GBIM(Gesture-Based Interaction map)

Overview

GBIM

Python 3.6 PaddleX License

手势交互地图 GBIM(Gesture-Based Interaction map),基于视觉深度神经网络的交互地图,通过电脑摄像头观察使用者的手势变化,进而控制地图进行简单的交互。网络使用PaddleX提供的轻量级模型PPYOLO Tiny以及MobileNet V3 small,使得整个模型大小约10MB左右,即使在CPU下也能快速定位和识别手势。

手势

手势 交互 手势 交互 手势 交互
向上滑动 向左滑动 地图放大
手势 交互 手势 交互 手势 交互
向下滑动 向右滑动 地图缩小

进度安排

基础

  • 确认用于交互的手势。
  • 使用det_acq.py采集一些电脑摄像头拍摄的人手姿势数据。
  • 数据标注,训练手的目标检测模型
  • 捕获目标手,使用clas_acq.py获取手部图像进行标注,并用于训练手势分类模型。
  • 交互手势的检测与识别组合验证。
  • 打开百度地图网页版,进行模拟按键交互。
  • 组合功能,验证基本功能。

进阶

  • 将图像分类改为序列图像分类,提高手势识别的流畅度和准确度。
  • 重新采集和标注数据,调参训练模型。
  • 搭建可用于参数调节的地图。
  • 界面整合,整理及美化。

数据集 & 模型

手势检测

  • 数据集使用来自联想小新笔记本摄像头采集的数据,使用labelImg标注为VOC格式,共1011张。该数据集场景、环境和人物单一,仅作为测试使用,不提供数据集下载。数据组织参考PaddelX下的PascalVOC数据组织方式。
  • 模型使用超轻量级PPYOLO Tiny,模型大小小于4MB,随便训练了100轮后保留best_model作为测试模型,由于数据集和未调参训练的原因,当前默认识别效果较差

手势分类

  • 数据集使用来自联想小新笔记本摄像头采集的数据,通过手势检测模型提出出手图像,人工分为7类,分别为6种交互手势以及“其他”,共1102张。该数据集数量较少,手型及手势单一,仅作为测试使用,不提供数据集下载。数据组织形式如下:
dataset
	├-- Images
	|     ├-- up
	┆     ┆    └-- xxx.jpg
	|     └-- other
	┆          └-- xxx.jpg
	├-- labels.txt
	├-- train_list.txt
	└-- val_list.txt
  • 模型使用超轻量级MobileNet V3 small,模型大小小于7MB,由于数据量很小,随便训练了20轮后保留best_model作为测试模型,当前识别分类效果较差

模型文件上传使用LFS,下拉时注意需要安装LFS,参考LFS文档。后续将重新采集和标注更加多样的大量数据集,并采用更好的调参方法获得更加准确的识别模型

演示

手势识别

地图交互

*未显示Capture界面

使用

  1. 克隆当前项目到本地,按照requirements.txt安装所依赖的包opencv、paddlex以及pynput。PaddleX对应请安装最新版的PaddlePaddle,由于模型轻量,CPU版本足矣,参考下面代码,细节参考官方网站
python -m pip install paddlepaddle -i https://mirror.baidu.com/pypi/simple
  1. 进入demo.py,将浏览器路径修改为自己使用的浏览器路径:
web_path = '"D:/Twinkstar/Twinkstar Browser/twinkstar.exe"'  # 自己的浏览器路径
  1. 运行demo.py启动程序:
cd GBIM
python demo.py

常见问题及解决

  1. Q: 拉项目时卡住不动

    A:首先确认按照文档安装LFS。如果已经安装那极大可能是网络问题,可以等待一段时间,或先跳过LFS文件,再单独拉取,参考下面git代码:

    // 开启跳过无法clone的LFS文件
    git lfs install --skip-smudge 
    // clone当前项目
    git clone "current project" 
    // 进入当前项目,单独拉取LFS文件
    cd "current project" 
    git lfs pull 
    // 恢复LFS设置
    git lfs install --force
  2. Q:按q或者手势交互无效

    A:请注意当前鼠标点击的焦点,焦点在Capture,则接受q退出;焦点在浏览器,则交互结果将驱动浏览器中的地图进行变换。

  3. Q:安装PaddleX时报错,关于MV C++

    A:若在Windows下安装coco tool时报错,则可能缺少Microsoft Visual C++,可在微软官方下载网页进行下载安装后重启,即可解决。

  4. Q:运行未报错,但没有保存数据到本地

    A:请检查路径是否有中文,cv2.imwrite保存图像时不能有中文路径。

参考

  1. 玩腻了小游戏?Paddle手势识别玩转游戏玩出新花样!
  2. https://github.com/PaddlePaddle/PaddleX

交流与反馈

Email:[email protected]

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