private static FloatImage Compare(FloatImage currentImg, FloatImage oldImg, float thres, int cnt, string channel, MetriLog log)
{
if (null != oldImg)
{
FloatImage diff = oldImg - currentImg;
float sad = diff.Abs().Sum();
log.Debug("SAD = " + sad);
if (sad < thres)
{
log.ErrorFormat("Image {0}{1}: SAD ({2}) was below the threshold of {3}.", cnt, channel, sad, thres);
return(null);
}
}
oldImg = currentImg;
return(oldImg);
}
