gusucode.com > 《MATLAB图像与视频处理实用案例详解》代码 > 《MATLAB图像与视频处理实用案例详解》代码/第 07 章 基于主成分分析的人脸二维码识别/QrDen.m
function res = QrDen(qr_im) if nargin < 1 load mtx.mat; qr_im = mtx; end zxingpath = fullfile(fileparts(mfilename('fullpath')), 'zxing_encrypt.jar'); javaaddpath(zxingpath); zxingpath = fullfile(pwd, 'zxing_decrypt.jar'); javaaddpath(zxingpath); qr_im = im2java(qr_im); width = qr_im.getWidth(); height = qr_im.getHeight(); source = com.google.zxing.client.j2se.BufferedImageLuminanceSource(qr_im.getBufferedImage()); binarizer = com.google.zxing.common.HybridBinarizer(source); bitmap = com.google.zxing.BinaryBitmap(binarizer); reader = com.google.zxing.MultiFormatReader(); res = char(reader.decode(bitmap));