R/Symbols_c.R

In rNMF: Robust Nonnegative Matrix Factorization

#' 30 Images Containing 4 Different Symbols with Corruptions.
#' 
#' A 5625 by 30 matrix. Each column stores vectorized pixels of a 75 by 75 image. 
#' Every image contains one or more of four shapes: circle, square, triangle and cross. 
#' The pixel intensities are standarized to 0 to 1. Box corruptions are randomly added.
#' Run see(Symbols_c) to visualize.
#'  
#' @docType data
#' @keywords datasets
#' @format A 5625 by 30 numeric matrix.
#' @name Symbols_c
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