mirror of https://github.com/alibaba/EasyCV.git
yhq
GitHub
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"id": "846076f6-ac34-49c9-aaff-e82aecd6336d",
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"metadata": {},
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"source": [
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"1. 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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"1、 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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]
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},
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{
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@ -53,7 +53,7 @@
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"tags": []
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},
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"source": [
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"2. 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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"2、 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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]
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},
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{
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@ -96,7 +96,7 @@
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"tags": []
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},
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"source": [
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"3. 安装EasyCV算法包"
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"3、 安装EasyCV算法包"
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]
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},
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{
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@ -42,7 +42,7 @@
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"id": "c8280983-39b8-414d-a712-c40fd68dadfe",
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"metadata": {},
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"source": [
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"1. 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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"1、 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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]
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},
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{
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@ -66,7 +66,7 @@
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"tags": []
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},
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"source": [
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"2. 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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"2、 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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]
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},
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{
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@ -109,7 +109,7 @@
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"tags": []
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},
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"source": [
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"3. 安装EasyCV算法包"
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"3、 安装EasyCV算法包"
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]
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},
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{
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@ -132,7 +132,7 @@
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"tags": []
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},
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"source": [
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"4. 简单验证"
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"4、 简单验证"
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]
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},
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{
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@ -40,7 +40,7 @@
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"id": "8c5788b0-524b-4cf7-9628-aae6ac44f462",
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"metadata": {},
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"source": [
|
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"1. 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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"1、 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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]
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},
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{
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@ -64,7 +64,7 @@
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"tags": []
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},
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"source": [
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"2. 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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"2、 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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]
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},
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{
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@ -107,7 +107,7 @@
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"tags": []
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},
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"source": [
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"3. 安装EasyCV算法包"
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"3、 安装EasyCV算法包"
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]
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},
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{
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@ -130,7 +130,7 @@
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"tags": []
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},
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"source": [
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"4. 简单验证"
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"4、 简单验证"
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]
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},
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{
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@ -0,0 +1,361 @@
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{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "69debbc2-30e8-4390-805a-cb6ebad35f3f",
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"metadata": {
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"tags": []
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},
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"source": [
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"## EasyCV图像自监督训练-MAE\n",
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"本文将介绍如何利用EasyCV使用自监督算法[MAE](https://arxiv.org/pdf/2111.06377.pdf)进行图像自监督模型的训练\n",
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" \n"
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]
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},
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{
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"cell_type": "markdown",
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"id": "b9ef9614-cb63-487f-bafb-c62c90ae607b",
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"metadata": {},
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"source": [
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"## 运行环境要求\n",
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"\n",
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"PAI-Pytorch镜像 or 原生Pytorch1.5+以上环境 GPU机器， 内存32G以上"
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]
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},
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{
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"cell_type": "markdown",
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"id": "f855f736-c08a-44c2-b1c1-33a8e7043864",
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"metadata": {
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"tags": []
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},
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"source": [
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"## 安装依赖包\n",
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"\n",
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"注: 在PAI-DSW docker中无需安装相关依赖，可跳过此部分 在本地notebook环境中执行\n"
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]
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},
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{
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"cell_type": "markdown",
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"id": "43e60ee5-f52f-4045-bc69-4a123731a5a5",
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"metadata": {},
