| Records |
| Author |
A. Amato; F. Lumbreras; Angel D. Sappa |
| Title |
A general-purpose crowdsourcing platform for mobile devices |
Type  |
Conference Article |
| Year |
2014 |
Publication |
Computer Vision Theory and Applications (VISAPP), 2014 International Conference on, Lisbon, Portugal, 2014 |
Abbreviated Journal |
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| Volume |
3 |
Issue |
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Pages |
211-215 |
| Keywords |
Crowdsourcing Platform, Mobile Crowdsourcing |
| Abstract |
This paper presents details of a general purpose micro-taskon-demand platform based on the crowdsourcing philosophy. This platformwas specifically developed for mobile devices in order to exploit the strengths of such devices; namely: i) massivity, ii) ubiquityand iii) embedded sensors.The combined use of mobile platforms and the crowdsourcing model allows to tackle from the simplest to the most complex tasks.Users experience is the highlighted feature of this platform (this fact is extended to both task-proposer and task- solver).Proper tools according with a specific task are provided to a task-solver in order to perform his/her job in a simpler, faster and appealing way.Moreover, a task can be easily submitted by just selecting predefined templates, which cover a wide range of possible applications.Examples of its usage in computer vision and computer games are provided illustrating the potentiality of the platform. |
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| Publisher |
IEEE |
Place of Publication |
Lisbon, Portugal |
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| Language |
English |
Summary Language |
English |
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Computer Vision Theory and Applications (VISAPP), 2014 International Conference on |
| Notes |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
25 |
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| Author |
P. Ricaurte; C. Chilán; C. A. Aguilera-Carrasco; B. X. Vintimilla; Angel D. Sappa |
| Title |
Performance Evaluation of Feature Point Descriptors in the Infrared Domain |
Type |
Conference Article |
| Year |
2014 |
Publication |
Computer Vision Theory and Applications (VISAPP), 2014 International Conference on, Lisbon, Portugal, 2013 |
Abbreviated Journal |
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| Volume |
1 |
Issue |
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Pages |
545 -550 |
| Keywords |
Infrared Imaging, Feature Point Descriptors |
| Abstract |
This paper presents a comparative evaluation of classical feature point descriptors when they are used in the long-wave infrared spectral band. Robustness to changes in rotation, scaling, blur, and additive noise are evaluated using a state of the art framework. Statistical results using an outdoor image data set are presented together with a discussion about the differences with respect to the results obtained when images from the visible spectrum are considered. |
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IEEE |
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English |
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English |
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2014 International Conference on Computer Vision Theory and Applications (VISAPP) |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
26 |
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| Author |
N. Onkarappa; Cristhian A. Aguilera; B. X. Vintimilla; Angel D. Sappa |
| Title |
Cross-spectral Stereo Correspondence using Dense Flow Fields |
Type |
Conference Article |
| Year |
2014 |
Publication |
Computer Vision Theory and Applications (VISAPP), 2014 International Conference on, Lisbon, Portugal, 2014 |
Abbreviated Journal |
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| Volume |
3 |
Issue |
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Pages |
613 - 617 |
| Keywords |
Cross-spectral Stereo Correspondence, Dense Optical Flow, Infrared and Visible Spectrum |
| Abstract |
This manuscript addresses the cross-spectral stereo correspondence problem. It proposes the usage of a dense flow field based representation instead of the original cross-spectral images, which have a low correlation. In this way, working in the flow field space, classical cost functions can be used as similarity measures. Preliminary experimental results on urban environments have been obtained showing the validity of the proposed approach. |
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| Publisher |
IEEE |
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English |
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English |
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Conference |
2014 International Conference on Computer Vision Theory and Applications (VISAPP) |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
27 |
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| Author |
M. Diaz; Dennys Paillacho; C. Angulo; O. Torres; J. Gonzálalez; J. Albo Canals |
| Title |
A Week-long Study on Robot-Visitors Spatial Relationships during Guidance in a Sciences Museum |
Type |
Conference Article |
| Year |
2014 |
Publication |
ACM/IEEE International Conference on Human-Robot Interaction |
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Issue |
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Pages |
152-153 |
| Keywords |
social human-robot interaction, spatial relationships, proxemics behavior |
| Abstract |
In order to observe spatial relationships in social human- robot interactions, a field trial was carried out within the CosmoCaixa Science Museum in Barcelona. The follow me episodes studied showed that the space configurations formed by guide and visitors walking together did not always fit the robot social affordances and navigation requirements to perform the guidance successfully, thus additional commu- nication prompts are considered to regulate effectively the walking together and follow me behaviors. |
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English |
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English |
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| Notes |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
29 |
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| Author |
Dennys Paillacho, Nayeth Solórzano, Michael Arce, María Plues & Edwin Eras |
| Title |
Advanced metrics to evaluate autistic children's attention and emotions from facial characteristics using a human robot-game interface |
Type |
Conference Article |
| Year |
2023 |
Publication |
Communications in Computer and Information Science. 11th Conferencia Ecuatoriana de Tecnologías de la Información y Comunicación TICEC 2023 |
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| Volume |
1885 CCIS |
Issue |
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Pages |
234 - 247 |
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| ISSN |
18650929 |
ISBN |
978-303145437-0 |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
221 |
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| Author |
Wilton Agila; Victor M. Huilcapi |
| Title |
Lógica borrosa para la estimación de estados críticos de una pila de combustible PEM |
Type |
Conference Article |
| Year |
2014 |
Publication |
Reconocimientos de Patrones, Control Inteligente y Comunicaciones (MACH 2014) |
Abbreviated Journal |
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| Volume |
5 |
Issue |
