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[Docs] Add mmaction2 sphinx-doc link (#1541)
* add mmaction2 sphinx doc * consistent with other doc formats * change title * fix ci * add missing coreml sphinx doc
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# MMAction2 Deployment
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# MMAction2 Support
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- [MMAction2 Deployment](#mmaction2-deployment)
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- [Installation](#installation)
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- [Install mmaction2](#install-mmaction2)
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- [Install mmdeploy](#install-mmdeploy)
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- [Convert model](#convert-model)
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- [Convert video recognition model](#convert-video-recognition-model)
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- [Model specification](#model-specification)
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- [Model Inference](#model-inference)
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- [Backend model inference](#backend-model-inference)
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- [SDK model inference](#sdk-model-inference)
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- [Video recognition SDK model inference](#video-recognition-sdk-model-inference)
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- [Supported models](#supported-models)
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______________________________________________________________________
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[MMAction2](https://github.com/open-mmlab/mmaction2) is an open-source toolbox for video understanding based on PyTorch. It is a part of the [OpenMMLab](https://openmmlab.com) project.
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[MMAction2](https://github.com/open-mmlab/mmaction2) is an open-source toolbox for video understanding based on PyTorch. It is a part of the [OpenMMLab](https://openmmlab.com) project.
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## Installation
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## Install mmaction2
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### Install mmaction2
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Please follow the [installation guide](https://github.com/open-mmlab/mmaction2#installation) to install mmaction2.
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Please follow the [installation guide](https://github.com/open-mmlab/mmaction2#installation) to install mmaction2.
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### Install mmdeploy
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There are several methods to install mmdeploy, among which you can choose an appropriate one according to your target platform and device.
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**Method I：** Install precompiled package
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You can download the latest release package from [here](https://github.com/open-mmlab/mmdeploy/releases)
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**Method II：** Build using scripts
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If your target platform is **Ubuntu 18.04 or later version**, we encourage you to run
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[scripts](../01-how-to-build/build_from_script.md). For example, the following commands install mmdeploy as well as inference engine - `ONNX Runtime`.
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```shell
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git clone --recursive https://github.com/open-mmlab/mmdeploy.git
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cd mmdeploy
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python3 tools/scripts/build_ubuntu_x64_ort.py $(nproc)
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export PYTHONPATH=$(pwd)/build/lib:$PYTHONPATH
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export LD_LIBRARY_PATH=$(pwd)/../mmdeploy-dep/onnxruntime-linux-x64-1.8.1/lib/:$LD_LIBRARY_PATH
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```
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**Method III:** Build from source
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If neither **I** nor **II** meets your requirements, [building mmdeploy from source](../01-how-to-build/build_from_source.md) is the last option.
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## Convert model
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You can use [tools/deploy.py](https://github.com/open-mmlab/mmdeploy/blob/master/tools/deploy.py) to convert mmaction2 models to the specified backend models. Its detailed usage can be learned from [here](https://github.com/open-mmlab/mmdeploy/blob/master/docs/en/02-how-to-run/convert_model.md#usage).
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When using `tools/deploy.py`, it is crucial to specify the correct deployment config. We've already provided builtin deployment config [files](https://github.com/open-mmlab/mmdeploy/tree/master/configs/mmaction) of all supported backends for mmaction2, under which the config file path follows the pattern:
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```
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{task}/{task}_{backend}-{precision}_{static | dynamic}_{shape}.py
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```
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其中：
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- **{task}:** task in mmaction2.
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- **{backend}:** inference backend, such as onnxruntime, tensorrt, pplnn, ncnn, openvino, coreml etc.
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- **{precision}:** fp16, int8. When it's empty, it means fp32
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- **{static | dynamic}:** static shape or dynamic shape
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- **{shape}:** input shape or shape range of a model
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- **{2d/3d}:** model type
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In the next part，we will take `tsn` model from `video recognition` task as an example, showing how to convert them to onnx model that can be inferred by ONNX Runtime.
