able to extract RBG data from csv for a single frame

normalization.m

@@ -0,0 +1,22 @@
+pkg load io %% to be able to extract from external format (excel)
+
+data = xlsread('RGB_data_monfront.xlsx')
+standard_deviation = std(data)
+mean_value = mean(data)
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%For all the colors
+%%for j = 1:3
+%%  for i = 1:size(data,1)
+%%    normalized_data(i,j) = (data(i,j)-mean_value(j))/standard_deviation(j);
+%%  endfor
+%%endfor
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+for i = 1:size(data,1)
+  normalized_data_G(i,1) = (data(i,2)-mean_value(2))/standard_deviation(2); %%2 and not 1 because green is the 2nd color
+endfor
+
+fft_green = fft(normalized_data_G)
+
+plot([1:size(fft_green,1)],fft_green)