Title :
CMOS image sensor with watermarking capabilities
Author :
Nelson, G.R. ; Jullien, G.A. ; Yadid-Pecht, O.
Author_Institution :
Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada
Abstract :
The problem of authenticity for digital images has been helped by the development of digital watermarking. As an extension of the current state-of-the-art, a CMOS active pixel sensor (APS) imager with built-in watermarking of the output image is presented. A method for generation of watermarks specific to each chip is presented as well as simulations showing the effectiveness of the watermarking algorithm. The layout was designed in TSMC´s 0.18 μm 1.8/3.3 V process and circuit simulations indicate performance as expected.
Keywords :
CMOS image sensors; image coding; integrated circuit design; integrated circuit layout; watermarking; 0.18 micron; 1.8 to 3.3 V; CMOS image sensor; active pixel sensor; digital image authenticity; digital watermarking; layout design; CMOS image sensors; Circuit simulation; Digital cameras; Image sensors; Image storage; Sensor arrays; Sensor phenomena and characterization; Streaming media; Very large scale integration; Watermarking;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1465838
