Test data for RAW high dynamic range merging

* the data contains a set of .CR2 raw images taken with a Canon 5D mark II<br> * the exposures where done on a tripod in manual mode, the EXIF information is correct<br> * only the exposure times were varied: IMG_7220.CR2<br> Exposure Time : 1<br> IMG_7221.CR2<br> Exposure Time : 1/5<br> IMG_7222.CR2<br> Exposure Time : 1/20<br> IMG_7223.CR2<br> Exposure Time : 1/80<br> IMG_7224.CR2<br> Exposure Time : 1/320<br> IMG_7225.CR2<br> Exposure Time : 1/1250 * Author: Ivo Ihrke, ~2011, Universität des Saarlandes / MPI Informatik