image focusing

A simulative experimental instrument based on central split image focusing which is widely applied to single lens reflex camera is described.

新颖而经济的海鸥DF300M单镜头反光相机分析了普通单镜头反光照相机中心裂像调焦方法的原理，运用创新技法，设计一种模拟该方法调焦的实验仪。

Some key technologies and problem in system auto-focusing realization, such as system image preprocessing, focus strategy, focus point searching algorithm, the division of image focusing region, and the focus curve fitting, were researched and solved.

研究并解决了无热化设计效果检测仪系统自动调焦的实现中的一系列关键技术，包括聚焦位置的搜索算法、最佳调焦区域的划分、自动调焦策略和调焦曲线拟合等。

The three-dimensional image measurement is studied based on the image focusing method of auto-focusing technology.

以自动对焦技术中的图像对焦法为对象，研究基于图像对焦的三维影像测量。