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» Unified Approach to Image Distortion
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HIP
2005
Springer
172views Cryptology» more  HIP 2005»
13 years 11 months ago
Building Segmentation Based Human-Friendly Human Interaction Proofs (HIPs)
Human interaction proofs (HIPs) have become common place on the internet due to their effectiveness in deterring automated abuse of online services intended for humans. However, th...
Kumar Chellapilla, Kevin Larson, Patrice Y. Simard...
NPAR
2010
ACM
13 years 11 months ago
Vector fluid: a vector graphics depiction of surface flow
We present a simple technique for creating fluid silhouettes described with vector graphics, which we call ”Vector Fluid.” In our system, a solid region in the fluid is repr...
Ryoichi Ando, Reiji Tsuruno
BMCBI
2010
115views more  BMCBI 2010»
13 years 6 months ago
Multiconstrained gene clustering based on generalized projections
Background: Gene clustering for annotating gene functions is one of the fundamental issues in bioinformatics. The best clustering solution is often regularized by multiple constra...
Jia Zeng, Shanfeng Zhu, Alan Wee-Chung Liew, Hong ...
TIFS
2008
129views more  TIFS 2008»
13 years 6 months ago
On Empirical Recognition Capacity of Biometric Systems Under Global PCA and ICA Encoding
Performance of biometric-based recognition systems depends on various factors: database quality, image preprocessing, encoding techniques, etc. Given a biometric database and a se...
Natalia A. Schmid, Francesco Nicolo
IJCV
2002
240views more  IJCV 2002»
13 years 6 months ago
Self-Calibration of Rotating and Zooming Cameras
In this paper we describe the theory and practice of self-calibration of cameras which are fixed in location and may freely rotate while changing their internal parameters by zoomi...
Lourdes de Agapito, Eric Hayman, Ian D. Reid