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ICPR
2004
IEEE
14 years 6 months ago
Sample Size Estimation using the Receiver Operating Characteristic Curve
In this paper we describe two related approaches to estimating the sample sizes required to statistically compare the performance of two classifiers: acceptable failure rates (AFR...
Andrew P. Bradley, I. Dennis Longstaff
ICPR
2004
IEEE
14 years 6 months ago
Incorporating Temporal Context with Content for Classifying Image Collections
Semantic scene classification is an open problem in image understanding, especially when information purely from image content (i.e., pixels) is employed. However, in applications...
Jiebo Luo, Matthew R. Boutell
ICPR
2004
IEEE
14 years 6 months ago
Face Verification System Architecture Using Smart Cards
A smart card based face verification system is proposed in which the feature extraction and decision making is performed on the card. Such an architecture has many privacy and sec...
Josef Kittler, Kieron Messer, Thirimachos Bourlai
ICPR
2004
IEEE
14 years 6 months ago
Gaussian Energy Functions for Registration without Correspondences
A new criterion based on Gaussian fields is introduced and applied to the task of automatic rigid registration of point-sets. The method defines a simple energy function, which is...
Andreas Koschan, Besma R. Abidi, Faysal Boughorbel...
ICPR
2004
IEEE
14 years 6 months ago
Robust Playfield Segmentation using MAP Adaptation
A vital task in sports video annotation is to detect and segment areas of the playfield. This is an important first step in player or ball tracking and detecting the location of t...
Jean-Marc Odobez, Mark Barnard
ICPR
2004
IEEE
14 years 6 months ago
An FPGA-Based Architecture for Real Time Image Feature Extraction
We propose a novel FPGA-based architecture for the extraction of four texture features using Gray Level Cooccurrence Matrix (GLCM) analysis. These features are angular second mome...
Dimitrios E. Maroulis, Dimitrios K. Iakovidis, Dim...
ICPR
2004
IEEE
14 years 6 months ago
Corner Detection Using Support Vector Machines
A support vector machine based algorithm for corner detection is presented. It is based on computing the direction of maximum gray-level change for each edge pixel in an image, an...
Malay K. Kundu, Minakshi Banerjee, Pabitra Mitra
ICPR
2004
IEEE
14 years 6 months ago
Switching Particle Filters for Efficient Real-time Visual Tracking
Particle filtering is an approach to Bayesian estimation of intractable posterior distributions from time series signals distributed by non-Gaussian noise. A couple of variant par...
Kenji Doya, Shin Ishii, Takashi Bando, Tomohiro Sh...
ICPR
2004
IEEE
14 years 6 months ago
Object-Based and Event-Based Semantic Video Adaptation
Semantic video adaptation allows to transmit video content with different viewing quality, depending on the relevance of the content from the user's viewpoint. To this end, a...
Marco Bertini, Alberto Del Bimbo, Rita Cucchiara, ...
ICPR
2004
IEEE
14 years 6 months ago
Principal Flow for Tubular Objects with Non-Circular Cross-Sections
Various anatomical objects are tubular in shape. These structures can be modeled by describing their curvilinear path and the cross-sectional shape along the path. However, most r...
Gavin Baker, Nick Barnes