Metadata-Version: 2.1
Name: resnest
Version: 0.0.6b20220323
Summary: ResNeSt
Home-page: https://github.com/zhanghang1989/ResNeSt
Author: Hang Zhang
Author-email: zhanghang0704@gmail.com
License: Apache-2.0
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        # ResNeSt
        Split-Attention Network, A New ResNet Variant. It significantly boosts the performance of downstream models such as Mask R-CNN, Cascade R-CNN and DeepLabV3.
        
        ![](./miscs/abstract.jpg)
        
        ### Table of Contents
        0. [Pretrained Models](#pretrained-models)
        0. [Transfer Learning Models](#transfer-learning-models)
        0. [Verify  ImageNet Results](#verify-imagenet-results)
        0. [How to Train](#how-to-train)
        0. [Reference](#reference)
        
        
        ### Pypi / GitHub Install
        
        0. Install this package repo, note that you only need to choose one of the options
        
        ```bash
        # using github url
        pip install git+https://github.com/zhanghang1989/ResNeSt
        
        # using pypi
        pip install resnest --pre
        ```
        
        ## Pretrained Models
        
        |             | crop size | PyTorch | Gluon |
        |-------------|-----------|---------|-------|
        | ResNeSt-50  | 224       | 81.03   | 81.04 |
        | ResNeSt-101 | 256       | 82.83   | 82.81 |
        | ResNeSt-200 | 320       | 83.84   | 83.88 |
        | ResNeSt-269 | 416       | 84.54   | 84.53 |
        
        - **3rd party implementations** are available: [Tensorflow](https://github.com/QiaoranC/tf_ResNeSt_RegNet_model), [Caffe](https://github.com/NetEase-GameAI/ResNeSt-caffe), [JAX](https://github.com/n2cholas/jax-resnet/).
        
        - Extra ablation study models are available in [link](./ablation.md)
        
        ### PyTorch Models
        
        - Load using Torch Hub
        
        ```python
        import torch
        # get list of models
        torch.hub.list('zhanghang1989/ResNeSt', force_reload=True)
        
        # load pretrained models, using ResNeSt-50 as an example
        net = torch.hub.load('zhanghang1989/ResNeSt', 'resnest50', pretrained=True)
        ```
        
        
        - Load using python package
        
        ```python
        # using ResNeSt-50 as an example
        from resnest.torch import resnest50
        net = resnest50(pretrained=True)
        ```
        
        
        ### Gluon Models
        
        - Load pretrained model:
        
        ```python
        # using ResNeSt-50 as an example
        from resnest.gluon import resnest50
        net = resnest50(pretrained=True)
        ```
        
        ## Transfer Learning Models
        
        ### Detectron2
        
        We provide a wrapper for training Detectron2 models with ResNeSt backbone at [d2](./d2). Training configs and pretrained models are released. See details in [d2](./d2).
        
        ### MMDetection
        
        The ResNeSt backbone has been adopted by [MMDetection](https://github.com/open-mmlab/mmdetection/tree/master/configs/resnest).
        
        ### Semantic Segmentation
        
        - PyTorch models and training: Please visit [PyTorch Encoding Toolkit](https://hangzhang.org/PyTorch-Encoding/model_zoo/segmentation.html).
        - Gluon models and training: Please visit [GluonCV Toolkit](https://gluon-cv.mxnet.io/model_zoo/segmentation.html#ade20k-dataset).
        
        
        ## Verify ImageNet Results:
        
        **Note:** the inference speed reported in the paper are tested using Gluon implementation with RecordIO data.
        
        ### Prepare ImageNet dataset:
        
        Here we use raw image data format for simplicity, please follow [GluonCV tutorial](https://gluon-cv.mxnet.io/build/examples_datasets/recordio.html) if you would like to use RecordIO format.
        
        ```bash
        cd scripts/dataset/
        # assuming you have downloaded the dataset in the current folder
        python prepare_imagenet.py --download-dir ./
        ```
        
        ### Torch Model
        
        ```bash
        # use resnest50 as an example
        cd scripts/torch/
        python verify.py --model resnest50 --crop-size 224
        ```
        
        ### Gluon Model
        
        ```bash
        # use resnest50 as an example
        cd scripts/gluon/
        python verify.py --model resnest50 --crop-size 224
        ```
        
        ## How to Train
        
        ### ImageNet Models
        
        - Training with MXNet Gluon: Please visit [Gluon folder](./scripts/gluon/).
        - Training with PyTorch: Please visit [PyTorch Encoding Toolkit](https://hangzhang.org/PyTorch-Encoding/model_zoo/imagenet.html) (slightly worse than Gluon implementation).
        
        ### Detectron Models
        
        For object detection and instance segmentation models, please visit our [detectron2-ResNeSt fork](https://github.com/zhanghang1989/detectron2-ResNeSt).
        
        ### Semantic Segmentation
        
        - Training with PyTorch: [Encoding Toolkit](https://hangzhang.org/PyTorch-Encoding/model_zoo/segmentation.html).
        - Training with MXNet: [GluonCV Toolkit](https://gluon-cv.mxnet.io/model_zoo/segmentation.html#ade20k-dataset).
        
        ## Reference
        
        **ResNeSt: Split-Attention Networks** [[arXiv](https://arxiv.org/pdf/2004.08955.pdf)]
        
        Hang Zhang, Chongruo Wu, Zhongyue Zhang, Yi Zhu, Zhi Zhang, Haibin Lin, Yue Sun, Tong He, Jonas Muller, R. Manmatha, Mu Li and Alex Smola
        
        ```
        @article{zhang2020resnest,
        title={ResNeSt: Split-Attention Networks},
        author={Zhang, Hang and Wu, Chongruo and Zhang, Zhongyue and Zhu, Yi and Zhang, Zhi and Lin, Haibin and Sun, Yue and He, Tong and Muller, Jonas and Manmatha, R. and Li, Mu and Smola, Alexander},
        journal={arXiv preprint arXiv:2004.08955},
        year={2020}
        }
        ```
        
        ### Major Contributors
        
        - ResNeSt Backbone ([Hang Zhang](https://hangzhang.org/))
        - Detectron Models ([Chongruo Wu](https://github.com/chongruo), [Zhongyue Zhang](http://zhongyuezhang.com/))
        - Semantic Segmentation ([Yi Zhu](https://sites.google.com/view/yizhu/home))
        - Distributed Training ([Haibin Lin](https://sites.google.com/view/haibinlin/))
        
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