14 search results - page 2 / 3 » Coefficient Quantization in Banach Spaces |
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Quantization is intrinsic to several data acquisition systems. This process is especially important in distributed settings, where observations must rst be compressed before they ...
TIP
2008
13 years 4 months ago
2008
Abstract--In this paper, we derive bounds on the structural similarity (SSIM) index as a function of quantization rate for fixed-rate uniform quantization of image discrete cosine ...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
JPEG 2000 is a lossy integer-to-integer transform-based compression method that first quantizes the separable 2-D wavelet transform coefficients, then entropy codes them. The imag...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
Given a color image that was quantized in some hidden color space (termed compression color space) during previous JPEG compression, we aim to estimate this unknown compression co...
SSWMC
2004
13 years 6 months ago
2004
The use of kernel Fisher discriminants is used to detect the presence of JPEG based hiding methods. The feature vector for the kernel discriminant is constructed from the quantize...