Patent ID: 8009206
Filing Date: 2011-08-30
Classification: H04N

Abstract:
1. A method of adaptively controlling sensitivity, on a pixel-by-pixel basis, of a digital imager, comprising: (a) determining a number of pixels of image data having illumination intensity levels within a first defined range of illumination intensity levels; (b) determining an illumination intensity level mapping function based upon the determined number of pixels within the first defined range of illumination intensity levels; (c) determining a transfer control function based on the determined illumination intensity level mapping function; (d) imposing the determined transfer control function upon a pixel of the digital imager; (e) determining a number of pixels having illumination intensity levels within a second defined range of illumination intensity levels; and determining an integration time based upon the determined number of pixels having illumination intensity levels within a second defined range of illumination intensity levels; said determination of the transfer control function being determined based on the determined illumination intensity level mapping function and the determined integration time.