A method for calibrating a projector display system , said projector display system comprising a light source , a controller , said controller receiving input image data and outputting control signals, a premod modulator receiving control signals from said controller and light from said light source, a blurring optical system receiving light from said premod modulator, and a primary modulator receiving control signals from said controller and light from said blurring optical system, the method comprising: receiving input image data ; computing a halftone image , wherein an upper bound halftone image and a lower bound halftone image are combined to form the halftone image; using the halftone image together with a light field model to compute a light field image , said light field model based on a Point Spread Function (PSF) model of said blurring optical system; computing a primary image for said primary modulator; displaying a screen image from said primary modulator; capturing said screen image with an image capture device; registering the captured screen image with a premod pixel grid of the premod modulator; comparing said registered captured screen image with said input image data; if there are differences greater than a desired amount, then computing a correction to said PSF model to provide an improved PSF model; and applying the improved PSF model for further calibration, wherein said computing a correction to said PSF model further comprises: dividing the registered screen image by the primary image to produce an estimated light field image; comparing the estimated light field image to the light field image; estimating a light field error ; and deconvolving the light field error estimate with the halftone image to calculate the PSF correction . receiving input image data ; computing a halftone image , wherein an upper bound halftone image and a lower bound halftone image are combined to form the halftone image; using the halftone image together with a light field model to compute a light field image , said light field model based on a Point Spread Function (PSF) model of said blurring optical system; computing a primary image for said primary modulator; displaying a screen image from said primary modulator; capturing said screen image with an image capture device; registering the captured screen image with a premod pixel grid of the premod modulator; comparing said registered captured screen image with said input image data; if there are differences greater than a desired amount, then computing a correction to said PSF model to provide an improved PSF model; and applying the improved PSF model for further calibration, wherein said computing a correction to said PSF model further comprises: dividing the registered screen image by the primary image to produce an estimated light field image; comparing the estimated light field image to the light field image; estimating a light field error ; and deconvolving the light field error estimate with the halftone image to calculate the PSF correction . dividing the registered screen image by the primary image to produce an estimated light field image; comparing the estimated light field image to the light field image; estimating a light field error ; and deconvolving the light field error estimate with the halftone image to calculate the PSF correction . <EOS>