景深延拓技术与相关性能分析

Focal Depth Extension System and Related Performance Analysis

景深是光学成像系统的一个重要技术指标,除了特写镜头,绝大部分光学系统都对景深延拓提出了不同程度的要求。景深延拓技术在光学系统中是非常重要的一项技术,本文通过归类介绍了目前景深延拓的相关技术,并就各类技术进行了对比分析。

The depth of field is an important technical specification of the optical imaging systems.Except the close-up,most optical systems need to extend the depth of field.The depth of field extension technology is a very important technology in the optical systems.This article introduces the present technologies of depth of field extension through the classification,contrasts and analyzes each kind of technologies.