Face Recognition Computers Can Now See Through A Disguise
A rapid but superior method for computerized face recognition could revolutionize security systems especially if it can see through disguises, according to research published in this month’s issue of the International Journal of Intelligent Systems Technologies and Applications.
Every face has special features that define that person, yet faces can also be very similar, explains Lin Huang, of Florida Atlantic University, in Boca Raton. That makes computerized face recognition for security and other applications an interesting but difficult task.
Face recognition software has been in development for many years. However, for biometric authentication at border crossings, for access to buildings, for automated banking, crime investigation, and other applications, has not yet become a mainstream application. The main technical limitation is although the systems are accurate they require a lot of computer power. (more…)
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Gap Narrows Between High-Resolution Video and Virtual Reality
Han Suk Kim, a UC San Diego computer science and engineering graduate student, has found a way to optimize virtual reality environments for high resolution video.
With their immersive 3D capabilities, virtual-reality environments (VEs) provide the kind of intense visual experience that two-dimensional digital televisions could never to live up to. But digital TVs outperform VEs in one important way: They can play high-resolution video in real-time without a hitch, while VEs have trouble rendering the data-heavy video clips at a constant frame rate.
University of California at San Diego grad student Han Suk Kim is trying to narrow that performance gap so that VEs can one day be used for high-resolution video conferencing, video surveillance or even in virtual movie theaters. Kim, a computer science and engineering Ph.D. student at the Jacobs School of Engineering, has developed an efficient “mipmap” algorithm that “shrinks” high-resolution video content so that it can be played interactively in VEs. He has also created several optimization solutions for sustaining a stable video playback frame rate, even when the video is projected onto non-rectangular VE screens. (more…)
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