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face_recognize's Introduction

Reconhecimento facial

Projeto da faculdade.

Projeto escrito em Node.js, para reconhecer um rosto em uma imagem.

Como funciona

  • Ao iniciar o webservice, será disponibilizado a url para carregar a página Web
  • Ao carregar a página pela url http://localhost:3000, será pedido permissão para camera.
  • Assim que for autorizado a captura da imagem da camera a conexão com socket irá iniciar
  • A cada 1 segundo, 1 frame é enviado para o webservice
  • O Modelo treinado para reconhecer um rosto será carregado e irá verificar a imagem
  • O Webservice irá devolver a imagem com um retangulo ao redor da imagem
  • Será enviado uma notificação para o canal /ledON no servidor MQTT

Instalando o OpenCV

https://docs.opencv.org/trunk/d2/de6/tutorial_py_setup_in_ubuntu.html
https://www.pyimagesearch.com/2016/10/24/ubuntu-16-04-how-to-install-opencv/

Servidor MQTT

Para carregar o servidor em container do Docker, utilize o comando abaixo:

  • docker run -p 1883:1883 --name faculdade_mqtt eclipse-mosquitto

Dependências

  • sudo apt-get install -y build-essential cmake pkg-config
  • sudo apt-get install -y libjpeg8-dev libtiff5-dev libjasper-dev libpng12-dev
  • sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
  • sudo apt-get install -y libxvidcore-dev libx264-dev
  • sudo apt-get install -y libatlas-base-dev gfortran
  • sudo apt-get install -y wget git tree vim curl unzip zip tar gcc g++ make

Instalando a lib do OpenCV

    $ wget https://github.com/opencv/opencv/archive/3.4.1.zip
    $ mv 3.4.1.zip opencv.zip
    $ unzip opencv.zip
    $ cd opencv-3.4.1
    $ mkdir build && cd build
    $ cmake ../ && make
    $ sudo make install
    $ sudo ldconfig

Integrar com o NodeMCU

Problemas conhecidos

Problema 1

Erro no javascript

module.js:597
  return process.dlopen(module, path._makeLong(filename));
                 ^

Error: libopencv_video.so.3.4: cannot open shared object file: No such file or directory
    at Error (native)
    at Object.Module._extensions..node (module.js:597:18)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/home/maycon/projetos/Faculdade/Sistemas distribuidos/client/node_modules/opencv/lib/bindings.js:4:15)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)

Solução: Tenha certeza que a biblioteca do opencv esteja instalada na maquina. (passos OpenCV)

	$ rm -rf node_modules
	$ npm i
	$ npm rebuild

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