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TIP
2008
122views more  TIP 2008»
15 years 1 months ago
Efficient 2-D Grayscale Morphological Transformations With Arbitrary Flat Structuring Elements
Abstract--An efficient algorithm is presented for the computation of grayscale morphological operations with arbitrary 2-D flat structuring elements (S.E.). The required computing ...
Erik R. Urbach, Michael H. F. Wilkinson
TSP
2008
100views more  TSP 2008»
15 years 1 months ago
Optimal Two-Stage Search for Sparse Targets Using Convex Criteria
We consider the problem of estimating and detecting sparse signals over a large area of an image or other medium. We introduce a novel cost function that captures the tradeoff bet...
Eran Bashan, Raviv Raich, Alfred O. Hero III
MTA
2007
122views more  MTA 2007»
15 years 1 months ago
Geometrically invariant watermarking: synchronization through circular Hough transform
This paper addresses a geometrically invariant watermarking method for digital images. Most previous watermarking algorithms perform weakly against geometric distortions, which des...
Hae-Yeoun Lee, Choong-Hoon Lee, Heung-Kyu Lee
IVC
2010
143views more  IVC 2010»
15 years 11 days ago
Video-based face model fitting using Adaptive Active Appearance Model
Active Appearance Model (AAM) represents the shape and appearance of an object via two low-dimensional subspaces, one for shape and one for appearance. AAM for facial images is cu...
Xiaoming Liu
ICIP
2010
IEEE
14 years 12 months ago
An integer programming approach to visual compliance
Visual compliance has emerged as a new paradigm to ensure that employees comply with processes and policies in a business context [1]. In this paper, we focus on videos from retai...
Lei Ding, Quanfu Fan, Sharath Pankanti