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The common license plate recognition system should work with the PC, costing much. What’s more, it occupy large space, inconvenient to use outdoors. To solve these problems, this paper introduces a design of the license plate recognition system based on DSP and FPGA as the core. The FPGA control system is used to control the CMOS image sensor acquiring license plate image data, and data transmission to DSP of the format-conversed image. Then the DSP control the operation of the license plate location, character segmentation, license plate recognition, and display of the identification results in the LCD. The system uses CCS(Composer Studio Code) integrated development environment, using VC++ language programming to achieve the license plate recognition algorithm. The algorithm transplantation into the DSP is realized by the embedded machine vision library, and the results are displayed in the work window created in the LCD, with the advantage of fast detection speed and high correction rate. We can conclude from the experimental results that the design scheme of the license plate recognition system is accurate and reliable. And it successfully handled the problems listed in the beginning, achieve our design purpose.