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"source": [
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"1、 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "f97b2295-4d67-4a83-8637-ecde48fa3001",
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"metadata": {},
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"outputs": [],
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"source": [
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"# install pytorch and torch vision\n",
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"! conda install --yes pytorch==1.10.0 torchvision==0.11.0 -c pytorch"
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]
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},
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{
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"cell_type": "markdown",
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"id": "ff3ed9f8-703d-416e-8b70-10a8ce029e8d",
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"metadata": {},
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"source": [
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"2、获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "c95571d5-3065-40b3-ad53-dc3063db8604",
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"metadata": {},
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"outputs": [],
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"source": [
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"import torch\n",
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"import os\n",
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"os.environ['CUDA']='cu' + torch.version.cuda.replace('.', '')\n",
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"os.environ['Torch']='torch'+torch.version.__version__.replace('+PAI', '')\n",
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"!echo \"cuda version: $CUDA\"\n",
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"!echo \"pytorch version: $Torch\""
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "ce3dca16-9baf-42f8-94c4-5ea7f087d61e",
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"metadata": {},
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"outputs": [],
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"source": [
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"# install some python deps\n",
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"! pip install mmcv-full==1.4.4 -f https://download.openmmlab.com/mmcv/dist/${CUDA}/${Torch}/index.html\n",
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"! pip install http://pai-vision-data-hz.oss-cn-zhangjiakou.aliyuncs.com/third_party/nvidia_dali_cuda100-0.25.0-1535750-py3-none-manylinux2014_x86_64.whl"
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]
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},
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{
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"cell_type": "markdown",
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"id": "3dee3a99-191a-4515-97dd-80841db43775",
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"metadata": {},
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"source": [
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"3、 安装EasyCV算法包"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "7f03f9e9-6029-4918-b8dc-533db9c7fae3",
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"metadata": {},
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"outputs": [],
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"source": [
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"pip install pai-easycv"
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]
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},
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{
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"cell_type": "markdown",
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"id": "3483904d-91dd-44c4-a486-246aa38d4124",
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"metadata": {},
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"source": [
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"4、 简单验证"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "4d382373-76a0-4fbc-b09f-5d082aab5104",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"from easycv.apis import *"
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]
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},
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{
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"cell_type": "markdown",
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"id": "29bb3d55-d00b-453b-9522-c686260e325c",
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"metadata": {},
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"source": [
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"## 数据准备\n",
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"\n",
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"自监督训练只需要提供无标注图片即可进行， 你可以下载[ImageNet](http://www.image-net.org/download-images) 数据，或者使用你自己的图片数据。需要提供一个包含若干图片的文件夹路径`p`，以及一个文件列表，文件列表中是每个图片相对图片目录`p`的路径\n",
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"\n",
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"图片文件夹结构示例如下, 文件夹路径为`./images`\n",
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"\n",
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"```shell\n",
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"images/\n",
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"├── 0001.jpg\n",
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"├── 0002.jpg\n",
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"├── 0003.jpg\n",
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"|...\n",
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"└── 9999.jpg\n",
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"```\n",
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"\n",
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"文件列表内容示例如下\n",
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"```text\n",
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"0001.jpg\n",
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"0002.jpg\n",
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"0003.jpg\n",
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"...\n",
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"9999.jpg\n",
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"```\n",
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"\n",
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"为了快速走通流程，我们也提供了一个小的示例数据集，执行如下命令下载解压"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "9492b324-17d9-4963-b7dd-a49f684c54c3",
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"metadata": {},
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"outputs": [],
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"source": [
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"! wget http://pai-vision-data-hz.oss-cn-zhangjiakou.aliyuncs.com/data/imagenet_raw_demo/imagenet_raw_demo.tar.gz && tar -zxf imagenet_raw_demo.tar.gz"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "5fdc9dc3-0886-493f-be5b-f858eff72164",
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"metadata": {},
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"outputs": [],
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"source": [
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"# 重命名文件夹\n",
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"! mv imagenet_raw_demo imagenet_raw"
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]
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},
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{
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"cell_type": "markdown",
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"id": "c9bd7101-3072-417c-ac54-5d7d254b31b4",
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"metadata": {},
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"source": [
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"## 模型训练\n",
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"\n",
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"这个Demo中我们采用[MAE](https://arxiv.org/pdf/2111.06377.pdf)自监督算法训练vit-base主干网络， 下载示例配置文件"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "ab669385-8525-4694-8388-148ba1c2753a",
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"metadata": {},
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"outputs": [],
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"source": [
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"! rm -rf mae_vit_base_patch16_8xb64_1600e.py\n",
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"! wget http://pai-vision-data-hz.oss-cn-zhangjiakou.aliyuncs.com/release/doc/easycv/configs/selfsup/mae/mae_vit_base_patch16_8xb64_1600e.py"
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]
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},
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{
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"cell_type": "markdown",
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"id": "2890d267-6b95-47e6-9b51-83402446fa7f",
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"metadata": {},
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"source": [
