我参考了一些经典的指纹增强算法，如非锐化掩模等。
I referred some classic algorithms on fingerprint enhancement, such as the fingerprint enhancement by the unsharp masking.
纹路间距是指纹的重要特征，经常用于指纹增强、纹路提取等过程中。
Inter-ridge distance is an important characteristic of fingerprint and is often used in fingerprint enhancement and ridge extraction procedures.
指纹增强的目的在于改善指纹图像的质量，以提高指纹识别系统的性能。
Fingerprint enhancement aims to improve fingerprint image quality, and enhance the performance of fingerprint recognition system.
指纹增强对于提高细节特征的准确率以及整个自动指纹识别系统的性能都有着十分重要的意义。
Fingerprint enhancement is important for improving the accuracy of minutia extraction, even for the total automated fingerprint identification system.
指纹图像的周期性和局部方向性是指纹图像的重要结构特征，充分利用这两个结构特征是提高指纹增强算法的重要方法。
Periods and local direction of fingerprint image are the important structure characters. The two characters of structure are important in the fingerprint enhancement.
实验表明该算法具有良好的增强指纹图像的脊线和抑制噪声的作用。
Experiment results indicate that the new algorithm has a higher ability to resist noises and to enhance quality of fingerprint image.
外界的猜测主要集中在常见类型的摄像头和处理器功能增强上，以及可能装有指纹传感器。
Much of the speculation there has centered on the usual kinds of camera and processor enhancements, as well as the likelihood of a fingerprint sensor.
针对指纹图像中的噪声干扰，提出一种基于指纹局部方向的指纹图像增强算法。
An algorithm based on the local direction of fingerprint is proposed to improve the quality of the fingerprint image in noise background.
根据密钥产生和管理过程的复杂性，为增强数字信息安全性，提出一种基于指纹的数字信息加密算法。
According to the complexity of key generation and management process, this paper presents an encryption algorithm based on fingerprint to enhance the security of the digital information.
实践表明，该方法能提高指纹图像增强的效果和速度。
Practice the enunciation, that method can increase the result that fingerprint image strengthen with speed.
指纹图像预处理的研究包含四个方面：图像分割、图像增强、二值化和细化。
In preprocessing of fingerprint image, four sides are discussed, including outline segmentation, filtering enhancement, segmentation binarization and thinning.
指纹图像的增强。
实验结果证明，指纹图象增强效果显著。
The results prove that the effect of fingerprint image enhancement is obvious.
实验结果表明该算法能有效地增强指纹图像，且具有较快的速度。
Experiments show that the algorithm can enhance fingerprint image effectively and fast.
其中图像预处理中的指纹图像增强是最关键的步骤，直接影响特征提取和匹配。
A critical step is the fingerprint enhancement that affects minutia extraction and minutia matching.
研究组在现场指纹的增强领域进行了深入的研究，并在国际顶级期刊PAMI及TIFS上发表了多篇文章。
Our group has made great progress in the enhancement of latent fingerprint area, and published several articles in PAMI and TIFS.
该文介绍了一种基于指纹线方向的指纹图像增强算法。
This paper introduces a fingerprint image enhancement algorithm based on fingerprint line orientation.
文章研究了目前的指纹图像增强算法，提出了一种新的指纹方向场的动态计算方法。
In this paper, we studied the algorithms of fingerprint image enhancement and put forward a new method to calculate the direction image.
提出了一种指纹图特征增强与去伪的分级算法。
An innovational hierarchy algorithm was presented to enhance and purify fingerprint features.
设计中采用了双节点上传指纹图像的方法，提高指纹图像的采集速度，从而减少验证时间，增强系统的可用度。
In the design, we adopt the method of transferring the fingerprint in double-points, to raise the speed of collecting the drawings, to reduce the verify time, to strengthen the usability.
实验结果表明，该算法在大大降低时间复杂度的同时，形成单像素连接的指纹二值图像，达到了增强、消噪、平滑、二值化、细化的目的，处理效果较好。
The experiment results showed that this algorithm formed single pixel edge of the fingerprint and achieved the effects of edge enhancement, noise cancellation, smooth, binarization and edge thinning …
指纹纹线检出大多是先按指纹方向图增强指纹图象，然后进行图象分割。
Most of the fingerprint detection is first to enhance a fingerprint image referring to the fingerprint orientation, then to segment the fingerprint image.
背部磨砂处理，减少了指纹和油污的粘附，保证视觉上的干净，同时增强了手持的触感，使产品不易从手上滑落。
Brushed back, reducing the adhesion of fingerprints and oil to ensure the visual clean, while enhancing the handhelds touch to make our products easy to slip from your hand.
其中图像预处理中的图像增强是最为关键的环节，直接影响着后面指纹图像的细化特征提取等处理。
A critical step is the fingerprint enhancement that affects the process of thinning and minutia extraction directly.
本文所做的正是指纹图像增强方面的一些研究。
This paper just studied and discussed the fingerprint image enhancement.
为减小噪声的影响，须在指纹识别预处理过程中对指纹进行优化，如进行指纹图像增强。
To reduce the noise influence on fingerprint identification pretreatment, the process of fingerprint image is need, such as fingerprints image enhancement.
重点研究图像的预处理增强算法和二值化算法，根据指纹图像的方向性信息求出方向图，并利用方向滤波器对原图像进行滤波去噪。
Enhancement and binarization algorithm are the emphases among them. According to fingerprint feature, orientation map is calculated, and image is denoised by orientation filters.
实验表明，本文提出的指纹图像增强算法对模糊，缺损的指纹图像有较好的增强效果。
The experiment indicated that these fingerprint enhancement methods which were introduced in this paper, could amend the mistiness fingerprint with a good impact.
预处理部分涉及到指纹有效区域的提取、指纹图的增强和指纹细化。
Fingerprint Preprocess includes Fingerprint Foreground Extraction, Image Enhancement and Thinning.
预处理部分涉及到指纹有效区域的提取、指纹图的增强和指纹细化。
Fingerprint Preprocess includes Fingerprint Foreground Extraction, Image Enhancement and Thinning.
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