616 search results - page 1 / 124 » DCT Based High Quality Image Compression |
SCIA
2005
Springer
14 years 4 months 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
15 years 23 days 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 5 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
14 years 4 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 5 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...