PhotoMetrix UVC

Gilson Augusto Helfer

Aug 18, 2019

4.4 MB
Taille de fichier
Android 4.0+
Android OS

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À propos de PhotoMetrix UVC

Analyse colorimétrique sur des appareils mobiles utilisant une caméra vidéo USB

Using USB Video Camera this app employs Single Linear Correlation technics for univariate analysis, Principal Component Analysis (PCA) and HCA for multivariate exploratory analysis and Partial Least Squares (PLS) form multivariate analysis. The image data are acquired using the device main camera and converted in RGB histograms. In addition, apart color channels of RGB, HSV, HSL and HSI systems are used during the univariate and multivariate processes. It is possible to send by e-mail the image data, analysis data and charts. In order to validate the obtained results, the same sets of data were tested using Microsoft Excel© and ChemoStat©. The results in both applications coincided in various combinations.

This app calculates: eigenvalues, eigenvectors, scores, loadings, latent variable, RMSEP, REMSEC using Singular Value Decomposition in Multivariate Analysis.

Also calculates: slope (span), intercept (off-set) and regression (Pearson product-moment correlation coefficient) in Univariate Calibration Analysis.

Also available in iOS and Windows Phone.

http://dx.doi.org/10.5935/0103-5053.20160182