cp ../A-UpBox2/A-UpBox2_20090302/A-UpBox2_20090302_000215.jpg A-DownBox1_20090302/A-DownBox1_20090302_000215.jpg I have copied /A-UpBox2/A-UpBox2_20090302/A-UpBox2_20090302_000215.jpg to this location A-DownBox1_20090302/A-DownBox1_20090302_000215.jpg to check if my algorithm finds out that it is a wrong picture There is a partial picture at A-DownBox1_20090310/A-DownBox1_20090310_125733.jpg again to check my algorithm