Image Enhancement image enhancement 5 Humans 4 human 4 diagnostic imaging 3 procedures 3 Imaging, Three-Dimensional 2 comparative study 2 diagnostic accuracy 2 sensitivity and specificity 2 3-D imaging 1 3D Model 1 Aged 1 Angiography 1 Angular compounding 1 Animals 1 Arteriovenous Shunt, Surgical 1 Arteriovenous fistula 1 Arteriovenous fistulas 1 Article 1 B scan 1 Blue laser imaging 1 Blue light imaging 1 Cardiac Surgical Procedures 1 Colorectal Neoplasms 1 Colorectal neoplasms 1 Contrast Media 1 Contrast enhanced ultrasound 1 Contrast-to-tissue ratio 1 Coronary Vessels 1