Version 1 - singular

heartrate/imageextract.m

@@ -3,8 +3,7 @@ v = VideoReader('code.avi');
 n = 1;
 while hasFrame(v)
     img = readFrame(v);
-    imgw= imwrite(img,strcat('image',num2str(n),'.png'));
-    imr = imread(imgw)
+    imwrite(img,strcat('image',num2str(n),'.png'));
     n = n+1
 end
 n=n-1;