Fifthly, the design and realization of doorplate recognition system based on DM642 is presented, including program migration from PC to DSP, program optimization on DM642 platform.
第五，较系统地研究了基于DM 642的门牌号识别系统的设计与实现，具体包括从PC平台到DSP平台的移植，以及面向DM 642平台的程序优化等内容。
Finally, based on the DM642 hardware platform, we carry out memory allocation optimization, and put the functions which run frequently into the on-chip to improve running speed.
最后基于DM 642硬件平台，对存储器进行合理的分配，并把一些经常调用的函数放到片上运行，提高运行速度。
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