模式识别的原则与特征检测器的理论相关，而图象清晰的方法是采用马赫带（主观边缘对比效应）原理的结果。
The law of pattern recognition is interrelated to the theory of feature detectors. The method of graph clarity is the result of adopting the law of Mach band(subjective fringing contrast effect).
本文采用该算法训练人脸面部特征检测器，提取区域的几何中心进行面部特征点定位，获取以双眼和嘴巴为特征顶点的人脸特征三角形。
The thesis uses the method to train face feature classifier, to get the face feature points and build face feature triangle that uses eyes and mouth as vertexes.
当这些激发的原子回到基态时，会发射特征波长的能量。单色器可把这些波长引到检测器。
When these excited atoms return to the ground state, they will emit energy of a characteristic wavelength. The monochromator can direct these wavelengths to a detector.
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