Abstract
The digital micro-mirror device (DMD) and its related techniques have been widely used in various projection equipments. The application of a high-resolution video display scheme based on the DMD is considered. The scheme has been implemented in hardware with a field programmable gate array (FPGA)-based platform, which organises and selects the visual data, and then feeds them into the micro-mirror chip for the projection display based on pulse width modulation (PWM). The proposed scheme divides the video frame into a set of blocks, and the arrays of digital mirrors in different blocks work in a sequential way, so that the needed bandwidth for transferring the image data can be reduced significantly without loss of visual quality.
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