extraction n. 1.抽出,拔出。 2.【化学】提取(法);萃取(法);回收物,提出物;精炼。 3.精选,摘要。 4.血统,家世,出身。 5.【数学】开方,求根。 spirit of the first extraction 原汁酒。 a man of foreign extraction 外国(血统的)人。 extractions from a book 一本书的内容摘录。 an extraction of 81 percent 百分之八十一的出粉率,八一粉。 the extraction of root 【数学】开方法,求根法。
Algorithms on fingerprint feature extraction are studied in unit 4 . minutiae can be extracted using our template-matching algorithm . and minutiae extraction algorithm is robust 所使用的特征提取模板匹配算法能够准确地提取指纹图像的细节特征,并表现出较强的抗干扰性。
We proposed a singular point extraction algorithm based on multi-characters . it uses direction information, neighborhood information and human experience to find singular point 提出了一种基于多特征的奇异点提取算法,利用奇异点的方向信息和邻域特性以及经验知识寻找奇异点。
Compared with existing methods, our method employs the rich 2-d information of the iris structure, and it brings forward the optimized iris location and feature extraction algorithm 与现有的其它虹膜识别系统相比,该系统利用了二维虹膜图像丰富的纹理信息,并且提出了优化的虹膜定位和特征提取算法。
Based on study of gabor wavelet transformation based feature point extraction algorithm, a new feature point tracking scheme is designed, which has intelligent effects when tracking a set of feature points 以基于gabor变换的特征点提取方法为基础,提出了一套特征点的跟踪方案,力图使特征点的提取和跟踪算法取得更高的性能。
The algorithm was achieved by using vc + + 6.0 . experiment results show that features extraction algorithm can satiety real-tine and robust of driver smart monitor system and has high actual application value vc++6.0实现上述算法,结果表明本文的特征提取算法能满足驾驶员智能监控系统实际应用的实时性要求,具有较强的实用价值。
The work of the thesis included preprocessing algorithm, minutiae extraction algorithm, minutiae matching algorithm of the image of fingerprints, and the method of setting up fingerprint minutiae database 本文主要研究了指纹识别系统的算法实现,包括指纹图像预处理算法、特征提取算法、特征匹配算法以及建立指纹特征数据库的方法。
2 . a policy that that makes it more accurate step by step is adopted for corner detection, which effectively solve the problem that the illusive edge points caused by noise can ’ t be distinguished using the conventional edge extraction algorithm 2.采用逐步求精的策略进行角点检测,有效地解决了传统边缘提取算法中,无法区分因为噪声产生的虚假边缘点问题。
Regarding the characteristic of x-ray inspection images of carbon materials, defect extraction techniques are studied, for this purpose the target boundary extraction algorithm and the image enhancement algorithm based on wavelet are developed 摘要针对炭素材料x射线检测图像的特点,对其缺陷提取技术进行了研究,设计了目标边界提取算法和基于小波变换的图像增强算法。
Next, it expounds the design principle of feature extraction algorithm based on the rs and the method to put it into practice . finally, the paper summarizes the main achievements and deficiencies, and puts forward some problems to be researched 其次阐述了基于roughset的特征抽取算法的设计原理及实现方法;最后总结了本文的主要成果和不足,并提出了下一步的工作中仍需讨论的问题。
And a new pitch extraction algorithm, an active / inactive frame decision algorithm and a voiced / unvoiced frame decision algorithm are developed with the aims to improve the quality of the vocoder and reduce its overall computation load 本文引入了一种新的基音周期计算方法,静音帧判决算法,清音帧判决算法,清浊音信息接收端重建等新算法,提高了合成语音的质量,降低了算法的总计算量。