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### Convert video recognition model
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```shell
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cd mmdeploy
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# download tsn model from mmaction2 model zoo
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mim download mmaction2 --config tsn_r50_1x1x3_100e_kinetics400_rgb --dest .
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# convert mmaction2 model to onnxruntime model with dynamic shape
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python tools/deploy.py \
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configs/mmaction/video-recognition/video-recognition_onnxruntime_static.py \
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tsn_r50_1x1x3_100e_kinetics400_rgb.py \
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tsn_r50_256p_1x1x3_100e_kinetics400_rgb_20200725-22592236.pth \
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tests/data/arm_wrestling.mp4 \
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--work-dir mmdeploy_models/mmaction/tsn/ort \
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--device cpu \
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--show \
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--dump-info
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```
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## Model specification
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Before moving on to model inference chapter, let's know more about the converted model structure which is very important for model inference.
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The converted model locates in the working directory like `mmdeploy_models/mmaction/tsn/ort` in the previous example. It includes:
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```
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mmdeploy_models/mmaction/tsn/ort
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├── deploy.json
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├── detail.json
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├── end2end.onnx
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└── pipeline.json
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```
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in which,
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- **end2end.onnx**: backend model which can be inferred by ONNX Runtime
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- \***.json**: the necessary information for mmdeploy SDK
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The whole package **mmdeploy_models/mmaction/tsn/ort** is defined as **mmdeploy SDK model**, i.e., **mmdeploy SDK model** includes both backend model and inference meta information.
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## Model Inference
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### Backend model inference
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Take the previous converted `end2end.onnx` mode of `tsn` as an example, you can use the following code to inference the model and visualize the results.
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```python
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from mmdeploy.apis.utils import build_task_processor
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from mmdeploy.utils import get_input_shape, load_config
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import numpy as np
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import torch
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deploy_cfg = 'configs/mmaction/video-recognition/video-recognition_onnxruntime_static.py'
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model_cfg = 'tsn_r50_1x1x3_100e_kinetics400_rgb.py'
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device = 'cpu'
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backend_model = ['./mmdeploy_models/mmaction/tsn/ort/end2end.onnx']
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image = 'tests/data/arm_wrestling.mp4'
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# read deploy_cfg and model_cfg
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deploy_cfg, model_cfg = load_config(deploy_cfg, model_cfg)
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# build task and backend model
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task_processor = build_task_processor(model_cfg, deploy_cfg, device)
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model = task_processor.init_backend_model(backend_model)
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# process input image
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input_shape = get_input_shape(deploy_cfg)
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model_inputs, _ = task_processor.create_input(image, input_shape)
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# do model inference
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with torch.no_grad():
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result = task_processor.run_inference(model, model_inputs)
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# show top5-results
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result = np.array(result[0])
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top_index = np.argsort(result)[::-1]
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for i in range(5):
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index = top_index[i]
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print(index, result[index])
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```
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### SDK model inference
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Given the above SDK model of `tsn` you can also perform SDK model inference like following,
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#### Video recognition SDK model inference
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```python
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from mmdeploy_python import VideoRecognizer
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import cv2
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# refer to demo/python/video_recognition.py
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# def SampleFrames(cap, clip_len, frame_interval, num_clips):
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# ...
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cap = cv2.VideoCapture('tests/data/arm_wrestling.mp4')
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clips, info = SampleFrames(cap, 1, 1, 25)
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# create a recognizer
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recognizer = VideoRecognizer(model_path='./mmdeploy_models/mmaction/tsn/ort', device_name='cpu', device_id=0)
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# perform inference
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result = recognizer(clips, info)
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# show inference result
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for label_id, score in result:
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print(label_id, score)
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```
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Besides python API, mmdeploy SDK also provides other FFI (Foreign Function Interface), such as C, C++, C#, Java and so on. You can learn their usage from [demos](https://github.com/open-mmlab/mmdeploy/demo).
