实现用SDRAM运行nios，同时用SRAM保存摄像头数据，主要为数据分析和统计，基于掌纹识别的在线身份验证 识别算法本科毕设。- Implemented with SDRAM run nios, while saving camera data SRAM, Mainly for data analysis and statistics, Verify recognition algorithm based on palmprint recognition undergraduate complete set of online identity.