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SIBGRAPI
2005
IEEE
13 years 10 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
SIBGRAPI
2005
IEEE
13 years 10 months ago
Imesh: An Image Based Quality Mesh Generation Technique
Generating triangular meshes from images is a task important to many applications. Usually, techniques that can do that either take as starting point a segmented image or generate...
Alex Jesus Cuadros-Vargas, Luis Gustavo Nonato, Ro...
SIBGRAPI
2005
IEEE
13 years 10 months ago
A Maximum-Likelihood Approach for Multiresolution W-Operator Design
The design of W-operators from a set of input/output examples for large windows is a hard problem. From the statistical standpoint, it is hard because of the large number of examp...
Daniel André Vaquero, Junior Barrera, Rober...
SIBGRAPI
2005
IEEE
13 years 10 months ago
Particle Filter-Based Predictive Tracking for Robust Fish Counting
In this paper we study the use of computer vision techniques for for underwater visual tracking and counting of fishes in vivo. The methodology is based on the application of a B...
Erikson F. Morais, Mario Fernando Montenegro Campo...
SIBGRAPI
2005
IEEE
13 years 10 months ago
Boolean Operations on Surfel-Bounded Objects Using Constrained BSP-Trees
Point-based modeling and rendering is an active area of research in Computer Graphics. The concept of points with attributes (e.g. normals) is usually referred to as surfels, and ...
Marcus A. C. Farias, Carlos Eduardo Scheidegger, J...