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> MMAction2 only API of c, c++ and python for now.
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## Supported models
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## Supported models
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| Model | TorchScript | ONNX Runtime | TensorRT | ncnn | PPLNN | OpenVINO |
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| Model | TorchScript | ONNX Runtime | TensorRT | ncnn | PPLNN | OpenVINO |
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@ -50,6 +50,7 @@ You can switch between Chinese and English documents in the lower-left corner of
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04-supported-codebases/mmpose.md
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04-supported-codebases/mmpose.md
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04-supported-codebases/mmdet3d.md
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04-supported-codebases/mmdet3d.md
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04-supported-codebases/mmrotate.md
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04-supported-codebases/mmrotate.md
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04-supported-codebases/mmaction2.md
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.. toctree::
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.. toctree::
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:maxdepth: 1
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:maxdepth: 1
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@ -63,6 +64,7 @@ You can switch between Chinese and English documents in the lower-left corner of
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05-supported-backends/tensorrt.md
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05-supported-backends/tensorrt.md
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05-supported-backends/torchscript.md
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05-supported-backends/torchscript.md
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05-supported-backends/rknn.md
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05-supported-backends/rknn.md
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05-supported-backends/coreml.md
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.. toctree::
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.. toctree::
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:maxdepth: 1
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:maxdepth: 1
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# MMAction2 模型部署
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# mmction2 模型支持列表
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- [MMAction2 模型部署](#mmaction2-模型部署)
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- [安装](#安装)
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- [安装 mmaction2](#安装-mmaction2)
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- [安装 mmdeploy](#安装-mmdeploy)
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- [模型转换](#模型转换)
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- [视频分类任务模型转换](#视频分类任务模型转换)
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- [模型规范](#模型规范)
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- [模型推理](#模型推理)
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- [后端模型推理](#后端模型推理)
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- [SDK 模型推理](#sdk-模型推理)
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- [视频分类 SDK 模型推理](#视频分类-sdk-模型推理)
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- [模型支持列表](#模型支持列表)
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______________________________________________________________________
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[MMAction2](https://github.com/open-mmlab/mmaction2)是一款基于 PyTorch 的视频理解开源工具箱，是[OpenMMLab](https://openmmlab.com)项目的成员之一。
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[MMAction2](https://github.com/open-mmlab/mmaction2)是一款基于 PyTorch 的视频理解开源工具箱，是[OpenMMLab](https://openmmlab.com)项目的成员之一。
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## 安装
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## 安装 mmaction2
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### 安装 mmaction2
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请参考[官网安装指南](https://github.com/open-mmlab/mmaction2#installation).
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请参考[官网安装指南](https://github.com/open-mmlab/mmaction2#installation).
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### 安装 mmdeploy
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mmdeploy 有以下几种安装方式:
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**方式一：** 安装预编译包
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通过此[链接](https://github.com/open-mmlab/mmdeploy/releases)获取最新的预编译包
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**方式二：** 一键式脚本安装
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如果部署平台是 **Ubuntu 18.04 及以上版本**， 请参考[脚本安装说明](../01-how-to-build/build_from_script.md)，完成安装过程。
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比如，以下命令可以安装 mmdeploy 以及配套的推理引擎——`ONNX Runtime`.
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```shell
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git clone --recursive https://github.com/open-mmlab/mmdeploy.git
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cd mmdeploy
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python3 tools/scripts/build_ubuntu_x64_ort.py $(nproc)
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export PYTHONPATH=$(pwd)/build/lib:$PYTHONPATH
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export LD_LIBRARY_PATH=$(pwd)/../mmdeploy-dep/onnxruntime-linux-x64-1.8.1/lib/:$LD_LIBRARY_PATH
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```
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**方式三：** 源码安装
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在方式一、二都满足不了的情况下，请参考[源码安装说明](../01-how-to-build/build_from_source.md) 安装 mmdeploy 以及所需推理引擎。
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## 模型转换
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你可以使用 [tools/deploy.py](https://github.com/open-mmlab/mmdeploy/blob/master/tools/deploy.py) 把 mmaction2 模型一键式转换为推理后端模型。
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该工具的详细使用说明请参考[这里](https://github.com/open-mmlab/mmdeploy/blob/master/docs/en/02-how-to-run/convert_model.md#usage).
