# Fatima Kahil

- How to use a tilted edge in an imaging target to characterize the MTF of the telescope
- How to compute the Exit pupil size of a telescope?
- How to estimate the amount of defocus between two images
- How to use the rectangular grid to estimate the geometrical distortion in the image plane of a telescope
- How to use the circular grid calibration target to estimate the geometrical distortion in the image plane of a telescope
- How to use the Siemens Star calibration Target to obtain the MTF of an optical system
- How to do phase correlation to estimate the geometrical shifts between two images?
- How to restore an initial scence using deconvolution
- How to use Zernike coefficients to introduce some optical aberrations
- From wavefront aberrations to Point Spread Function (PSF) to Modulation Transfer Function (MTF)