In this paper, we introduce tamper detection techniques based on artifacts created by Color Filter Array (CFA) processing in most digital cameras. The techniques are based on comp...
In video-conferencing, the participant watches the screen rather than the camera. This turns the gaze direction away from the other party and makes eye contact impossible. Artific...
Many applications in computer vision require comparisons
between two images of the same scene. Comparison
applications usually assume that corresponding regions in
the two image...
This paper addresses the problem of text extraction from name card images with fanciful design containing complicated color background and reverse contrast regions. The proposed m...
This paper proposes a novel method to detect flames in video by processing the data generated by an ordinary camera monitoring a scene. In addition to ordinary motion and color cl...