指纹图像细化算法的研究。
指纹图像的质量各有差异。
指纹图像细化后处理。
讨论了指纹图像分割。
指纹图像的增强。
文章主要阐述指纹图像自动无损提取的实现问题。
The article mainly elaborates the realization of automatic extraction of the fingerprint image without any damage.
该方法在指纹图像处理的应用中表明了它的有效性。
Its application to the processing of fingerprint images proves its validity.
指纹图像也降低了分辨率，除了起到说明外，无法做其他用途。
The fingerprint images have also been reduced in resolution so as to render them unusable except for illustration.
指纹图像的取像技术是指纹识别中的关键技术之一。
The capture of fingerprint images is one of the key techniques of fingerprint recognition.
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.
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.
实验结果表明，该方法对这种类型的指纹图像分割是有效的。
The experimental results show that the method for this type of fingerprint image segmentation is effective.
提出了一种传统的指纹图像分割算法——方差法的改进算法。
An improved algorithm of the traditional fingerprint image segmentation algorithm-variance method is proposed.
指纹图像分割指从图像背景中分离出有用的指纹区域的过程。
The task of fingerprint segmentation is to isolate the fingerprint area from the image background.
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.
另外，基于DCT变换提出了新的指纹图像分割算法和奇异点定位算法。
Furthermore, we extend the use of DCT, and give a new algorithm on image partition and singular points location.
通过对指纹图像进行预处理，为预处理后边的匹配、识别打下良好的基础。
It is good for the matching and recognition after the preprocessing on the fingerprint images.
在特征匹配阶段，通过对特征模板的旋转解决指纹图像的旋转不变性问题。
The rotating invariance of fingerprint images is solved by the rotating of feature models in feature matching.
采集指纹原始数据，建立了一个容量为4000枚指纹图像的指纹模板库。
In the fingerprint acquisition process, this paper built fingerprint image template database with 4000 images in it.
指纹采集仪采集的指纹图像质量对预处理及指纹识别的效率有很大的影响。
The efficiency that the dactylogram picture quality that dactylogram collects appearance identifies to pretreatment and dactylogram has very big effect.
指纹图像二值化是指纹细化处理的前提，是指纹识别预处理的一个重要部分。
Fingerprint image binarization, as one key step of fingerprint image preprocessing, is the precondition of fingerprint image thinning.
该方法将指纹图像的背景分为两层：外层黑色背景区域和内层浅色背景区域。
The method divides the background of fingerprint image into two layers: outboard black area and inboard tint area.
实验结果表明，使用改进的OPTA算法，指纹图像细化效果有明显的提高。
Experimental results indicate that the improved OPTA thinning algorithm is better in fingerprint image thinning.
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.
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.
指纹识别模块包括指纹图像的预处理，特征提取，分类，匹配以及指纹库的建立。
Fingerprint identification module includes the preprocessing of fingerprint, feature extraction, the classing of fingerprint as well as matching, the establishment of fingerprint storehouse.
用一个线程对多个文件进行批量处理，这是我处理指纹图像数据库时所用的小工具。
Use a thread to handle multiple files in bulk, this is my deal with the fingerprint image database used by the gadget.
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.
对OPTA算法进行了改进，将其应用在指纹图像细化中，并对其局限性进行了分析。
The OPTA thinning algorithm is improved and applied to image thinning, at the same time, its limitation is analyzed.
对OPTA算法进行了改进，将其应用在指纹图像细化中，并对其局限性进行了分析。
The OPTA thinning algorithm is improved and applied to image thinning, at the same time, its limitation is analyzed.
应用推荐