When compared to existing image intensity deviation and gradient evaluation functions, the algorithm proposed has the characteristics of unimodality, sharpness and precision. Besides it is simple and uses less time relatively to complete the algorithm using computer language.
同传统的图像灰度方差和梯度评价函数相比,本评价函数具有更好的单峰性、尖锐性和准确性。
参考来源 - 基于USB2.0的高分辨率视频采集系统设计·2,447,543篇论文数据，部分数据来源于NoteExpress
我们又用基回数考察了图的色多项式，验证了某些图类的色多项式的单峰性。
We also investigate chromatic polymial of graph by its cyclomatie number, and verify unimodality of chromatic polymial of some graph.
利用近轴几何光学模型推导出焦距标度，这些焦距标度都具有良好的单调性和单峰性。
The focus measures are drived from the paraxial geometric optics model. All these focus measures have good monotonicity and unimodality.
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