Which one does not belong to medical images:
A. MRI图像
B. CT图像
C. 超声多普勒图像 (Ultrasonic Doppler)
D. 紫外图像 (Ultraviolet image)
视频会议中用到的主要图像处理技术是:
A. image enhancement
B. image restoration
C. image segmentation
D. image encoding
Which one belongs to the research contents of digital image processing?
A. image encoding
B. image enhancement
C. image transform
D. image segmentation
The process of using a pattern of solid dots to simulate shades of gray is called ______ .