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ACIVS
2007
Springer
16 years 19 days ago
Polyphase Filter and Polynomial Reproduction Conditions for the Construction of Smooth Bidimensional Multiwavelets
Abstract. To construct a very smooth nonseparable multiscaling function, we impose polynomial approximation order 2 and add new conditions on the polyphase highpass filters. We wo...
Ana M. C. Ruedin
HIP
2005
Springer
174views Cryptology» more  HIP 2005»
15 years 12 months ago
Collaborative Filtering CAPTCHAs
Abstract. Current CAPTCHAs require users to solve objective questions such as text recognition or image recognition. We propose a class of CAPTCHAs based on collaborative filterin...
Monica Chew, J. D. Tygar
ICRA
2002
IEEE
121views Robotics» more  ICRA 2002»
15 years 11 months ago
A Tale of Two Filters - On-Line Novelty Detection
Abstract— For mobile robots, as well as other learning systems, the ability to highlight unexpected features of their environment – novelty detection – is very useful. One pa...
Paul A. Crook, Stephen Marsland, Gillian Hayes, Ul...
ISBI
2006
IEEE
16 years 14 days ago
Automated detection of stable fracture points in computed tomography image sequences
Automated detection of stable fracture points in a sequence of Computed Tomography (CT) images is found to be a challenging task. In this paper, an innovative scheme for automatic...
Ananda S. Chowdhury, Suchendra M. Bhandarkar, Gaur...
ICIP
2005
IEEE
16 years 8 months ago
Spatial domain analysis on the focus measurement for light field rendering
Light field rendering (LFR) is an image-based rendering method for synthesizing free-viewpoint images from a set of multi-view images. In LFR, no/little knowledge of geometry is r...
Keita Takahashi, Takeshi Naemura