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Author
Angel D. Sappa
;
Juan A. Carvajal
;
Cristhian A. Aguilera
;
Miguel Oliveira
;
Dennis G. Romero
;
Boris X. Vintimilla
Title
Wavelet-Based Visible and Infrared Image Fusion: A Comparative Study
Type
Journal Article
Year
2016
Publication
Sensors Journal
Abbreviated Journal
Volume
Vol. 16
Issue
Pages
pp. 1-15
Keywords
image fusion
;
fusion evaluation metrics
;
visible and infrared imaging
;
discrete wavelet transform
Abstract
This paper evaluates different wavelet-based cross-spectral image fusion strategies adopted to merge visible and infrared images. The objective is to find the best setup independently of the evaluation metric used to measure the performance. Quantitative performance results are obtained with state of the art approaches together with adaptations proposed in the current work. The options evaluated in the current work result from the combination of different setups in the wavelet image decomposition stage together with different fusion strategies for the final merging stage that generates the resulting representation. Most of the approaches evaluate results according to the application for which they are intended for. Sometimes a human observer is selected to judge the quality of the obtained results. In the current work, quantitative values are considered in order to find correlations between setups and performance of obtained results; these correlations can be used to define a criteria for selecting the best fusion strategy for a given pair of cross-spectral images. The whole procedure is evaluated with a large set of correctly registered visible and infrared image pairs, including both Near InfraRed (NIR) and LongWave InfraRed (LWIR).
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
English
Summary Language
English
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
Approved
no
Call Number
cidis @ cidis @
Serial
47
Permanent link to this record
Author
Abel Rubio, Wilton Agila, Leandro González & Jonathan Aviles-Cedeno
Title
Distributed Intelligence in Autonomous PEM Fuel Cell Control.
Type
Journal Article
Year
2023
Publication
Energies 2023
Abbreviated Journal
Volume
Vol. 16
Issue
Issue 12
Pages
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
19961073
ISBN
Medium
Area
Expedition
Conference
Notes
Approved
no
Call Number
cidis @ cidis @
Serial
217
Permanent link to this record
Author
Ricaurte P
;
Chilán C
;
Cristhian A. Aguilera
;
Boris X. Vintimilla
;
Angel D. Sappa
Title
Feature Point Descriptors: Infrared and Visible Spectra
Type
Journal Article
Year
2014
Publication
Sensors Journal
Abbreviated Journal
Volume
Vol. 14
Issue
Pages
pp. 3690-3701
Keywords
cross-spectral imaging
;
feature point descriptors
Abstract
This manuscript evaluates the behavior of classical feature point descriptors when they are used in images from long-wave infrared spectral band and compare them with the results obtained in the visible spectrum. Robustness to changes in rotation, scaling, blur, and additive noise are analyzed using a state of the art framework. Experimental results using a cross-spectral outdoor image data set are presented and conclusions from these experiments are given.
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
English
Summary Language
English
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
Approved
no
Call Number
cidis @ cidis @
Serial
28
Permanent link to this record
Author
Marta Diaz
;
Dennys Paillacho
;
Cecilio Angulo
Title
Evaluating Group-Robot Interaction in Crowded Public Spaces: A Week-Long Exploratory Study in the Wild with a Humanoid Robot Guiding Visitors Through a Science Museum.
Type
Journal Article
Year
2015
Publication
International Journal of Humanoid Robotics
Abbreviated Journal
Volume
Vol. 12
Issue
Pages
Keywords
Group-robot interaction
;
robotic-guide
;
social navigation
;
space management
;
spatial formations
;
group walking behavior
;
crowd behavior
Abstract
This paper describes an exploratory study on group interaction with a robot-guide in an open large-scale busy environment. For an entire week a humanoid robot was deployed in the popular Cosmocaixa Science Museum in Barcelona and guided hundreds of people through the museum facilities. The main goal of this experience is to study in the wild the episodes of the robot guiding visitors to a requested destination focusing on the group behavior during displacement. The walking behavior follow-me and the face to face communication in a populated environment are analyzed in terms of guide- visitors interaction, grouping patterns and spatial formations. Results from observational data show that the space configurations spontaneously formed by the robot guide and visitors walking together did not always meet the robot communicative and navigational requirements for successful guidance. Therefore additional verbal and nonverbal prompts must be considered to regulate effectively the walking together and follow-me behaviors. Finally, we discuss lessons learned and recommendations for robot’s spatial behavior in dense crowded scenarios.
Address
Corporate Author
Thesis
Publisher
International Journal of Humanoid Robotics
Place of Publication
Editor
Language
English
Summary Language
English
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
Approved
no
Call Number
cidis @ cidis @
Serial
34
Permanent link to this record
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