Deconvolution for Defocused images
Methods for the deconvolution of defocused-image pairs recorded separately on two CCD cameras: application to particle sizing
D. Lebrun, C. E. Touil, and C. Özkul
Applied Optics, Vol. 35, Issue 32, pp. 6375-6381
http://www.opticsinfobase.org/abstract. ... 35-32-6375