Incorporates functions for image preprocessing, filtering and image recognition. The package takes advantage of 'RcppArmadillo' to speed up computationally intensive functions. The histogram of oriented gradients descriptor is a modification of the 'findHOGFeatures' function of the 'SimpleCV' computer vision platform, the average_hash(), dhash() and phash() functions are based on the 'ImageHash' python library. The Gabor Feature Extraction functions are based on 'Matlab' code of the paper, "CloudID: Trustworthy cloud-based and cross-enterprise biometric identification" by M. Haghighat, S. Zonouz, M. Abdel-Mottaleb, Expert Systems with Applications, vol. 42, no. 21, pp. 7905-7916, 2015, <doi:10.1016/j.eswa.2015.06.025>. The 'SLIC' and 'SLICO' superpixel algorithms were explained in detail in (i) "SLIC Superpixels Compared to State-of-the-art Superpixel Methods", Radhakrishna Achanta, Appu Shaji, Kevin Smith, Aurelien Lucchi, Pascal Fua, and Sabine Suesstrunk, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 34, num. 11, p. 2274-2282, May 2012, <doi:10.1109/TPAMI.2012.120> and (ii) "SLIC Superpixels", Radhakrishna Achanta, Appu Shaji, Kevin Smith, Aurelien Lucchi, Pascal Fua, and Sabine Suesstrunk, EPFL Technical Report no. 149300, June 2010.
Version: 1.3.0 Depends: R (≥ 3.2.3) Imports: Rcpp (≥ 0.12.17), graphics, grDevices, grid, shiny, jpeg, png, tiff, R6, lifecycle, tools LinkingTo: Rcpp, RcppArmadillo (≥ 0.8.0) Suggests: testthat, knitr, rmarkdown, covr Published: 2023-07-08 DOI: 10.32614/CRAN.package.OpenImageR Author: Lampros Mouselimis [aut, cre], Sight Machine [cph] (findHOGFeatures function of the SimpleCV computer vision platform), Johannes Buchner [cph] (average_hash, dhash and phash functions of the ImageHash python library), Mohammad Haghighat [cph] (Gabor Feature Extraction), Radhakrishna Achanta [cph] (Author of the C++ code of the SLIC and SLICO algorithms (for commercial use please contact the author)), Oleh Onyshchak [cph] (Author of the Python code of the WarpAffine function) Maintainer: Lampros Mouselimis <mouselimislampros at gmail.com> BugReports: https://github.com/mlampros/OpenImageR/issues License: GPL-3 Copyright: inst/COPYRIGHTSPlease use the canonical form https://CRAN.R-project.org/package=OpenImageR to link to this page.
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