55 search results - page 3 / 11 » A Captcha Based on the Human Visual Systems Masking Characte... |
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
A new approach for selective edge enhancement using unsharp masking is presented. This is based on the premise that biological vision and image reproduction share common principle...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Content-based image retrieval (CBIR) systems have been actively investigated over the past decade. Several existing CBIR prototypes claim to be designed based on perceptual charac...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
A novel no-reference blockiness metric that can automatically and perceptually quantify blocking artifacts of DCT coding is presented. The proposed metric is built upon the specif...
TASLP
2008
13 years 7 months ago
2008
We propose a new family of Bayesian estimators for speech enhancement where the cost function includes both a power law and a weighting factor. The parameters of the cost function,...
CAIVD
1998
13 years 9 months ago
1998
A content-based 3D neuroradiologic image retrieval system is being developed at the Robotics Institute of CMU. The special characteristics of this system include: 1 directly deali...