DocumentCode
3410388
Title
Visually optimal DCT quantization matrices for individual images
Author
Watson, Andrew B.
Author_Institution
NASA Ames Res. Center, Moffett Field, CA, USA
fYear
1993
fDate
1993
Firstpage
178
Lastpage
187
Abstract
A custom quantization matrix tailored to a particular image is designed by an image-dependent perceptual method incorporating solutions to the problems of luminance and contrast masking, error pooling and quality selectability
Keywords
discrete cosine transforms; image coding; iterative methods; visual perception; DCT quantization matrices; contrast masking; error pooling; image-dependent perceptual method; luminance masking; perceptual error model; quality selectability; Bit rate; Discrete cosine transforms; Displays; Frequency; Government; Image coding; NASA; Protection; Quantization; Transform coding;
fLanguage
English
Publisher
ieee
Conference_Titel
Data Compression Conference, 1993. DCC '93.
Conference_Location
Snowbird, UT
Print_ISBN
0-8186-3392-1
Type
conf
DOI
10.1109/DCC.1993.253132
Filename
253132
Link To Document