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Pages |
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| Keywords |
Caracterización de pilas de combustible PEM, estado de inundación y deshidratación de la membrana polimérica, árbol de decisión borroso, control, lógica difusa |
| Abstract |
La determinación en tiempo real de los estados críticos de operación de la pila de combustible de membrana intercambio protónico (siglas en ingles, PEM) es uno de los principales retos para los sistemas de control de pilas de combustible PEM. En este trabajo, se presenta el desarrollo e implementación de un método no invasivo de bajo coste basado en técnicas de decisión borrosa que permite estimar los estados críticos de operación de la pila de combustible PEM. La estimación se realiza mediante perturbaciones al estado de operación de la pila y el análisis posterior de la evolución temporal del voltaje generado por la pila. La implementación de esta técnica de estimulación-percepción de estado de la pila de combustible para la detección de estados críticos constituye una novedad y un paso hacia el control autónomo en óptimas condiciones de la operación de las pilas de combustible PEM. |
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| Publisher |
Universidad de Cuenca |
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| Language |
Español |
Summary Language |
Español |
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no |
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cidis @ cidis @ |
Serial |
31 |
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| Author |
Mildred Cruz; Cristhian A. Aguilera; Boris X. Vintimilla; Ricardo Toledo; Ángel D. Sappa |
| Title |
Cross-spectral image registration and fusion: an evaluation study |
Type |
Conference Article |
| Year |
2015 |
Publication |
2nd International Conference on Machine Vision and Machine Learning |
Abbreviated Journal |
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| Volume |
331 |
Issue |
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Pages |
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| Keywords |
multispectral imaging; image registration; data fusion; infrared and visible spectra |
| Abstract |
This paper presents a preliminary study on the registration and fusion of cross-spectral imaging. The objective is to evaluate the validity of widely used computer vision approaches when they are applied at different spectral bands. In particular, we are interested in merging images from the infrared (both long wave infrared: LWIR and near infrared: NIR) and visible spectrum (VS). Experimental results with different data sets are presented. |
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| Publisher |
Computer Vision Center |
Place of Publication |
Barcelona, Spain |
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English |
Summary Language |
English |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
35 |
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| Author |
Ricardo Cajo; Wilton Agila |
| Title |
Evaluation of algorithms for linear and nonlinear PID control for Twin Rotor MIMO System |
Type |
Conference Article |
| Year |
2015 |
Publication |
Computer Aided System Engineering (APCASE), 2015 Asia-Pacific Conference on, Quito, 2015 |
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Issue |
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Pages |
214-219 |
| Keywords |
Twin Rotor MIMO System (TRMS); Proportional-Integral-Derivative (PID); Linear PID Controller; Nonlinear PID Controller; Nonlinear Observer |
| Abstract |
In this paper the linear and nonlinear PID control algorithms are analyzed and for a twin rotor MIMO system (TRMS), whose characteristic is not linear with two degrees of freedom and cross-links. The aim of this work is to stabilize the TRMS, to achieve a particular position and follow a trajectory in the shortest time. Mathematical modeling of helicopter model is simulated using MATLAB / Simulink, the two degrees of freedom are controlled both horizontally and vertically through the proposed controllers. Also nonlinear segmented observers for each degree of freedom are designed in order to measure statements required by the nonlinear controller. Followed, a comparative analysis of both algorithms is presented to evaluate their performance in the real TRMS. |
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IEEE |
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English |
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English |
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2015 Asia-Pacific Conference on Computer Aided System Engineering |
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Approved |
no |
| Call Number |
cidis @ cidis @ |
Serial |
36 |
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| Author |
Miguel Realpe; Boris X. Vintimilla; L. Vlacic |
| Title |
Towards Fault Tolerant Perception for autonomous vehicles: Local Fusion. |
Type |
Conference Article |
| Year |
2015 |
Publication |
IEEE 7th International Conference on Cybernetics and Intelligent Systems (CIS) and IEEE Conference on Robotics, Automation and Mechatronics (RAM), Siem Reap, 2015. |
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Pages |
253-258 |
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| Abstract |
Many robust sensor fusion strategies have been developed in order to reliably detect the surrounding environments of an autonomous vehicle. However, in real situations there is always the possibility that sensors or other components may fail. Thus, internal modules and sensors need to be monitored to ensure their proper function. This paper introduces a general view of a perception architecture designed to detect and classify obstacles in an autonomous vehicle's environment using a fault tolerant framework, whereas elaborates the object detection and local fusion modules proposed in order to achieve the modularity and real-time process required by the system. |
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no |
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cidis @ cidis @ |
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37 |
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| Author |
Dennys Paillacho; Cecilio Angulo; Marta Díaz. |
| Title |
An Exploratory Study of Group-Robot Social Interactions in a Cultural Center |
Type |
Conference Article |
| Year |
2015 |
Publication |
IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2015, International Conference on, Hamburg, Germany, 2015 |
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This article describes an exploratory study of social human-robot interaction with the experimental robotic platform MASHI. The experiences were carried out in La B`obila Cultural Center in Barcelona, Spain to study the visitor preferences, characterize the groups and their spatial relationships in this open and unstructured environment. Results showed that visitors prefers to play and dialogue with the robot. Children have the highest interest in interacting with the robot, more than young and adult visitors. Most of the groups consisted of more than 3 visitors, however the size of the groups during interactions was continuously changed. In static situations, the observed spatial relationships denotes a social cohesion in the human-robot interactions. |
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gtsi @ user @ |
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67 |
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