50 search results - page 4 / 10 » DCT quantization noise in compressed images |
JMM2
2008
13 years 9 months ago
2008
In this work, an adaptive image compression algorithm is proposed based on the prediction of AC coefficients in Discrete Cosine Transform (DCT) block during reconstruction of image...
ISCAS
2002
IEEE
14 years 2 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...
ICIP
2005
IEEE
14 years 11 months ago
2005
IEEE
We propose a high-performance, nonlinear, loop filter that reduces quantization noise over video frames composed of locally uniform regions (smooth, high frequency, texture, etc.)...
ICMCS
2007
IEEE
14 years 4 months ago
2007
IEEE
This paper introduces a ¢¤£ discrete, non-separable transform for image processing, which can be regarded as a combination of the well known Discrete Cosine Transform (DCT) wit...
TCSV
2008
13 years 9 months ago
2008
In this correspondence, we describe a robust and effective content descriptor based on block edge patterns extracted directly in DCT domain, which is suitable for applications in J...