53 search results - page 2 / 11 » Determining Image Origin and Integrity Using Sensor Noise |
CVPR
2007
IEEE
14 years 6 months ago
2007
IEEE
In this paper, we introduce the Skellam distribution as a sensor noise model for CCD or CMOS cameras. This is derived from the Poisson distribution of photons that determine the s...
DDECS
2007
IEEE
13 years 5 months ago
2007
IEEE
—A Low noise and low power CMOS Image Sensor (CIS) with pixel-level Correlated Double Sampling (CDS) is proposed. As the pixel readout circuit using source follower is major read...
ICIP
2007
IEEE
14 years 6 months ago
2007
IEEE
Recently, `entry/exit' events of objects in the field-of-views of cameras were used to learn the topology of the camera network. The integration of object appearance was also...
BIBE
2008
IEEE
13 years 6 months ago
2008
IEEE
Five different texture methods are used to investigate their susceptibility to subtle noise occurring in lung tumor Computed Tomography (CT) images caused by acquisition and recons...
ICIP
2000
IEEE
14 years 6 months ago
2000
IEEE
In many Earth observation missions, a large amount of data is collected by the on-board sensors, and must be transmitted to ground through a channel with limited capacity; in this...