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/QrGen.m
function outimg = QrGen(doctext, width, height) if nargin < 3 height = 400; end if nargin < 2 width = 400; end if nargin < 1 doctext = 'hello'; end if ~ischar(doctext) str = ''; for i = 1 : length(doctext) str = sprintf('%s %.1f', str, doctext(i)); end doctext = str; end zxingpath = fullfile(fileparts(mfilename('fullpath')), 'zxing_encrypt.jar'); c = onCleanup(@()javarmpath(zxingpath)); javaaddpath(zxingpath); writer = com.google.zxing.MultiFormatWriter(); bitmtx = writer.encode(doctext, com.google.zxing.BarcodeFormat.QR_CODE, ... width, height); outimg = char(bitmtx); clear bitmtx writer outimg(outimg==10) = []; outimg = reshape(outimg(1:2:end), width, height)'; outimg(outimg~='X') = 1; outimg(outimg=='X') = 0; outimg = double(outimg);