Image enhancement via calibrated lens simulation

摘要

The description relates to enhancing images. One device includes a lens configured to focus images on an image sensor. The device also includes point spread function (PSF) lens data relating to manufacturing specifications of the lens and a PSF measurement of the lens associated with a test image of a planar calibration pattern at a single depth of field.

主权项

1. A method performed by at least one computing device, the method comprising:
obtaining a lens model prescription of a lens model, wherein the lens model prescription addresses lens model aberrations associated with multiple different lenses of the lens model and the lens model prescription is associated with a simulated point spread function; obtaining a measured point spread function fitted to an individual lens of the lens model, wherein the measured point spread function addresses deviations in the individual lens of the lens model; calibrating the lens model prescription to the individual lens by comparing the measured point spread function to the simulated point spread function; and enhancing an image captured with the individual lens using the calibrated lens model prescription.