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dora/examples/python-operator-dataflow
Philipp Oppermann c70aa21d45
Python example: Print number of received image and bounding box messages 		2 years ago
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README.md

Python Dataflow Example

This examples shows how to create and connect dora operators and custom nodes in Python.

Overview

The dataflow.yml defines a simple dataflow graph with the following three nodes:

  • a webcam node, that connects to your webcam and feed the dataflow with webcam frame as jpeg compressed bytearray.
  • an object detection node, that apply Yolo v5 on the webcam image. The model is imported from Pytorch Hub. The output is the bouding box of each object detected, the confidence and the class. You can have more info here: https://pytorch.org/hub/ultralytics_yolov5/
  • a window plotting node, that will retrieve the webcam image and the Yolov5 bounding box and join the two together.

Getting started

cargo run --example python-dataflow

Installation

To install, you should run the install.sh script.

install.sh

Run the dataflow as a standalone

  • Start the dora-coordinator, passing the paths to the dataflow file and the dora-runtime as arguments:
../../target/release/dora-coordinator --run-dataflow dataflow.yml ../../target/release/dora-runtime
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DORA (Dataflow-Oriented Robotic Architecture) is middleware designed to streamline and simplify the creation of AI-based robotic applications. It offers low latency, composable, and distributed datafl

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