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转换的关键之一是使用正确的配置文件。项目中已内置了各后端部署[配置文件](https://github.com/open-mmlab/mmdeploy/tree/master/configs/mmaction)。
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文件的命名模式是：
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```
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{task}/{task}_{backend}-{precision}_{static | dynamic}_{shape}.py
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```
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其中：
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- **{task}:** mmaction2 中的任务
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- **{backend}:** 推理后端名称。比如，onnxruntime、tensorrt、pplnn、ncnn、openvino、coreml 等等
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- **{precision}:** 推理精度。比如，fp16、int8。不填表示 fp32
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- **{static | dynamic}:** 动态、静态 shape
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- **{shape}:** 模型输入的 shape 或者 shape 范围
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- **{2d/3d}:** 表示模型的类别
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以下，我们将演示如何把视频分类任务中 `tsn` 模型转换为 onnx 模型。
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### 视频分类任务模型转换
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```shell
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cd mmdeploy
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# download tsn model from mmaction2 model zoo
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mim download mmaction2 --config tsn_r50_1x1x3_100e_kinetics400_rgb --dest .
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# convert mmaction2 model to onnxruntime model with dynamic shape
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python tools/deploy.py \
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configs/mmaction/video-recognition/video-recognition_onnxruntime_static.py \
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tsn_r50_1x1x3_100e_kinetics400_rgb.py \
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tsn_r50_256p_1x1x3_100e_kinetics400_rgb_20200725-22592236.pth \
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tests/data/arm_wrestling.mp4 \
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--work-dir mmdeploy_models/mmaction/tsn/ort \
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--device cpu \
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--show \
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--dump-info
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```
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## 模型规范
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在使用转换后的模型进行推理之前，有必要了解转换结果的结构。 它存放在 `--work-dir` 指定的路路径下。
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上例中的`mmdeploy_models/mmaction/tsn/ort`，结构如下：
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```
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mmdeploy_models/mmaction/tsn/ort
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├── deploy.json
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├── detail.json
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├── end2end.onnx
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└── pipeline.json
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```
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重要的是：
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- **end2end.onnx**: 推理引擎文件。可用 ONNX Runtime 推理
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- \***.json**: mmdeploy SDK 推理所需的 meta 信息
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整个文件夹被定义为**mmdeploy SDK model**。换言之，**mmdeploy SDK model**既包括推理引擎，也包括推理 meta 信息。
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## 模型推理
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### 后端模型推理
|
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|
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以上述模型转换后的 `end2end.onnx` 为例，你可以使用如下代码进行推理：
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|
||||||
|
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```python
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from mmdeploy.apis.utils import build_task_processor
