exif: {"Image ImageDescription": "Qtpfsgui 1.9.3 tonemapping parameters:\nOperator: Mantiuk\nParameters:\nContrast Mapping factor: 0.1\nSaturation Factor: 1.4 \nDetail Factor: 1.8 \n------\nPreGamma: 0.5", "Image Software": "Created with opensource tool Qtpfsgui, http://qtpfsgui.sourceforge.net", "Image ExifOffset": "286"}