160 search results - page 9 / 32 » Image resizing in the discrete cosine transform domain |
ICCD
2000
IEEE
15 years 6 months ago
2000
IEEE
We introduce a new register file architecture that provides both row-wise and column-wise accesses, thus allowing partitioned instructions to be used in columnwise processing with...
91
Voted
DCC
2008
IEEE
14 years 11 months ago
2008
IEEE
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 transform...
72
Voted
TIP
2008
14 years 9 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 ...
71
Voted
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
This paper presents a novel Mod-4 steganographic method in discrete cosine transform (DCT) domain. A group of 2?2 quantized DCT coefficients (GQC) is selected as the valid embeddi...
IJNSEC
2008
14 years 9 months ago
2008
Blocking artifact is one of the main drawbacks of the block-based watermarking method. Though a number of researches on "transparent" digital watermarking system have be...