A method is presented to calculate automatically the best graythreshold, which is suitable for images under different scanning resolutions.
提出一种灰度阈值自动计算方法，适合于自动计算不同扫描分辨率下的图像的最佳灰度阈值。
2
In this paper, the method for the optimal graythreshold is given, which is based on the maximum class separation distance criterion of pattern recognitive decision theory.
利用基于模式识别决策理论的最大类间距准则，给出了求解最佳分割灰度门限的方法。
3
The matching result can be used to estimate the maximum and minimum disparity, gray correlation threshold and some other parameters which play important roles in dense matching.