Title :
Absolute moment block truncation coding in DCT domain
Author :
Yuen, Hung ; Li, Kam-Chi
Author_Institution :
Dept. of Electron. Eng., Hong Kong Polytech., Kowloon, Hong Kong
Abstract :
A new approach to absolute moment Block Truncation Coding in the DCT domain to remove interblock redundancy is proposed. The result of applying adaptive DCT to the absolute moment BTC outputs is investigated and simulation results show that its performance is comparable to the BTC-VQ and better visual quality can be achieved if the adaptive DCT is applied to the high-mean and low-mean subimages instead of the bit-maps
Keywords :
adaptive codes; block codes; discrete cosine transforms; image coding; transform coding; absolute moment BTC; adaptive DCT domain; block truncation coding; interblock redundancy; simulation; subimages; visual quality; Bit rate; Discrete cosine transforms; Discrete transforms; Frequency; Image coding; Monitoring; Partitioning algorithms; Pixel; Redundancy; Vector quantization;
Conference_Titel :
Circuits and Systems, 1994. APCCAS '94., 1994 IEEE Asia-Pacific Conference on
Conference_Location :
Taipei
Print_ISBN :
0-7803-2440-4
DOI :
10.1109/APCCAS.1994.514627
