其他的形态学特征也被认为与鸟类自恐龙演化的理论不一致。
Other morphological features have also been identified that are inconsistent with a bird-from-dinosaur theory.
首先，研究了数学形态滤波理论。介绍了数学形态学基本运算的算法和流程图。
Firstly, after studying the mathematical morphological theory, the basic arithmetic and flow chart of mathematical morphology are introduced.
本文用数学形态学的理论，提出了一种新的灰度图象边缘检测算法。
This paper applies mathematical morphology theory to present a new algorithm for grey scale image edge detection.
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