Results 11 to 20 of about 75,996 (139)
Analysis of the Cluster Prominence Feature for Detecting Calcifications in Mammograms. [PDF]
J Healthc Eng, 2018 In mammograms, a calcification is represented as small but brilliant white region of the digital image. Earlier detection of malignant calcifications in patients provides high expectation of surviving to this disease. Nevertheless, white regions are difficult to see by visual inspection because a mammogram is a gray‐scale image of the breast.
Cruz-Bernal A +4 more
europepmc +2 more sources
Improving EEG-Based Motor Imagery Classification for Real-Time Applications Using the QSA Method. [PDF]
Comput Intell Neurosci, 2017 We present an improvement to the quaternion‐based signal analysis (QSA) technique to extract electroencephalography (EEG) signal features with a view to developing real‐time applications, particularly in motor imagery (IM) cognitive processes. The proposed methodology (iQSA, improved QSA) extracts features such as the average, variance, homogeneity ...
Batres-Mendoza P +6 more
europepmc +2 more sources
Revista mexicana de física, 2021 Reportamos un lazo de Costas para demodulación de un campo óptico con modulación de fase binaria (BPSK). El lazo opera en el dominio del procesamiento digital de señales (DSP) como parte de un receptor digital coherente intradino.
E. A. Dominguez Ratamoza +4 more
semanticscholar +1 more source
Espacios, 2020 La estructura Lattice por su modularidad permite canalizar datos, ofrece propiedades deseables de estabilidad, rápida convergencia y seguimiento (tracking). Otras propiedades como el cascadeo de secciones idénticas, coeficientes con magnitudes inferiores
M. F. Rivera
semanticscholar +1 more source
Mathematical Problems in Engineering, Volume 2018, Issue 1, 2018., 2018 This work presents a watermarking technique in digital images using a brightness model and the Hermite Transform (HT). The HT is an image representation model that incorporates important properties of the Human Vision System (HVS), such as the analysis of local orientation, and the model of Gaussian derivatives of early vision.
Boris Escalante-Ramírez +2 more
wiley +1 more source
, 2018 Sobre el procesamiento digital de senales con sistemas de computadoras con capacidades genericas, en su mayoria de un solo procesador ...
Gabriel Martinez +3 more
semanticscholar +1 more source
Shock and Vibration, Volume 2016, Issue 1, 2016., 2016 Gearboxes and induction motors are important components in industrial applications and their monitoring condition is critical in the industrial sector so as to reduce costs and maintenance downtimes. There are several techniques associated with the fault diagnosis in rotating machinery; however, vibration and stator currents analysis are commonly used ...
Juan Jose Saucedo-Dorantes +5 more
wiley +1 more source
Vibration Suppression for Improving the Estimation of Kinematic Parameters on Industrial Robots
Shock and Vibration, Volume 2016, Issue 1, 2016., 2016 Vibration is a phenomenon that is present on every industrial system such as CNC machines and industrial robots. Moreover, sensors used to estimate angular position of a joint in an industrial robot are severely affected by vibrations and lead to wrong estimations.
David Alejandro Elvira-Ortiz +5 more
wiley +1 more source
Ciencia Latina Revista Científica MultidisciplinarEl procesamiento digital de señales e imágenes médicas ha emergido como una herramienta crucial en la medicina moderna, permitiendo diagnósticos más precisos y tempranos que pueden reducir significativamente los riesgos asociados con diversas ...
Cristina Juárez Landín +3 more
semanticscholar +1 more source
Software en Matlab Para un Sistema de Adquisición de Datos Utilizando la Tarjeta de Sonido de una PC
Revista de Investigación de Física, 2005 Dado el alto costo de las tarjetas de adquisición de datos, se ha diseñado e implementado un sistema de adquisición de datos mediante la tarjeta de sonido de la PC, el cual es un conversor analógico digital de 2 canales, con una resolución de 16 ...
César Ornar Jiménez Tintaya
doaj +1 more source