一、项目简介基于Matlab数字图像处理的指纹识别系统是一个综合性的解决方案。该系统在MATLAB环境下实现涵盖了从指纹图像预处理、特征提取到匹配算法的全过程还提供使用GUI进行指纹比对和管理指纹库的功能并且具备实时预警机制涉及图像处理工具箱、特征检测算法和事件驱动编程可用于学习和项目开发。二、部分源码function pushbutton2_Callback(hObject, eventdata, handles)% hObject handle to pushbutton2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global image1global thin1[thin1,bw]pre_process(image1);axes(handles.axes2);imshow(bw);title(二值化处理);set(handles.edit1,string,二值化处理);% --- Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)% hObject handle to pushbutton3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global thin1axes(handles.axes5);imshow(thin1);title(细化处理);set(handles.edit1,string,细化处理中);% --- Executes on button press in pushbutton4.function pushbutton4_Callback(hObject, eventdata, handles)% hObject handle to pushbutton4 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global thin1global txy1[txy1,count]point(thin1);for i1:count - 1x(i) txy1(i, 1);y(i) txy1(i, 2);endaxes(handles.axes6);imshow(thin1);title(特征提取);hold on;plot(x,y,bo);set(handles.edit1,string,特征提取);% --- Executes on button press in pushbutton5.function pushbutton5_Callback(hObject, eventdata, handles)% hObject handle to pushbutton5 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global txy1global thin1;global pxy31smooth_imgsmooth(thin1,txy1);txy1cut(smooth_img,txy1);axes(handles.axes6);imshow(smooth_img);title(光滑处理);hold on;plot(txy1(:,1),txy1(:,2),ro);[pxy31,error2]last1(thin1,8,txy1,60);set(handles.edit1,string,光滑处理);% --- Executes on button press in pushbutton6.function pushbutton6_Callback(hObject, eventdata, handles)% hObject handle to pushbutton6 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global image2[filename,pathname]uigetfile({*.tif;*.*},载入指纹);if isequal(filename,0)|isequal(pathname,0)errordlg(没有选中文件,出错);return;elsefile[pathname,filename];image2imread(file);show_image(image2,handles,3,指纹图象2);endset(handles.edit1,string,载入指纹图象2);% --- Executes on button press in pushbutton7.function pushbutton7_Callback(hObject, eventdata, handles)% hObject handle to pushbutton7 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global image2global thin2[thin2,bw]pre_process(image2);axes(handles.axes4);imshow(bw);title(二值化处理);set(handles.edit1,string,二值化处理);% --- Executes on button press in pushbutton8.function pushbutton8_Callback(hObject, eventdata, handles)% hObject handle to pushbutton8 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global thin2axes(handles.axes7);imshow(thin2);title(细化处理);set(handles.edit1,string,细化处理中);三、运行结果四、总结基于Matlab数字图像处理的指纹识别系统主要围绕图像预处理、特征提取、特征匹配等关键步骤展开以实现准确的指纹识别。系统先对原始指纹图像进行归一化与切割接着开展图像二值化与细化操作然后寻找中心点并提取特征点最后计算特征与数据库特征的欧氏距离选择最相似指纹图像并显示识别结果且可在数据库中增添指纹图像具有很好的识别效果。五、代码获取接matlab程序定制和论文设计方向如下图像处理语音识别图像识别目标检测深度学习神经网络强化学习机器学习通信系统信号处理时频分析小波降噪路径规划优化算法智能算法数据处理数学建模文献复现算法复现模型复现等程序包运行成功零基础的可以远程帮你运行赠送安装包。作为初学者遇见不会的问题是非常正常的事情具体代码仿真可通过主页 私信博主。