Search Results - "Juliana Valencia-Aguirre"

Sensor Fusion for Distance Estimation Under Disturbance with Reflective Optical Sensors using Multi Layer Perceptron (MLP) by Mesa, Joao, Betancur Vasquez, Daniel, Valencia Aguirre, Juliana, Botero Valencia, Juan Sebastian

“…There are many methods to perform distance measurement, among them the reflexive optical sensors, which are low cost but present some issues such as nonlinear…”
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Selección automática de parámetros en LLE by Juliana Valencia Aguirre, Andrés Marino Álvarez Meza, Genaro Daza Santacoloma, Carlos Daniel Acosta Medina, Germán Castellanos Domínguez

“…Inmersión localmente lineal (LLE) es una técnica de reducción de dimensión no lineal que permite conservar la geometría local del espacio de alta dimensión, al…”
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Automatic selection of parameters in LLE by Juliana Valencia Aguirre, Andrés Marino Álvarez Meza, Genaro Daza Santacoloma, Carlos Daniel Acosta Medina, Germán Castellanos Domínguez

“…Locally Linear Embedding (LLE) is a nonlinear dimensionality reduction technique, which preserves the local geometry of high dimensional space performing an…”
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Pattern Recognition by Dinamic Feature Analysis Based on PCA by Valencia-Aguirre, Juliana, Daza Santacoloma, Genaro, Alvarez Mesa, Mauricio, Castellanos Domínguez, Germán

“…Usually, in pattern recognition problems we represent the observations by mean of measures on appropriate variables of data set, these measures can be…”
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Multi-channel low-cost light spectrum measurement using a multilayer perceptron by Botero-Valencia, J.-S., Valencia-Aguirre, J., Durmus, D., Davis, W.

“…•Light is one of the most important elements for residential and work spaces.•Measuring light source spectrum with spectrometers is expensive.•A low-cost…”
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Descripción del movimiento humano basado en el marco de Frenet Serret y datos tipo MOCAP by Hernandez-Gomez, Juan Camilo, Restrepo-Martínez, Alejandro, Valencia-Aguirre, Juliana

“…Clasificar el movimiento humano se ha convertido en una necesidad tecnológica, en donde para definir la posición de un sujeto requiere identificar el recorrido…”
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Global and local choice of the number of nearest neighbors in locally linear embedding by Álvarez-Meza, Andrés, Valencia-Aguirre, Juliana, Daza-Santacoloma, Genaro, Castellanos-Domínguez, Germán

“…► We propose a new method for automatically computing the number of neighbors in LLE. ► We analyze the global and local properties of the embedding results. ►…”
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Descripción del movimiento humano basado en el marco de Frenet Serret y datos tipo MOCAP by Juan Camilo Hernandez-Gomez, Alejandro Restrepo-Martínez, Juliana Valencia-Aguirre

“…Clasificar el movimiento humano se ha convertido en una necesidad tecnológica, en donde para definir la posición de un sujeto requiere identificar el recorrido…”
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Global and local choice of the number of nearest neighbors in locally linear embedding: Advances in Theory and Applications of Pattern Recognition, Image Processing and Computer Vision by ALVAREZ-MEZA, Andres, VALENCIA-AGUIRRE, Juliana, DAZA-SANTACOLOMA, Genaro, CASTELLANOS-DOMINGUEZ, German

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Silhouette classification by using manifold learning for automated threat detection by Carvajal-Gonzalez, Johanna P., Valencia-Aguirre, Juliana, Castellanos-Dominguez, German

“…Video surveillance systems have become an essential tool to enhance security in both public and private places, especially to prevent potentially dangerous…”
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Comparación de Métodos de Reducción de Dimensión Basados en Análisis por Localidades by Juliana Valencia-Aguirre, Genaro Daza-Santacoloma, Carlos D. Acosta, Germán Castellanos-Domínguez

“…In this paper, a comparison of methods for nonlinear dimensionality reduction is proposed in order to determine which technique preserves better the local…”
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Comparación de métodos de reducción de dimensión basados en análisis por localidades by Valencia-Aguirre, Juliana, Daza-Santacoloma, Genaro, Acosta, Carlos D., Castellanos-Domínguez, Germán

“…En este trabajo se realiza una comparación de las principales técnicas de reducción de dimensión no lineal basadas en análisis por localidades, tales como:…”
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Visualization and synthesis of data using manifold learning based on Locally Linear Embedding by Alvarez-Meza, A. M., Valencia-Aguirre, J., Daza-Santacoloma, G., Acosta-Medina, C. D., Castellanos-Dominguez, G.

“…In this paper we analyze high-dimensional data by means of the manifold learning algorithm Locally Linear Embedding. We employ this method to visually analyze…”
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