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Listar por palabra clave "Quality assessment"

Mostrando ítems 1-15 de 15

A Deep Learning Approach for Featureless Robust Quality Assessment of Intermittent Atrial Fibrillation Recordings from Portable and Wearable Devices

Huerta Herraiz, Álvaro; Martínez-Rodrigo, Arturo; Bertomeu-González, Vicente; Quesada, Aurelio; Rieta, J J; Alcaraz, Raúl (MDPI AG, 2020-07)

[EN] Atrial fibrillation (AF) is the most common heart rhythm disturbance in clinical practice. It often starts with asymptomatic and very short episodes, which are extremely difficult to detect without long-term monitoring ...
Análisis de la calidad de exámenes de alternativa múltiple a través de la teoría de respuesta al item: aplicación en la asignatura de “Evaluación Psicològica”

Castro-Calvo, Jesús; Pons-Cañaveras, Diana; Beltrán-Martínez, Patricia; Atienza-González, Francisco; Bellver-Pérez, Ascensión; De la Barrera-Marzal, Usue; Díaz-Martínez, Amelia; Juan-Hidalgo, Alicia; Lacomba-Trejo, Laura; Mira-Pastor, Adriana; Mónaco-Gerónimo, Estefanía; Montoya-Castilla, Inmaculada; Schoeps, Konstanze; Silva-Silva, Castora; Wrzesien, Maja (Editorial Universitat Politècnica de València, 2022-10-28)

[EN] Multiple Choice testing (MCT) is one of the most popular approaches to the assessment of knowledge acquisition. Preparing a MCT is complex; however, its metric quality (in terms of difficulty, discrimination capacity, ...
Assessment of eggplant firmness with accelerometers on a pneumatic robot gripper

Blanes Campos, Carlos; Ortiz Sánchez, María Coral; Mellado Arteche, Martín; Beltrán Beltrán, Pablo (Elsevier, 2015-04)

A pneumatic robot gripper capable of sorting eggplants according to their firmness has been developed and tested. The gripper has three fingers and one suction cup. Each finger has an inertial sensor attached to it. One ...
Automatic characterization of human embryos at day 4 post-insemination from time-lapse imaging using supervised contrastive learning and inductive transfer learning techniques

Paya-Bosch, Elena; Bori, Lorena; Colomer, Adrián; Meseguer, Marcos; Naranjo Ornedo, Valeriana (Elsevier, 2022-06-01)

[EN] Embryo morphology is a predictive marker for implantation success and ultimately live births. Viability evaluation and quality grading are commonly used to select the embryo with the highest implantation potential. ...
Comparative study of probability distribution distances to define a metric for the stability of multi-source biomedical research data

Sáez Silvestre, Carlos; Robles Viejo, Montserrat; García Gómez, Juan Miguel (2013-07)

Research biobanks are often composed by data from multiple sources. In some cases, these different subsets of data may present dissimilarities among their probability density functions (PDF) due to spatial shifts. This, ...
Durable 3D murine ex vivo retina glaucoma models for optical coherence tomography

Barroso, Álvaro; Ketelhut, Steffi; Nettels-Hackert, Gerburg; Heiduschka, Peter; del Amor, Rocío; Naranjo, Valery; Kemper, Björn; Schnekenburger, Jürgen (Optical Society of America, 2023-08-02)

[EN] Durable and standardized phantoms with optical properties similar to native healthy and disease-like biological tissues are essential tools for the development, performance testing, calibration and comparison of ...
Evaluation of automatic building detection approaches combining high resolution images and LiDAR data

Hermosilla, T.; Ruiz Fernández, Luis Ángel; Recio Recio, Jorge Abel; Estornell Cremades, Javier (MDPI, 2011)

In this paper, two main approaches for automatic building detection and localization using high spatial resolution imagery and LiDAR data are compared and evaluated: thresholding-based and object-based classification. The ...
Fine-tuning machine translation quality-rating scales for new digital genres: The case of user-generated content

Candel-Mora, Miguel Ángel (Publicaciones Universidad de Alicante, 2022)

[ES] Con la participación activa de los usuarios en las plataformas de reseñas de productos, los contenidos online generados por los consumidores, y más concretamente, las opiniones de los usuarios se han convertido en una ...
Garras con sensores táctiles intrínsecos para manipular alimentos con robots

Blanes Campos, Carlos (Universitat Politècnica de València, 2016-09-01)

[EN] The primary handling of food with robots calls for the development of new manipulation devices, especially when products are easily damaged and have a wide range of shapes and textures. These difficulties are even ...
Implications of quality filtering of Enhanced Vegetation Index (EVI) for ecosystem functioning monitoring

Reyes-Díez, A.; Alcaraz-Segura, D.; Cabello-Piñar, J. (Universitat Politècnica de València, 2015-06-26)

[EN] The use of MODIS (Moderate Resolution Imaging Spectroradiometer) images for ecosystem monitoring is currently widespread both in research and management. Vegetation indexes (VIs), such as NDVI (Normalized Difference ...
Probabilistic Evaluation of 3D Surfaces Using Statistical Shape Models (SSM)

Pérez, Javier; Guardiola Garcia, Jose Luis; Pérez Jiménez, Alberto José; Perez-Cortes, Juan-Carlos (MDPI AG, 2020-11)

[EN] Inspecting a 3D object which shape has elastic manufacturing tolerances in order to find defects is a challenging and time-consuming task. This task usually involves humans, either in the specification stage followed ...
QMRNet: Quality Metric Regression for EO Image Quality Assessment and Super-Resolution

Berga, David; Gallés, Pau; Takáts, Katalin; Mohedano, Eva; Riordan-Chen, Laura; García-Moll, Clara; Vilaseca, David; Marín, Javier (MDPI AG, 2023-05-06)

[EN] The latest advances in super-resolution have been tested with general-purpose images such as faces, landscapes and objects, but mainly unused for the task of super-resolving earth observation images. In this research ...
Quality Assessment of Very Long-Term ECG Recordings Using a Convolutional Neural Network

Huerta, A.; Martínez-Rodrigo, A.; Bertomeu González, V.; Quesada, A.; Rieta, J J; Alcaraz, R. (IEEE, 2019-11-23)

[EN] The electrocardiogram (ECG) is a physiological signal highly sensitive to disturbances during its acquisition. To palliate this issue, many works have described preprocessing algorithms operating in 12-lead, short-term ...
Recent advances and applications of hyperspectral imaging for fruit and vegetable quality assessment

Lorente, D.; Aleixos Borrás, María Nuria; Gómez Sanchís, Juan; Cubero, S.; García Navarrete, Óscar Leonardo; Blasco Ivars, José (Springer Verlag, 2011-05)

[EN] Hyperspectral imaging systems are starting to be used as a scientific tool for food quality assessment. A typical hyperspectral image is composed of a set of a relatively wide range of monochromatic images corresponding ...
Single Fusion Image from Collections of Fruit Views for Defect Detection and Classification

Albiol Colomer, Antonio José; Sánchez de-Merás, Carlos Javier; Albiol Colomer, Alberto; Hinojosa, Sara (MDPI AG, 2022-07)

[EN] Quality assessment is one of the most common processes in the agri-food industry. Typically, this task involves the analysis of multiple views of the fruit. Generally speaking, analyzing these single views is a highly ...