Patent ID: 6922209
Filing Date: 2005-07-26
Classification: H04N

Abstract:
1. An imaging apparatus comprising: first signal processing means including a first analog-to-digital converter for converting an analog image signal into a first digital signal for partitioning the level of the analog image signal into a plurality of sections, a gain selector for selecting a corresponding gain from a plurality of different gains according to each of the plurality of sections, and an amplifier for amplifying the analog image signal by the plurality of gains according to each of the plurality of sections, at least two of the sections having different corresponding gains; and second signal processing means including a second analog-to-digital converter for converting the analog image signal amplified by the plurality of different gains into a second digital signal, and a gamma corrector for non-linearly gamma-correcting the second digital signal according to each section of the plurality of sections on which the amplification of the analog image signal by the first signal processing means is based.