[IEEE 2016 9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI) - Datong, China (2016.10.15-2016.10.17)] 2016 9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI) - Image sharpness evaluation based on visual importance