根据这篇论文：《基于Ma tlab实现的指纹图像细节特征提取》 郭晶莹，[J]北京，计算机仿真 2007.1 写的程序。

完成了指纹的预处理 特征提取 指纹匹配 自带指纹数据库

实现指纹图像的预处理（包括指纹图像分割、增强、二值化、细化）指纹匹配 还有gui界面设计

ISO+IEC+19794 Minutia 生物数据交换国际标准-指纹特征点 2 Conformance 3 Normative references 4 Terms and definitions 5 Symbols and abbreviated terms 6 Minutiae Extraction 6.1 Principle 6.2 Minutia Type 6.3 Minutia Location 6.3.1 Coordinate System 6.3.2 Minutia Placement on a Ridge Ending (encoded as Valley Skeleton Bifurcation Point) 6.3.3 Minutia Placement on a Ridge Bifurcation (encoded as a Ridge Skeleton Bifurcation Point) 6.3.4 Minutia Placement on a Ridge Skeleton Endpoint 6.3.5 Minutia Placement on Other Minutia Types 6.4 Minutia Direction 6.4.1 Angle Conventions 6.4.2 Minutia Direction of a Ridge Ending (encoded as Valley Skeleton Bifurcation Point) 6.4.3 Minutia Direction of a Ridge Bifurcation (encoded as Ridge Skeleton Bifurcation Point) 6.4.4 Minutia Direction of a Ridge Skeleton End Point 6.5 Core and Delta Placement and Direction 6.6 Minutia Type Matching 6.7 Encoding of multibyte quantities 7 Finger Minutiae Record Format 7.1 Introduction 7.2 Record Organization 7.3 Record Header 7.3.1 Format Identifier 7.3.2 Version Number 7.3.3 Length of Record 7.3.4 Capture Equipment Certifications 7.4 Single Finger Record Format 7.4.1 Finger Header 7.4.2 Finger Minutiae Data 7.5 Extended Data 7.5.1 Common Extended Data Fields 7.5.2 Ridge Count Data Format 7.5.3 Core and Delta Data Format 7.5.4 Zonal Quality Data 7.6 Minutia Record Format Summary ......

数字图像处理的期末作业，matlab gui实现，对指纹图像进行特征点的抽取与编辑。附件内包含源程序、研究报告、使用说明及测试图例。 指纹特征点(端点、分叉点)的抽取包括指纹增强、细化、抽取及伪特征点的消除。 编辑过程是图形界面编程，包括手动的增加、删除、移动特征点，最后将特征点坐标保存至TXT文档。 程序的缺陷在于伪特征点去除方法不够好。另外注释不多，但较易看懂。