6 search results - page 1 / 2 » Measuring perceptual contrast in a multi-level framework |
HVEI
2009
13 years 2 months ago
2009
In this paper, we propose and discuss some approaches for measuring perceptual contrast in digital images. We start from previous algorithms by implementing different local measur...
APGV
2005
ACM
13 years 10 months ago
2005
ACM
Image processing often involves an image transformation into a domain that is better correlated with visual perception, such as the wavelet domain, image pyramids, multi-scale con...
ICIP
2008
IEEE
14 years 6 months ago
2008
IEEE
In this paper, we analyze the formation of blocking artifacts as a result of quantization of the discrete cosine transform (DCT) coefficients. These artifacts are known to be the ...
CVPR
2001
IEEE
14 years 6 months ago
2001
IEEE
Perceptual popout is defined by both feature similarity and local feature contrast. We identify these two measures with attraction and repulsion, and unify the dual processes of a...
CHI
2010
ACM
13 years 11 months ago
2010
ACM
Theoretical accounts of task resumption after interruption have almost exclusively argued for resumption as a primarily memory-based process. In contrast, for many task domains, r...