@inproceedings{chen2013histogram, title={Histogram Processing-based Image Enhancement of Digital Radiography for Detection of Cardiac Calcification}, author={Chen, Xiang and Jin, Jie and Fei, Baowei}, booktitle={World Congress on Medical Physics and Biomedical Engineering May 26-31, 2012, Beijing, China}, pages={939--942}, year={2013}, organization={Springer} }