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4795results about "Television system scanning details" patented technology

Super-resolution overlay in multi-projector displays

A technique, associated system and computer executable program code, for projecting a superimposed image onto a target display surface under observation of one or more cameras. A projective relationship between each projector being used and the target display surface is determined using a suitable calibration technique. A component image for each projector is then estimated using the information from the calibration, and represented in the frequency domain. Each component image is estimated by: Using the projective relationship, determine a set of sub-sampled, regionally shifted images, represented in the frequency domain; each component image is then composed of a respective set of the sub-sampled, regionally shifted images. In an optimization step, the difference between a sum of the component images and a frequency domain representation of a target image is minimized to produce a second, or subsequent, component image for each projector. Here, a second set of frequency domain coefficients for use in producing a frequency domain representation of the second component image for each projector is identified. Taking the inverse Fourier transform of the frequency domain representation of the second component image, converts the information into a spatial signal that is placed into the framebuffer of each component projector and projected therefrom to produce the superimposed image.
Owner:UNIV OF KENTUCKY RES FOUND

Personal broadcasting system for audio and video data using a wide area network

A system for transferring real time video information from a source device to one of a plurality of output devices includes an image capturing device for acquiring video information, the image capturing device comprising a processor, a graphics module coupled to the processor, a browsing device coupled to the processor, a packetizing portion coupled to the processor, the packetizing portion being adapted to convert the video information into a packetized stream of information, the packetized stream of information being in a first format, and an output device coupled to the processor for transferring the packetized stream of information to a network, a network gateway coupled to the image capturing device through the network, the network gateway being coupled to a worldwide network of computers, the network gateway comprising a gateway transcoding device for converting the packetized stream of information from the first format to a second format, the network gateway also comprising a packetizing portion for transferring the packetized stream of information in the second format to the network, and a display device coupled to the network gateway through the world wide network of computers, the display device comprising a display device for converting the packetized stream of information into video information for display, the display device also comprising a display for displaying the video information on the display device.
Owner:ADAPTIVE STREAMING INC
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