H R BLACKWELL's scientific contributions

Citations

... Gray-scale inversion (GSI) is a post processing algorithm that has been reported to improve the detection of pulmonary nodules among radiologists 16,17 . It is theorized that the -photographic positive‖ presentations state improves contrast resolution by creating a dark nodule against a light background based on the optical physiology of the human eye 18 . GSI is quick and readily available in most picture and archiving communication system (PACS), typically requiring no post-processing by the user (Figure 1). ...