At last, the appraisal of iris image quality on the iris recognition system is discussed in the paper.
最后，在虹膜识别系统上进行虹膜图像质量的评价工作。
In the system of iris recognition, iris localization and iris image quality assessment are very critical.
虹膜定位以及质量评估是虹膜识别系统中的关键步骤。
Iris image quality evaluation is an important step of iris recognition, because the image quality is crucial to recognition effect.
虹膜图像质量评估是虹膜识别系统中的关键步骤，图像质量的好坏将直接影响后续识别结果的准确性。
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。
Results show that proposed means achieves quite high accuracy, which is efficient for boosting up adaptability to image quality and improving iris recognition performance.
结果表明：本方法能提高识别准确率、增强算法对采集图像质量要求的适应性，改善了虹膜识别系统的性能。
The quality of iris image is the key point to affect the accuracy of iris recognition system.
虹膜图像质量是影响虹膜识别系统精度的关键。
The quality of iris image is the key point to affect the accuracy of iris recognition system.
虹膜图像质量是影响虹膜识别系统精度的关键。
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