【车道线检测】基于计算机视觉实现视频车道线检测含Matlab源码
1 简介
1)图像预处理：依次经过图像灰度变换、二值化、提取感兴趣的区域，最大可能的过滤掉干扰信息；
2)设置连通面积阈值，去除连通面积小的区域，进一步过滤干扰项；
3)求出车道线的直线方程，得到车辆在车道中的位置。
2 部分代码
function varargout = Main(varargin)% MAIN MATLAB code for Main.fig% MAIN, by itself, creates a new MAIN or raises the existing% singleton*.%% H = MAIN returns the handle to a new MAIN or the handle to% the existing singleton*.%% MAIN('CALLBACK',hObject,eventData,handles,...) calls the local% function named CALLBACK in MAIN.M with the given input arguments.%% MAIN('Property','Value',...) creates a new MAIN or raises the% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before Main_OpeningFcn gets called. An% unrecognized property name or invalid value makes property application% stop. All inputs are passed to Main_OpeningFcn via varargin.%% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one% instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help Main% Last Modified by GUIDE v2.5 06-May-2022 18:22:36% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @Main_OpeningFcn, ...'gui_OutputFcn', @Main_OutputFcn, ...'gui_LayoutFcn', [] , ...'gui_Callback', []);if nargin && ischar(varargin{1})gui_State.gui_Callback = str2func(varargin{1});endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});elsegui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before Main is made visible.function Main_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin command line arguments to Main (see VARARGIN)% Choose default command line output for Mainhandles.output = hObject;clc;warning('off')set(handles.pushbutton2,'enable','off');set(handles.pushbutton3,'enable','off');guidata(hObject, handles);% --- Outputs from this function are returned to the command line.function varargout = Main_OutputFcn(hObject, eventdata, handles)% varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;% --- Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)%% 按钮-关闭视频-global playplay = 0;% 清空重置显示屏cla(handles.axes1,'reset');set(handles.axes1,'Color',[1,1,1]);set(handles.axes1,'XTickLabel',[]);set(handles.axes1,'YTickLabel',[]);set(handles.axes1,'Box','on');function axes1_ButtonDownFcn(hObject, eventdata, handles)% hObject handle to axes1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)function edit_Scale_Callback(hObject, eventdata, handles)% hObject handle to edit_Scale (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit_Scale as text% str2double(get(hObject,'String')) returns contents of edit_Scale as a double% --- Executes during object creation, after setting all properties.function edit_Scale_CreateFcn(hObject, eventdata, handles)% hObject handle to edit_Scale (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endfunction edit3_Callback(hObject, eventdata, handles)% hObject handle to edit3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit3 as text% str2double(get(hObject,'String')) returns contents of edit3 as a double% --- Executes during object creation, after setting all properties.function edit3_CreateFcn(hObject, eventdata, handles)% hObject handle to edit3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endfunction edit2_Callback(hObject, eventdata, handles)% hObject handle to edit2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit2 as text% str2double(get(hObject,'String')) returns contents of edit2 as a double% --- Executes during object creation, after setting all properties.function edit2_CreateFcn(hObject, eventdata, handles)% hObject handle to edit2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');end
3 仿真结果
4 参考文献
[1]燕磬. 基于机器视觉的车道线识别技术研究[D]. 长沙理工大学.
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