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事前准备

liumiaocn:fast-neural-style liumiao$ th   ______             __   |  Torch7  /_  __/__  ________/ /   |  Scientific computing for Lua.   / / / _ \/ __/ __/ _ \  |  Type ? for help  /_/  \___/_/  \__/_//_/  |  https://github.com/torch                           |  http://torch.ch 	th>

步骤1: 下载图像风格迁移代码

执行 命令：git clone https://github.com/jcjohnson/fast-neural-style

liumiaocn:~ liumiao$ git clone https://github.com/jcjohnson/fast-neural-styleCloning into 'fast-neural-style'...remote: Enumerating objects: 3, done.remote: Counting objects: 100% (3/3), done.remote: Compressing objects: 100% (3/3), done.remote: Total 256 (delta 0), reused 0 (delta 0), pack-reused 253Receiving objects: 100% (256/256), 18.65 MiB | 7.14 MiB/s, done.Resolving deltas: 100% (109/109), done.liumiaocn:~ liumiao$

步骤2: 下载预先训练好的模型

liumiaocn:~ liumiao$ cd fast-neural-style/liumiaocn:fast-neural-style liumiao$ lsREADME.md		fast_neural_style.lua	print_options.lua	slow_neural_style.lua	webcam_demo.luadoc			images			requirements.txt	testfast_neural_style	models			scripts			train.lualiumiaocn:fast-neural-style liumiao$ sh models/download_style_transfer_models.sh  ...省略liumiaocn:fast-neural-style liumiao$ find models/ -name '*.t7'models//instance_norm/mosaic.t7models//instance_norm/candy.t7models//instance_norm/the_scream.t7models//instance_norm/feathers.t7models//instance_norm/la_muse.t7models//instance_norm/udnie.t7models//eccv16/starry_night.t7models//eccv16/la_muse.t7models//eccv16/composition_vii.t7models//eccv16/the_wave.t7liumiaocn:fast-neural-style liumiao$

注意：此步骤中下载脚本可能会下载失败，可以通过其他方式比如浏览器下载之后移动到相应位置即可。

结果验证

示例1: 黑猫警长

• 原始图片
  
• 执行命令：

liumiaocn:fast-neural-style liumiao$ th fast_neural_style.lua \>   -model models//eccv16/starry_night.t7 \>   -input_image liumiaocn.jpg \>   -output_image newstyle-liumiaocn.pngWriting output image to newstyle-liumiaocn.png	liumiaocn:fast-neural-style liumiao$

• 风格变换之后
  
  注：图像太小，拉伸后很诡异

示例2: 芝加哥

• 原始图片
  
• 执行命令

liumiaocn:fast-neural-style liumiao$ time -p th fast_neural_style.lua \>   -model models//eccv16/starry_night.t7 \>   -input_image city.jpg \>   -output_image newstyle-city.pngWriting output image to newstyle-city.png	real 7.60user 9.32sys 4.79liumiaocn:fast-neural-style liumiao$

• 风格变换之后
  

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