Therefore, research of image thinning is important to improve the performance of fingerprint recognition system.
因此，研究图像细化对提高指纹识别系统的性能具有重要意义。
Experimental results indicate that the improved OPTA thinning algorithm is better in fingerprint image thinning.
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。
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。
This paper first brings forward a new approach for binary image thinning by using the pulse transmission attribute of PCNN.
该文首次提出了如何用PCNN的脉冲传播特性进行二值图像细化的新方法。
Fingerprint image binarization, as one key step of fingerprint image preprocessing, is the precondition of fingerprint image thinning.
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。
The method of image threshold, image filter, image dilation and image thinning that can be used to the pointer image procession is analyzed and studied.
分析并研究了可用于指针图像处理的图像分割、图像滤波及图像的膨胀细化等运算方法。
Image thinning is one of important preprocessing procedures for fingerprint images. Most of fingerprint recognition algorithm checks the special points by image thinning.
图像细化是指纹预处理技术中的一个重要环节，大多数指纹识别算法都是在细化图像上实现特征点的检测。
Now 71, with thinning, swept back hair, Iizuke clutches a picture of Taguchi, a laminated image of a woman with eyes closed in laughter, a broad smile spreading across a grainy face.
现年71岁的Iizuke将一头稀疏的头发梳在脑后，他紧紧抓着一张薄薄的照片，照片里的Taguchi大笑着闭上眼睛，模糊不清的脸上绽放出灿烂的笑容。
In preprocessing of fingerprint image, four sides are discussed, including outline segmentation, filtering enhancement, segmentation binarization and 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。
A proper method for the recognition of handprinted Chinese characters is presented here, without thinning the character image and smoothing it before hand.
本文提出一种手写印刷体汉字识别方法，使用该方法无需先对汉字进行细化和平滑处理。
An Angle value is obtained when the measured work piece image is processed by edge detection, thinning and Hough transformation.
通过对采集到的被测工件图像进行边缘检测、细化处理和霍夫变换，从而确定出其角度。
A new parallel thinning method based on image marking is proposed in this paper.
本文提出了一种基于图像标记的并行细化算法。
In some cases, the original images will produce cavities and breakpoints after, it needs to be processed by closing method in order to keep the connectivity of thinning image.
对于某些细化后会产生空洞、断点的原始图像，需要对细化后的图像运用闭运算进行填充以保持细化后图像的连通性。
According to the above analyses, a hybrid algorithm for image zooming based on stair thinning is proposed to decrease the artifacts.
根据上述分析，本论文提出了基于阶梯细化的图像放大算法。
In order to repair the seal character defect, we establish three benchmarks image to find the defect's location and repair it using thinning and expansion algorithm.
针对提取出的圆形印鉴印文缺损，本文建立了三个基准图像，运用形态学的细化算法及膨胀运算对其进行处理，找到缺损位置并进行补偿。
Binary and thinning is more important in fingerprint image pre-processing, this paper discussed the pros and cons of various thinning algorithms and through coding implemented these algorithms.
二值化和细化是指纹图像预处理阶段比较重要的环节，本文讨论了多种细化算法的优劣，并通过编码实现了这些算法。
The preprocessing steps include drawing scanning, binary image transforming, line thinning and cure tracing.
预处理包括图纸扫描输入、图象二值化、图象平滑与去噪、线条细化和曲线跟踪。
Fingerprint image pre-processing has five parts: filtration in gray-scale image, binarization, filtration in binary image, thinning and filtration in thinning image.
指纹图像的预处理又可以分为灰度图滤波去噪、二值化、二值化图像去噪、细化和细化后去噪五个部分。
After thinning, we get rid of the noises from the acquired skeleton image according to their configuration.
接下来使用细化模板对二值化图像进行细化，并针对细化图中各种噪声的拓扑结构将它们一一滤除。
New York image consultant Julie Rath advises her clients to get closely cropped when they start thinning up top.
纽约形象顾问朱莉-拉斯建议客户在头发开始稀疏的时候就把头发剪成寸头。
This algorithm effectively solves contradiction between space and time about thinning image and speeds thinning image.
时空矛盾，提高了大幅图像的细化速度。
This paper analyse the image enhancement, the binarization, the noise abatement, the thinning, the normalization and the feature extraction on the handwritten digit recognition.
本文首先对手写数字图像的图像灰度化、二值化、去噪、细化、归一化、特征提取等预处理过程进行分析；
The charge-mass ratio can be measured expediently by multiple image averaging, fringe thinning and sample analyzing.
通过多图像平均，图像细化，取样分析，快速方便地测量计算了电子的荷质比。
Thinning binary images is an important process in image analysis.
两值图象的细化是图象分析的重要环节。
The first one is improper image pre-processing, such as segmentation, normalization and thinning, which lose the features of letters relationship and strokes.
其一是图像预处理方法不当，在字符切分、大小归一化、倾斜校正以及签名图像的细线化时会丢失签名特征。
Image preprocessing is usually consisted of following steps: quality assessment, mean filtering, gray normalization, gray equalization, the Oriental filtering, binarization as well as thinning.
指纹预处理一般包括以下几个步骤：图像质量评估、均值滤波、灰度归一化、灰度均衡化、方向滤波、二值化以及细线化。
In this paper, the coherence cube technology and graph thinning technology of image processing are introduced.
简要介绍了相干体技术和细线化技术。
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.
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。
应用推荐