上篇文章谈到安装MatConvNet时遇到的问题(https://blog.youkuaiyun.com/w1301100424/article/details/80602145),这篇文章就运行MatConvNet官网上的例子时出现的问题和解决方法作简单描述。代码如下:
% Install and compile MatConvNet (needed once).
untar('http://www.vlfeat.org/matconvnet/download/matconvnet-1.0-beta25.tar.gz') ;
cd matconvnet-1.0-beta25
run matlab/vl_compilenn ;
% Download a pre-trained CNN from the web (needed once).
urlwrite(...
'http://www.vlfeat.org/matconvnet/models/imagenet-vgg-f.mat', ...
'imagenet-vgg-f.mat') ;
% Setup MatConvNet.
run matlab/vl_setupnn ;
% Load a model and upgrade it to MatConvNet current version.
net = load('imagenet-vgg-f.mat') ;
net = vl_simplenn_tidy(net) ;
% Obtain and preprocess an image.
im = imread('peppers.png') ;
im_ = single(im) ; % note: 255 range
im_ = imresize(im_, net.meta.normal