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"为了缩短训练时间，打开配置文件 `mae_vit_base_patch16_8xb64_1600e.py`，修改`total_epoch`参数为5， 每隔1次迭代打印一次日志。\n",
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"\n",
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"```python\n",
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"# runtime settings\n",
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"total_epochs = 5\n",
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"\n",
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"# log config\n",
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"log_config=dict(interval=1)\n",
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"```\n",
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"\n",
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"正式训练时，建议使用`多机8卡`或`单机8卡`配合该配置文件使用，修改update_interval参数进行梯度累积，确保有效batch_size一致"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "aaf88f46-a578-4dfc-a33f-afa0357f734a",
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"metadata": {},
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"outputs": [],
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"source": [
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"# 查看easycv安装位置\n",
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"import easycv\n",
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"print(easycv.__file__)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "d01f27fb-b373-4e88-9ac2-01bc35a2f5f2",
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"metadata": {},
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"outputs": [],
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"source": [
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"!python -m torch.distributed.launch --nproc_per_node=1 --master_port=29930 \\\n",
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"/home/pai/lib/python3.6/site-packages/easycv/tools/train.py mae_vit_base_patch16_8xb64_1600e.py --work_dir work_dir/selfsup/jpg/mae --launcher pytorch"
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]
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},
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{
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"cell_type": "markdown",
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"id": "e3aa0e8b-330c-45b2-be84-43f90260588c",
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"metadata": {},
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"source": [
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"## 模型导出\n",
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"对模型的字段进行修改,以便用于fintune任务"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "db2d0dbc-b04e-4244-803b-c03561006c5c",
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"metadata": {},
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"outputs": [],
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"source": [
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"import torch \n",
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"weight_path = 'work_dir/selfsup/jpg/mae/epoch_5.pth'\n",
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"state_dict = torch.load(weight_path)['state_dict']\n",
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"state_dict_out = {}\n",
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"for key in state_dict:\n",
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" state_dict_out[key.replace('encoder.','')] = state_dict[key]\n",
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"torch.save(state_dict_out,weight_path)"
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]
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},
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{
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"cell_type": "markdown",
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"id": "aad27bb4-e602-4d66-bba5-e379926559f3",
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"metadata": {},
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"source": [
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"## 使用自监督模型进行图像分类fintune\n",
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"下载分类任务示例配置文件"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "78dc417a-2c16-4d7b-a239-e150283e9cac",
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"metadata": {},
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"outputs": [],
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"source": [
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"! rm -rf mae_vit_base_patch16_8xb64_100e_lrdecay065_fintune.py\n",
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"! wget http://pai-vision-data-hz.oss-cn-zhangjiakou.aliyuncs.com/release/doc/easycv/configs/selfsup/mae/mae_vit_base_patch16_8xb64_100e_lrdecay065_fintune.py"
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]
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},
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{
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"cell_type": "markdown",
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"id": "8db1ffd1-6788-41f4-a422-2709903290ad",
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"metadata": {},
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"source": [
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"修改配置文件 `mae_vit_base_patch16_8xb64_1600e.py`，修改`model.pretrained`参数为`work_dir/selfsup/jpg/mae/epoch_5.pth`，为了缩短训练时间，修改`total_epoch`参数为5，每隔1次迭代打印一次日志。\n",
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"\n",
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"```python\n",
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"# runtime settings\n",
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"total_epochs = 5\n",
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"\n",
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"# log config\n",
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"log_config=dict(interval=1)\n",
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"\n",
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"# \n",
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"pretrained='work_dir/selfsup/jpg/mae/epoch_5.pth'\n",
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"```\n",
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"\n",
|
||||
"正式训练时，建议使用`多机8卡`或`单机8卡`配合该配置文件使用，修改update_interval参数进行梯度累积，确保有效batch_size一致"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"id": "68e72360-c054-4835-9643-ad0698a97d65",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"### 分类模型训练\n",
|
||||
"这里提供了单卡进行训练和验证集评估的命令"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"id": "defc60df-e8ca-4eac-9923-2cfb1f9fa7f1",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"!python -m torch.distributed.launch --nproc_per_node=1 --master_port=29930 \\\n",
|
||||
"/home/pai/lib/python3.6/site-packages/easycv/tools/train.py mae_vit_base_patch16_8xb64_100e_lrdecay065_fintune.py --work_dir work_dir/selfsup/jpg/mae --launcher pytorch"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"id": "fc43e194-d8e7-4796-af3a-1f64663b9744",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"### 预测\n",
|
||||
"参考EasyCV图像分类的demo，对训练好的模型导出并预测"
|
||||
]
|
||||
}
|
||||
],
|
||||
"metadata": {
|
||||
"kernelspec": {
|
||||
"display_name": "Python 3",
|
||||
"language": "python",
|
||||
"name": "python3"
|
||||
},
|
||||
"language_info": {
|
||||
"codemirror_mode": {
|
||||
"name": "ipython",
|
||||
"version": 3
|
||||
},
|
||||
"file_extension": ".py",
|
||||
"mimetype": "text/x-python",
|
||||
"name": "python",
|
||||
"nbconvert_exporter": "python",
|
||||
"pygments_lexer": "ipython3",
|
||||
"version": "3.6.12"
|
||||
}
|
||||
},
|
||||
"nbformat": 4,
|
||||
"nbformat_minor": 5
|
||||
}
|
||||
|
|
@ -39,7 +39,7 @@
|
|||
"id": "74565abe-f1d4-47b7-99f5-1e3ec9fda250",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"1. 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
|
||||
"1、 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
@ -63,7 +63,7 @@
|
|||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"2. 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
|
||||
"2、 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
@ -106,7 +106,7 @@
|
|||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"3. 安装EasyCV算法包"
|
||||
"3、 安装EasyCV算法包"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
@ -129,7 +129,7 @@
|
|||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"## 简单验证"
|
||||
"4、 简单验证"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@
|
|||
"id": "6e834aa3-682b-4975-8703-50ff00084219",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"1. 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
|
||||
"1、 首先，安装pytorch和对应版本的torchvision，支持Pytorch1.5.1以上版本"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
@ -63,7 +63,7 @@
|
|||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"2. 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
|
||||
"2、 获取torch和cuda版本，安装对应版本的mmcv和nvidia-dali"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
@ -106,7 +106,7 @@
|
|||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"3. 安装EasyCV算法包"
|
||||
"3、 安装EasyCV算法包"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
@ -129,7 +129,7 @@
|
|||
"tags": []
|
||||
},
|
||||
"source": [
|
||||
"## 简单验证"
|
||||
"4、 简单验证"
|
||||
]
|
||||
},
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue