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» Perceptual Image Distortion
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MM
2005
ACM
114views Multimedia» more  MM 2005»
14 years 1 months ago
IMAGINATION: a robust image-based CAPTCHA generation system
We propose IMAGINATION (IMAge Generation for INternet AuthenticaTION), a system for the generation of attack-resistant, user-friendly, image-based CAPTCHAs. In our system, we prod...
Ritendra Datta, Jia Li, James Ze Wang
PCM
2007
Springer
184views Multimedia» more  PCM 2007»
14 years 1 months ago
Wavelet-Based Salient Region Extraction
In this paper, we propose a new technique for extracting salient regions in an image. Identification of salient regions is useful for region/object based image processing. Previous...
Dong-Woei Lin, Shih-Hsuan Yang
ICIP
2009
IEEE
14 years 8 months ago
Natural Image Utility Assessment Using Image Contours
In the quality assessment task, observers evaluate a natural image based on its perceptual resemblance to a reference. For the utility assessment task, observers evaluate the usef...
ACSC
2006
IEEE
14 years 1 months ago
Human visual perception of region warping distortions
Interactive virtual reality requires at least 60 frames per second in order to ensure smooth motion. For a good immersive experience, it is also necessary to have low end-to-end l...
Yang-Wai Chow, Ronald Pose, Matthew Regan, James P...
ICASSP
2011
IEEE
12 years 11 months ago
CYCLOP: A stereo color image quality assessment metric
—In this work, a reduced reference (RR) perceptual quality metric for color stereoscopic images is presented. Given a reference stereo pair of images and their ”distorted” ve...
Aldo Maalouf, Mohamed-Chaker Larabi