摘要(英) |
In era when the multimedia communication of digit is vigorous, the action communicator is everybody’’s indispensable article; even some people have many kinds of actions communicators at the same time. Some of the devices will have the functions of cameras and video cassette recorder by the way, the more top-grade action communicator can offer the better taking pictures and making video recording function, though ordinary action device can be offered, the quality of taking a picture and making video recording would not be very good.
This thesis wants to realize a mobile phone -like photography system, what we used is to compress H.264 image with better quality and compress the standard, battery on mobile phone capacity limited, for can be when the electric consumption of the battery drop, the recording film that can be intact too, so we put forward the design concept of one Power Aware, as consulting in accordance with the electric consumption of the battery of now, choose different electric ways of province to record and produce the film, recording film making us intact. Besides putting forward the design concept of Power Aware, we realize the whole system on a developing platform composed of ARM926EJS processor and FPGA of Xilinx Virtex5 220, the way to combine with the software and hardware realizes the power consumption image of whole adaptability compresses the system. We software improve, can improve 12 more than efficiency, effective materials arrange Cheng reducing waiting time of both sides of software and hardware, effective Power Aware design method, can carry out the corresponding electric way of province according to different capacitance.
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參考文獻 |
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