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Modeling the optical transfer function in the imaging chain

机译:建模成像链中的光学传递函数

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摘要

Modeling the imaging chain has become a critical design tool to understand the relationship between design trades and image quality in camera systems. The mathematical models for the fundamental components of an imaging chain are well understood and have been validated using working camera systems. However, the complexity of camera designs continues to grow as the technology advances to drive higher performance using different approaches. The fundamental imaging chain models do not always meet the needs of the new imaging system designs, thus requiring the models to advance in complexity as well. Of particular interest to the optical designers is the development of mathematical models that enable more complex modeling of the wavefront errors for the optical transfer functions (OTF) in the image chain models. A tutorial on the imaging chain is given followed by an innovative approach using an η matrix for modeling the OTF in the imaging chain.
机译:对成像链进行建模已成为了解相机系统中设计交易与图像质量之间关系的重要设计工具。成像链的基本组成部分的数学模型已广为人知,并已使用有效的摄像系统进行了验证。但是,随着技术的发展,使用不同的方法来驱动更高的性能,相机设计的复杂性继续增长。基本的成像链模型并不总是满足新成像系统设计的需求,因此也要求模型的复杂性也不断提高。光学设计人员特别感兴趣的是数学模型的开发,该数学模型可以对像链模型中的光学传递函数(OTF)的波前误差进行更复杂的建模。给出了有关成像链的教程,然后是使用η矩阵对成像链中的OTF建模的创新方法。

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