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Video Feedback Overview Video feedback is the process of pointing a camera at the screen displaying the camera's output. This creates a feedback loop of images infinitely repeating onto and over themselves creating interesting patterns. An initial curious result has become a studied phenomena that relates to other sciences such as cellular automata, reaction diffusion and non-linear dynamics. This page has information on simulating video feedback, examples of real video feedback and links to other websites with further information about video feedback. |
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Simulating video feedback Here are some results from attempting to simulate video feedback created with Visions Of Chaos. See SimulatingVideoFeedback.pdf for more details. This movie is a 7 minute compilation of the samples below. The source movie was rendered at DVD resolution and then converted to a 320x240 MPG for YouTube. This results in a more accurate representation of how the simulations look when run from a DVD player. The other samples below, rendered at 320x240, show a more "zoomed in" display of the simulations.
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Other attempts at simulating video feedback Eugene Donev - Spatio-Temporal Dynamics in Video Feedback University of Glasgow - Department of Physics & Astronomy - Optics Group - Fractal video feedback applet Simulation of video feedback - Michael Cramer Andersen and Jesper Petersen Dave Bollinger - Feedback applet Dimitre Lima - Feedback Synthesizer |
Examples of real video feedback
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Video Feedback related links Shawn Towne - Enhanced examples of video feedback Paul Prudence - Talysis. More samples here Tom Holroyd - Dr Tom's Video Feedback Gallery Chaim Goodman-Strauss - Fractal Feedback Peter Henry King - Video Feedback Fractal Genesis David Hagar - Video Fractals Jesper Petersen - Danish gallery of video feedback images Ole Hyldgaard - Danish gallery of video feedback images Harald Walker - MediaSculp drupel - Flickr gallery of video feedback psymon1962 - Flickr galery of long exposure video feedback Wikipedia - Optical feedback Michael Frame, Benoit Mandelbrot, and Nial Neger - Yale University's information on video feedback. Mike Hall - The blob sessions. Also see his Acoustically enhanced video feedback. Anja Franz - Oil paintings of video feedback Joel Cadman - Spinning Lights. Also see here for more videos. |
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Scientific papers relating to Video Feedback In depth and mathematical, but will be of interest to people who want a much more detailed description of video feedback. Space-Time Dynamics in Video Feedback James P. Crutchfield Spatio-Temporal Complexity in Nonlinear Image Processing James P. Crutchfield Nonlinear Dynamics of video feedback Timothy Burt and Michael G. Lagoudakis Farey sequences of spatiotemporal patterns in video feedback B. Essevaz-Roulet, P. Petitjeans, M. Rosen, and J. E. Wesfreid |
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Did I miss anything? If you know of any other websites or papers related to video feedback contact me. |