1) Non-ideal Iris
非理想虹膜
2) iris texture
虹膜纹理
1.
Directions of iris texture play an important role in iris recognition.
虹膜纹理的方向特征在虹膜识别中具有重要地位。
2.
This paper presents a novel iris texture features extraction algorithm based on zero spectral moment filters(ZSMF).
通过对零谱矩滤波器的研究,提出一种新的虹膜纹理特征提取算法,它利用平衡式零谱矩滤波器对预处理后的虹膜图像进行分解,以提取更准确的虹膜纹理特征。
3.
Iris recognition, an emerging biometric technology, which exploits the uniqueness of human iris texture, can accomplish automatic personal identification .
新出现的虹膜计算机识别技术利用人虹膜纹理的独特性 ,可以完成自动身份识别的任务 。
3) iris preprocessing
虹膜预处理
4) coding of iris texture
虹膜纹理编码
1.
Combined with the previous work of other researchers, a discussion is elaborately made on the key techniques concerning the capture of iris images, location of iris circle and coding of iris texture, and some improved and creative approaches to these problems are put forward.
在总结前人工作的基础上 ,就虹膜成像、虹膜区域定位、预处理机虹膜纹理编码等关键技术进行了讨论 ,给出了一些相关的改进及创新算法 ,实现了一套基于虹膜识别的身份认证系统 ,实验结果验证了工作的有效
5) iris image preprocessing
虹膜图像预处理
1.
To overcome the deficiencies of the existing recognition algorithms, this thesis has studied the iris image preprocessing and .
虹膜图像预处理是虹膜识别系统的基础和关键，预处理的好坏直接影响着下面的特征提取过程和匹配过程。
2.
In this paper, by systematic analysis and finishing the work of our predecessors on the iris recognition results obtained on the basis of iris image preprocessing, iris feature extraction and coding, pattern matching and classification of the three thematic design of the algorithm for iris recognition technology to do an in-depth research.
本文在系统地分析和整理前人对虹膜识别工作所获得的成果的基础上,就虹膜图像预处理、虹膜特征提取与编码对虹膜识别技术的算法做了深入研究。
6) iris texture clarity
虹膜纹理清晰度
1.
At the same time,evaluating indicators can be quantified with iris texture clarity and fine assessment of visibility.
根据图像总体清晰度和可见度的粗评估,可以快速而有效地剔除质量较差的图像,并利用虹膜纹理清晰度和可见度精评估来量化评价指标。
补充资料：非理
1.不合常理﹔违背情理。 2.谓不讲道理。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条