open source pkg v1

pkg/OpenFace/model_training/CCNF/CCRF/lib/getScaling.m

@@ -0,0 +1,28 @@
+function [ scaling ] = getScaling(  alphas, betas, x, y, masks, PrecalcQ2s, useIndicator)
+%getScaling Summary of this function goes here
+%   Detailed explanation goes here
+
+% for visualisation use only the first sequence
+nExamples = numel(x);
+
+scalings = zeros(1,nExamples);
+
+for q=1:nExamples
+     
+    mask = masks{q};
+    
+    PrecalcQ2 = PrecalcQ2s{q};
+    SigmaInv = CalcSigmaCCRF(alphas, betas, PrecalcQ2, mask, useIndicator);
+
+    
+    b = CalcbCCRF(alphas, x{q}, mask, useIndicator);
+    y_est = SigmaInv \ b;
+        
+    sc = std(y{q}) / std(y_est);
+    scalings(q) = sc;
+end
+ 
+scaling = mean(scalings);
+
+end
+