Modified JPEG image compression with region-dependent quantization

Circuits, Systems, and Signal Processing

Volumn 21, Issue 2, 2002, Pages 163-180

  Golner, Mitchell A ^a   Mikhael, Wasfy B ^a   Krishnang, Venkatesh ^b  

^a University of Central Florida   (United States)

^b GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

JPEG image compression; Region based variable quantization

Indexed keywords

ALGORITHMS; COMPUTER SIMULATION; COSINE TRANSFORMS; GRAPHICAL USER INTERFACES; IMAGE QUALITY; INTERPOLATION; TABLE LOOKUP;

FORWARD DISCRETE COSINE TRANSFORM; JOINT PHOTOGRAPHIC EXPERTS GROUP; REGION-BASED VARIABLE QUANTIZATION; SOFTWARE PACKAGE JPEGTOOL;

IMAGE COMPRESSION;

EID: 0036493883     PISSN: 0278081X     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00034-002-2004-x     Document Type: Article

References (15)

1. Region-based coding of color images using Karhunen-Loeuve transforn
2. Coding of subregions for content-based scalable video
3. An adaptive perceptual quantization algorithm
4. Region based variable quantization for JPEG image compression
5. Motion video adaptive quantization in transform domain
6. The new extended JPEG coder with variable quantizer using block wavelet transform
7. Subjective adapted image communication system
8. A perceptually efficient VBR rate control algorithm
9. Perceptual adaptive JPEG coding
10. Defocus based image segmentation
11. The JPEG still picture compression standard