Effective Algorithm for Image Compression Using DCT
International Journal of Engineering and Techniques – Volume 9 Issue 4, November 2023
ISSN: 2395-1303 | www.ijetjournal.org
Author
Abhay Bhatia
Assistant Professor, Department of Computer Science and Engineering,
Dev Bhoomi Group of Institutions, Saharanpur
Email: dhawan.abhay009@gmail.com
Abstract
This paper focuses on image compression methods that minimize data redundancies in digital representation. It examines coding redundancy, interpixel redundancy, and psycho-visual redundancy. Huffman coding, in combination with the Discrete Cosine Transform (DCT), enhances image compression efficiency. DCT serves as the foundation of the current JPEG standard, optimizing energy distribution across an image. Comparisons are made with Discrete Wavelet Transform (DWT), highlighting its benefits for scalable compression. The study discusses recent developments such as JPEG-2000, based on DWT technology.
Keywords
DCT, DWT, Huffman Coding, IDCT, Encoding, Decoding, JPEG-2000
How to Cite
Abhay Bhatia, “Effective Algorithm for Image Compression Using DCT,” International Journal of Engineering and Techniques, Volume 9, Issue 4, 2023. ISSN 2395-1303
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