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Computational Intelligence and Neuroscience
Article . 2016 . Peer-reviewed
License: CC BY
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Article . 2016
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Article . 2016
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A Multiobjective Approach to Homography Estimation

Authors: Valentín Osuna-Enciso; Erik Cuevas; Diego Oliva; Virgilio Zúñiga; Marco Antonio Pérez Cisneros; Daniel Zaldivar 0001;

A Multiobjective Approach to Homography Estimation

Abstract

In several machine vision problems, a relevant issue is the estimation of homographies between two different perspectives that hold an extensive set of abnormal data. A method to find such estimation is the random sampling consensus (RANSAC); in this, the goal is to maximize the number of matching points given a permissible error (Pe), according to a candidate model. However, those objectives are in conflict: a low Pe value increases the accuracy of the model but degrades its generalization ability that refers to the number of matching points that tolerate noisy data, whereas a high Pe value improves the noise tolerance of the model but adversely drives the process to false detections. This work considers the estimation process as a multiobjective optimization problem that seeks to maximize the number of matching points whereas Pe is simultaneously minimized. In order to solve the multiobjective formulation, two different evolutionary algorithms have been explored: the Nondominated Sorting Genetic Algorithm II (NSGA-II) and the Nondominated Sorting Differential Evolution (NSDE). Results considering acknowledged quality measures among original and transformed images over a well-known image benchmark show superior performance of the proposal than Random Sample Consensus algorithm.

Country
Mexico
Keywords

Optimization, decision support system, Digital storage, Multi-objective optimization problem, Multi-objective formulation, Evolutionary algorithms, Decision Support Techniques, Pattern Recognition, Automated, Artificial Intelligence, computer simulation, Humans, Computer Simulation, human, procedures, Multiobjective approach, Random sample consensus, Multiobjective optimization, algorithm, Image matching, Sorting, theoretical model, Differential Evolution, Genetic algorithms, Models, Theoretical, Non dominated sorting genetic algorithm ii (NSGA II), artificial intelligence, Generalization ability, Benchmarking, automated pattern recognition, 7 INGENIERÍA Y TECNOLOGÍA, Computer vision, Homography estimations, Algorithms, Research Article

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    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Average
Green
gold