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https://github.com/wanglimin/Places205-VGGNet

Places205-VGGNet models for scene recognition
https://github.com/wanglimin/Places205-VGGNet

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Places205-VGGNet models for scene recognition

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# VGGNets for Scene Recognition

Here we release our trained VGGNet models on the large-scale Places205 dataset, called **Places205-VGGNet** models, from the following report:

http://arxiv.org/abs/1508.01667

Places205-VGGNet Models for Scene Recognition
Limin Wang, Sheng Guo, Weilin Huang, and Yu Qiao, in arXive 1508.01667, 2015

#### Performance on the Places205 dataset

| Model | top-1 val/test | top-5 val/test |
|:-------------------:|:--------------:|:--------------:|
| Places205-VGGNet-11 | 58.6/59.0 | 87.6/87.6 |
| Places205-VGGNet-13 | 60.2/60.1 | 88.1/88.5 |
| Places205-VGGNet-16 | 60.6/60.3 | 88.5/88.8 |
| Places205-VGGNet-19 | 61.3/61.2 | 88.8/89.3 |

We use 5 crops and their horizontal flippings of each image for testing.

#### Performance on the MIT67 and SUN397 dataset

| Model | MIT67 | SUN397 |
|:-------------------:|:-----:|:------:|
| Places205-VGGNet-11 | 82.0 | 65.3 |
| Places205-VGGNet-13 | 81.9 | 66.7 |
| Places205-VGGNet-16 | 81.2 | 66.9 |

We extract the fc6-layer features of our trained Places205-VGGNet models, which are further normalized by L2-norm.

#### Download
- Places205-VGGNet-11:

http://mmlab.siat.ac.cn/Places205-VGGNet/siat_scene_vgg_11.caffemodel
- Places205-VGGNet-13:

http://mmlab.siat.ac.cn/Places205-VGGNet/siat_scene_vgg_13.caffemodel
- Places205-VGGNet-16:

http://mmlab.siat.ac.cn/Places205-VGGNet/siat_scene_vgg_16.caffemodel
- Places205-VGGNet-19:

http://mmlab.siat.ac.cn/Places205-VGGNet/siat_scene_vgg_19.caffemodel
- Mean file:

http://mmlab.siat.ac.cn/Places205-VGGNet/places205_mean.mat

These models are relased for non-conmercial use. If you use these models in your research, thanks to cite our above report.

#### Multi-GPU Implementation

In order to speed up the training procedure of VGGNets, we use a Multi-GPU extension of Caffe toolbox:

https://github.com/yjxiong/caffe/tree/action_recog

Meanwhile, we add the strategies of _multi-scale cropping_ and _corner cropping_ provided by this extension, which has been proved to be effective for action recognition in videos.

#### Questions
Contact
- [Limin Wang](http://wanglimin.github.io/)
- [Sheng Guo] (mailto:[email protected])
- [Weilin Huang](http://www.wlhuang.com/)