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from mmdeploy.utils import get_input_shape, load_config
|
|
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import numpy as np
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import torch
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|
|
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deploy_cfg = 'configs/mmaction/video-recognition/video-recognition_onnxruntime_static.py'
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|
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model_cfg = 'tsn_r50_1x1x3_100e_kinetics400_rgb.py'
|
|
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device = 'cpu'
|
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backend_model = ['./mmdeploy_models/mmaction/tsn/ort/end2end.onnx']
|
|
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image = 'tests/data/arm_wrestling.mp4'
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|
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|
|
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# read deploy_cfg and model_cfg
|
|
||||||
deploy_cfg, model_cfg = load_config(deploy_cfg, model_cfg)
|
|
||||||
|
|
||||||
# build task and backend model
|
|
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task_processor = build_task_processor(model_cfg, deploy_cfg, device)
|
|
||||||
model = task_processor.init_backend_model(backend_model)
|
|
||||||
|
|
||||||
# process input image
|
|
||||||
input_shape = get_input_shape(deploy_cfg)
|
|
||||||
model_inputs, _ = task_processor.create_input(image, input_shape)
|
|
||||||
|
|
||||||
# do model inference
|
|
||||||
with torch.no_grad():
|
|
||||||
result = task_processor.run_inference(model, model_inputs)
|
|
||||||
|
|
||||||
# show top5-results
|
|
||||||
result = np.array(result[0])
|
|
||||||
top_index = np.argsort(result)[::-1]
|
|
||||||
for i in range(5):
|
|
||||||
index = top_index[i]
|
|
||||||
print(index, result[index])
|
|
||||||
```
|
|
||||||
|
|
||||||
### SDK 模型推理
|
|
||||||
|
|
||||||
你也可以参考如下代码，对 SDK model 进行推理：
|
|
||||||
|
|
||||||
#### 视频分类 SDK 模型推理
|
|
||||||
|
|
||||||
```python
|
|
||||||
from mmdeploy_python import VideoRecognizer
|
|
||||||
import cv2
|
|
||||||
|
|
||||||
# refer to demo/python/video_recognition.py
|
|
||||||
# def SampleFrames(cap, clip_len, frame_interval, num_clips):
|
|
||||||
# ...
|
|
||||||
|
|
||||||
cap = cv2.VideoCapture('tests/data/arm_wrestling.mp4')
|
|
||||||
|
|
||||||
clips, info = SampleFrames(cap, 1, 1, 25)
|
|
||||||
|
|
||||||
# create a recognizer
|
|
||||||
recognizer = VideoRecognizer(model_path='./mmdeploy_models/mmaction/tsn/ort', device_name='cpu', device_id=0)
|
|
||||||
# perform inference
|
|
||||||
result = recognizer(clips, info)
|
|
||||||
# show inference result
|
|
||||||
for label_id, score in result:
|
|
||||||
print(label_id, score)
|
|
||||||
```
|
|
||||||
|
|
||||||
除了python API，mmdeploy SDK 还提供了诸如 C、C++、C#、Java等多语言接口。
|
|
||||||
你可以参考[样例](https://github.com/open-mmlab/mmdeploy/tree/master/demo)学习其他语言接口的使用方法。
|
|
||||||
|
|
||||||
> mmaction2 的 C#，Java接口待开发
|
|
||||||
|
|
||||||
## 模型支持列表
|
## 模型支持列表
|
||||||
|
|
||||||
| Model | TorchScript | ONNX Runtime | TensorRT | ncnn | PPLNN | OpenVINO |
|
| Model | TorchScript | ONNX Runtime | TensorRT | ncnn | PPLNN | OpenVINO |
|
||||||
|
|||||||
@ -50,6 +50,7 @@
|
|||||||
04-supported-codebases/mmpose.md
|
04-supported-codebases/mmpose.md
|
||||||
04-supported-codebases/mmrotate.md
|
04-supported-codebases/mmrotate.md
|
||||||
04-supported-codebases/mmseg.md
|
04-supported-codebases/mmseg.md
|
||||||
|
04-supported-codebases/mmaction2.md
|
||||||
|
|
||||||
.. toctree::
|
.. toctree::
|
||||||
:maxdepth: 1
|
:maxdepth: 1
|
||||||
@ -63,6 +64,7 @@
|
|||||||
05-supported-backends/snpe.md
|
05-supported-backends/snpe.md
|
||||||
05-supported-backends/tensorrt.md
|
05-supported-backends/tensorrt.md
|
||||||
05-supported-backends/torchscript.md
|
05-supported-backends/torchscript.md
|
||||||
|
05-supported-backends/coreml.md
|
||||||
|
|
||||||
.. toctree::
|
.. toctree::
|
||||||
:maxdepth: 1
|
:maxdepth: 1
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user