The main features of the system are piecewise linear grayleveltransformation, slope angle adjustment, mapping and normalization, feature distilling.
本系统主要特征是分段线性灰度变换、斜度调整、射归一、征提取。
2
The experiment results show that the system can realize infrared image grayleveltransformation, suppress background and upgrade target in a certain extent.
实验结果表明，该系统能很好地实现红外图形灰度变换，并在一定程度上抑制了背景，提升了目标。
3
The general theories of gray correction methods for the medical ultrasonic image are introduced in this paper, including graylevel correction, grayleveltransformation and histogram correction.