616 search results - page 1 / 124 » DCT Based High Quality Image Compression |
SCIA
2005
Springer
14 years 13 days ago
2005
Springer
Abstract. DCT based image compression using blocks of size 32x32 is considered. An effective method of bit-plane coding of quantized DCT coefficients is proposed. Parameters of pos...
ICIP
2001
IEEE
14 years 8 months ago
2001
IEEE
In lossy image compression schemes utilizing the discrete cosine transform (DCT), quantization of the DCT coefficients introduces error in the image representation and a loss of s...
DATE
2006
IEEE
14 years 1 months ago
2006
IEEE
We present a dynamic bit-width adaptation scheme in DCT applications for efficient trade-off between image quality and computation energy. Based on sensitivity differences of 64 ...
ISCAS
2002
IEEE
13 years 12 months ago
2002
IEEE
This report proposes a new coding method, which realizes lossless, near-lossless and lossy coding with a unified single algorithm. The method is based on a lifting-structured loss...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
—In this paper, we present an original image quality metric for open-loop transcoding architectures based on frequency selective transmission. The proposed metric computes the no...