【条形码识别】基于计算机视觉实现二维条形码识别含Matlab源码（基于matlab的二维码识别技术）

【条形码识别】基于计算机视觉实现二维条形码识别含Matlab源码（基于matlab的二维码识别技术）

1 简介

在信息时代的今天,随着计算机技术的发展,条形码作为一种简单、方便、廉价、高速的信息保存和传输技术,在世界各地应用广泛,是商品进入国际市场的通行证。 本论文的研究基于一种全新的购物理念,即无需排队等待收银员,只需要将选购的商品放入“自助购物系统”,便可自助购物买单。目前超市中广泛使用的条形码扫描器是基于光电识别原理制作的,虽然技术成熟、简单,但需收银员人工定位条形码区域,且对条形码质量要求严格,若条形码部分发生断裂、有污渍等现象,则不能正确识读条形码所携带的信息。更不能识读应用越来越广泛的二维条形码。而采用数字图像处理的方法,可首先改善图像质量,减少或消除由噪声、光照不均、图像模糊等带来的对条形码识读的影响,自动定位出条形码区域后再对其进行译码识别。采用图像处理的方法不仅能识读一维条码,也能识读二维条码。

2 部分代码

function varargout = untitled(varargin)% UNTITLED M-file for untitled.fig% UNTITLED, by itself, creates a new UNTITLED or raises the existing% singleton*.%% H = UNTITLED returns the handle to a new UNTITLED or the handle to% the existing singleton*.%% UNTITLED('CALLBACK',hObject,eventData,handles,...) calls the local% function named CALLBACK in UNTITLED.M with the given input arguments.%% UNTITLED('Property','Value',...) creates a new UNTITLED or raises the% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before untitled_OpeningFcn gets called. An% unrecognized property name or invalid value makes property application% stop. All inputs are passed to untitled_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 untitled% Last Modified by GUIDE v2.5 03-Nov-2011 13:59:22% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @untitled_OpeningFcn, ... 'gui_OutputFcn', @untitled_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{:});else gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before untitled is made visible.function untitled_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 untitled (see VARARGIN)% Choose default command line output for untitledhandles.output = hObject;image1=imread('D:\3 ★Matlab★\Matalb CSDN\【图像处理】\【图像识别】\【条形码识别】\【条形码识别】基于matlab GUI二维条形码识别【含Matlab源码 607期】\1.bmp');axes(handles.axes1);imshow(image1);% Update handles structureguidata(hObject, handles);% UIWAIT makes untitled wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = untitled_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 mouse press over axes background.% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject handle to pushbutton1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global im;axes(handles.axes1);imshow(im);% --- Executes during object creation, after setting all properties.function axes1_CreateFcn(hObject, eventdata, handles)% hObject handle to axes1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: place code in OpeningFcn to populate axes1

3 仿真结果

4 参考文献

[1]乔连芝. 基于图像处理方式定位识别条形码[D]. 华南理工大学, 2011.

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