast. High quality images are loved by people, but it will waste more stored space in our computer and it will waste more bandwidth when it is transferred by Internet. Therefore, it's necessary to have an study on technology of image compression. At present, many algorithms about image compression is applied to network and the image compression standard is established. In this dissertation, some analysis on DCT will be written. Firstly, the principle of DCT will be shown. It's necessary to realize image compression, because of the widely using about this technology; Secondly, we will have a deep understanding of DCT by the using of Matlab, the process of image compression based on DCT, and the analysis on Huffman coding; Thirdly, image compression based on DCT will be shown by using Matlab and we can have an analysis on the quality of the picture compressed. It is true that DCT is not the only algorithm to realize image compression. I am sure there will be more algorithms to make the image compressed have a high quality. I believe the technology about image compression will be widely used in the network or communications in the future.

Citation Download Citation

Fei Feng, Peixue Liu, and Baohua Jiang "Image coding compression based on DCT", Proc. SPIE 8334, Fourth International Conference on Digital Image Processing (ICDIP 2012), 83343O (8 June 2012); https://doi.org/10.1117/12.966384

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KEYWORDS

Image compression

Image quality

MATLAB

Image restoration

Digital image processing

Image processing

Image analysis

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