基于openpose和图像分类的手语识别项目

Overview

手语识别


0、使用到的模型

(1). openpose,作者:CMU-Perceptual-Computing-Lab

https://github.com/CMU-Perceptual-Computing-Lab/openpose

(2). 图像分类classification,作者:Bubbliiiing

https://github.com/bubbliiiing/classification-pytorch

B站对应视频:https://www.bilibili.com/video/BV143411B7wg

(3). 手语教学视频,作者:二碳碳

https://www.bilibili.com/video/BV1XE41137LV

(感谢大佬们的开源项目和教程,都已star加三连)




1、大致思路

方法一: 将视频输入到openpose中,检测出关节点的变化轨迹,将轨迹绘制在一张图片上,把这张图片传到图像分类网络中检测属于哪个动作

视频  ----->  |  openpose  |-----> 关节点运动轨迹图-------> |  图像分类模型  | ----------> 单词分类  

方法二: 将视频输入到openpose中,检测出每一帧中关节点的位置,将多帧进行堆叠,形成一个三维张量,其中两个维度是图片的宽和高,一个维度是时间,然后对这个三维张量使用三维卷积进行训练和预测

视频  ----->  |  openpose  |-----> 多张关节点位置图 ---------> |  堆叠  | --------> 三维张量 -------> |  三维卷积网络  | ----------> 单词分类  



2、环境配置

python:3.7(其他版本会导致openpose无法运行,建议使用anaconda的python环境)
cuda:10
cudnn:7或8应该都行
(配置cuda和cudnn会比较麻烦,如果实在不想配,你可以去openpose的github网站下载使用cpu的版本,这里这个版本应该不支持cpu)


具体的配置环境方式:

(0).python和cuda和cudnn自己装


(1).下载文件

下载代码文件后,再从网盘下载模型和数据文件(没有这些跑不起来),网盘链接:

链接:https://pan.baidu.com/s/1Q2aVVhMhSfWL4qKS9QslkQ 
提取码:abcd 

将从github下载的文件夹和网盘下载的文件夹合并,然后就可以下一步了。 (当然你大可直接找我要u盘拿完整的文件)


(2).安装requirements.txt中的库

cmd进入环境后,cd到项目文件夹下,执行指令:

pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple

(3).安装torch和torchvision

先下载好torch(1.2.0)和torchvision(0.4.0)的whl文件,下载地址:

链接:https://pan.baidu.com/s/1QIuJfEE5qQFpXY8ZlHeLNQ 
提取码:abcd 

(当然你依旧可直接找我拿u盘)

下载好torch和torchvision的whl文件后,cmd进入环境,cd到下载文件夹下,执行指令:

pip install [torch或torchvision的whl文件的文件名]

(先装torch再装torchvision,不然有可能会报错)



3、测试运行openpose

项目文件夹下有三个文件:

test.py
test_video.py
test_video_track_point.py

分别对应openpose的功能:检测图片、检测视频、检测视频并绘制关节点轨迹
具体的使用方法可以看文件中的注释部分


在test_video_track_point.py中,取消掉最后几行的注释,就可以将绘制的轨迹图送到classification中去做分类检测
(不过现阶段分类器尚未做好)




4、classification的训练和使用

可以看下classification文件夹中的README.md文件,大佬已经在里边讲得很详细了

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