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。
As to the pseudo minutiae arised from fingerprint image preprocessing is difficult to eliminate, a fingerprint minutiae extraction method based on information fusion is proposed.
针对进行指纹图像预处理时产生的伪特征点难以消除的问题，提出了一种基于信息融合的指纹特征点提取方法。
The preprocessing in an automatic fingerprint identification system usually includes five steps: normalization, directional graph computation, image segmentation, filtering and binarization.
指纹预处理一般包括规格化、方向图计算、图像分割、滤波、二值化等环节，该文系统地讨论了各环节的有效算法。
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。
The experimental results show that the fingerprint preprocessing method to MBF200 fingerprint image is effective and helpful in distillation based on the detail characteristic fingerprint.
结果表明，所提出的指纹预处理方法对MBF200指纹图像的处理是行之有效的，有助于基于细节特征的指纹提取。
In the following parts it's emphasized to study the relationship and effect of fingerprint preprocessing and matching of the fingerprint image.
随后，论文分析了指纹采集质量对后续指纹预处理和匹配的重要关系与作用。
Automatic fingerprint identification system includes fingerprints collecting, image preprocessing, minutia points extracting and minutia points matching normally.
自动指纹识别一般包括指纹采集、图像预处理、特征提取、特征匹配等。
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。
However, there are still some challenging tasks further lucubrated in fingerprint recognition field, e. g. image acquisition, preprocessing of low quality images, and so on.
但是在指纹识别领域，仍然存在一些值得深入研究的问题，例如指纹图像的采集技术，低质量指纹图像的预处理等。
Fingerprint image enhancement has very important using in the preprocessing of the fingerprint image, it is directly restricting the recognition rate and speed of fingerprint recognition.
指纹图像增强在指纹图像预处理过程中有着非常重要的作用，直接影响指纹识别的识别率和识别速度。
The preprocessing flow is improved and quality evaluation of fingerprint image is introduced, which improve preprocessing efficiency.
对预处理流程进行了改进，通过将质量评估引入预处理减少了所需时间，提高了预处理效率。
Automatic fingerprint identification system includes fingerprint image acquisition, image preprocessing, minutia extraction and minutia matching.
自动指纹识别系统一般包括指纹图像采集，预处理，特征提取和比对。
Automatic fingerprint identification system includes fingerprint image acquisition, image preprocessing, minutia extraction and minutia matching.
自动指纹识别系统一般包括指纹图像采集，预处理，特征提取和比对。
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