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» Image Metamorphosis Using Optical Flow Techniques
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ECCV
2008
Springer
14 years 9 months ago
A Lattice-Preserving Multigrid Method for Solving the Inhomogeneous Poisson Equations Used in Image Analysis
Abstract. The inhomogeneous Poisson (Laplace) equation with internal Dirichlet boundary conditions has recently appeared in several applications ranging from image segmentation [1,...
Leo Grady
SIBGRAPI
2005
IEEE
14 years 1 months ago
Ridge-Based Fingerprint Matching Using Hough Transform
Despite the efficacy of minutia-based fingerprint matching techniques for good-quality images captured by optical sensors, minutia-based techniques do not often perform so well on...
Aparecido Nilceu Marana, Anil K. Jain
ISVC
2010
Springer
13 years 6 months ago
Retinal Vessel Extraction with the Image Ray Transform
Extraction of blood vessels within the retina is an important task that can help in detecting a number of diseases, including diabetic retinopathy. Current techniques achieve good,...
Alastair H. Cummings, Mark S. Nixon
ICCV
1999
IEEE
14 years 9 months ago
Optimal Filters for Gradient-based Motion Estimation
Gradient based approaches for motion estimation (Optical-Flow) estimate the motion of an image sequence based on local changes in the image intensities. In order to best evaluate ...
Michael Elad, Patrick C. Teo, Yacov Hel-Or
DPHOTO
2009
129views Hardware» more  DPHOTO 2009»
13 years 5 months ago
Extended depth-of-field using sharpness transport across color channels
In this paper we present an approach to extend the Depth-of-Field (DoF) for cell phone miniature camera by concurrently optimizing optical system and post-capture digital processi...
Frederic Guichard, Hoang-Phi Nguyen, Régis ...