Integrating lens design with digital camera simulation

Patrick Y. Maeda; Peter B. Catrysse; Brian A. Wandell

doi:10.1117/12.588153

23 February 2005 Integrating lens design with digital camera simulation

Patrick Y. Maeda, Peter B. Catrysse, Brian A. Wandell

Proceedings Volume 5678, Digital Photography; (2005) https://doi.org/10.1117/12.588153
Event: Electronic Imaging 2005, 2005, San Jose, California, United States

Abstract

We describe a method for integrating information from lens design into image system simulation tools. By coordinating these tools, image system designers can visualize the consequences of altering lens parameters. We describe the critical computational issues we addressed in converting lens design calculations into a format that could be used to model image information as it flows through the imaging pipeline from capture to display. The lens design software calculates information about relative illumination, geometrical distortion, and the wavelength and field height dependent optical point spread functions (PSF). These data are read by the image systems simulation tool, and they are used to transform the multispectral input radiance into a multispectral irradiance image at the sensor. Because the optical characteristics of lenses frequently vary significantly across the image field, the process is not shift-invariant. Hence, the method is computationally intense and includes a number of parameters and methods designed to reduce artifacts that can arise in shift-variant filtering. The predicted sensor irradiance image includes the effects of geometric distortion, relative illumination, vignetting, pupil aberrations, as well as the blurring effects of monochromatic and chromatic aberrations, and diffraction.

Citation Download Citation

Patrick Y. Maeda, Peter B. Catrysse, and Brian A. Wandell "Integrating lens design with digital camera simulation", Proc. SPIE 5678, Digital Photography, (23 February 2005); https://doi.org/10.1117/12.588153

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