嵌入式虹膜图像采集及预处理[电子设计网] Key words: embedded system；device drivers；iris image sampling；DMA；PPI [gap=180]关键词：嵌入式系统；设备驱动程序；虹膜图像采集；DMA；PPI
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The researches are mainly focused on the improvement of iris sampling equipment, iris localization, the quality evaluation of iris image, live detection, coding and test statistic.
本文主要讨论了对虹膜采集装置的改进、定位、图像质量评定、活体检测和编码以及测试统计。
A rapid iris localization algorithm based on image sampling was proposed.
提出了一种基于图像抽样的快速虹膜定位算法。
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