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we will be capturing image on hyperspectral camera and that image we want to send it over dvi,so how can i do it .?
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Probably the easiest way would be to connect the hyperspectral camera DVI output directly to the FPGA card DVI input and to not involve the PC at all in this process.
Interfacing the PC DVI output to the FPGA in a non-standard way (bypassing the operating system graphical user interface) is honestly more of a PC software question than an Altera FPGA question and you might have better luck researching that approach on a PC graphics card centric forum.