Patent ID: 8280098
Filing Date: 2012-10-02
Classification: G06T,H01L,H04N

Abstract:
1. An imaging system, comprising: an active pixel sensor imaging array configured to capture an image, said imaging array being in electronic communication with a digitizer that digitizes an output of the imaging array; a discrete cosine transform circuit in electronic communication with said imaging array that generates coefficients for a block of said digitized array output; a quantizer circuit, in electronic communication with said discrete cosine transform circuit, that quantizes said coefficients; a watermark generating circuit for generating a digital watermark; a watermark embedder circuit, in electronic communication with said discrete cosine transform circuit and said watermark generating circuit that receives a transformed, quantized block of said digitized array output and said digital watermark and produces a watermarked image therefrom; and an entropy encoder circuit, in electronic communication with said watermark embedder, that receives and encodes said watermarked image, and produces a watermarked image file.