Thumbnail

Tiny Yolo2

by Synthiam

Object detection is fundemental to computer vision: Recognize what the objects are inside the robot camera and also where they are in the image.

Requires ARC v13 (Updated 11/26/2023)

How to add the Tiny Yolo2 robot skill

  1. Load the most recent release of ARC (Get ARC).
  2. Press the Project tab from the top menu bar in ARC.
  3. Press Add Robot Skill from the button ribbon bar in ARC.
  4. Choose the Camera category tab.
  5. Press the Tiny Yolo2 icon to add the robot skill to your project.

Don't have a robot yet?

Follow the Getting Started Guide to build a robot and use the Tiny Yolo2 robot skill.


How to use the Tiny Yolo2 robot skill

Object detection is fundamental to computer vision: Recognize the objects inside the robot camera and where they are in the image. This robot skill attaches to the Camera Device robot skill to obtain the video feed for detection.

Demo

Directions

  1. Add a Camera Device robot skill to the project

  2. Add this robot skill to the project. Check the robot skill's log view to ensure the robot skill has loaded the model correctly.

  3. START the camera device robot skill, so it displays a video stream

  4. By default, the TinyYolo skill will not detect objects actively. Check the "Active" checkbox to begin processing the camera video data stream.

  5. Detected objects use the Camera Device robot skill features. The tracking On Tracking Start script will execute when objects are detected, and $CameraObject_____ variables will be populated. Check the Camera Device robot skill page for a list of camera variables.

Camera Device Integration

This robot skill integrates with the camera device by using the tracking features. If the servo tracking is enabled, this robot skill will move the servos. This is an extension of the camera robot skill. The On Tracking Start script will execute, and camera device variables will be populated when tracking objects.

Performance

In HD webcam resolution, Tiny Yolo is processing 30+ FPS with 38% CPU, sometimes more, depending on the processor of your PC.

User-inserted image

Variables

The detected objects are stored in global variables in the array provided by the camera robot skill. The number of detected objects determines the size of the array. The detected object's location, confidence, and name are all stored in variables. Detected objects use the Camera Device robot skill features. The tracking On Tracking Start script will execute when objects are detected, and $CameraObject_____ variables will be populated. Check the Camera Device robot skill page for a list of camera variables.

User-inserted image

Trained Objects

Tiny Yolo robot skill includes an ONNX model with 20 trained objects. They are... "aeroplane", "bicycle", "bird", "boat", "bottle", "bus", "car", "cat", "chair", "cow", "diningtable", "dog", "horse", "motorbike", "person", "pottedplant", "sheep", "sofa", "train", "tvmonitor"

The ImageNetData is trained with the image resolution of 416x416 because it uses the TINY model. Regular-sized models are trained at 608x608.

ToDo

  • control commands for starting, stopping
  • ability to specify custom training model files

ARC Pro

Upgrade to ARC Pro

Stay on the cutting edge of robotics with ARC Pro, guaranteeing that your robot is always ahead of the game.

#9  

This looks interesting will give it a try!

PRO
USA
#10   — Edited

I tried it again, only can see "a person" , thinks my iPhone in a tv-monitor,   :-)

Also the box that pops up is to the left of the  "person" it sees -  the person is not in the box

Will keep trying

#11  

V8 not working for me. I get this message and no scrolling of detected items.

User-inserted image

PRO
Synthiam
#12  

You'll have to press the ACTIVE button - and an active camera will need to be running. You can see the instructions in video above:)

#13  

I do have an active camera running and the ACTIVE button is depressed as in the pic above. Followed the vid to a T. That is all I ever see in the plugin. I do notice in the variable watcher that it is detecting and the variable changes when it detects me or something else, but the plugin never changes.

PRO
USA
#14  

DJ

I tried it again, only can see "a person" , thinks my iPhone in a tv-monitor, :-)

Also the box that pops up is to the left of the "person" it sees - the person is not in the box

PRO
Synthiam
#15   — Edited

Fixed the boxes around the detected objects

Perry, the plugin doesn't change or display anything. The objects detected are in the camera view and the variable manager. They're not in the display of the plugin. Would it help if they were also listed in the plugin display for you to see in there as well?

PRO
Synthiam
#16  

Perry, I added a DEBUG checkbox that will display debug information in the plugin of detected objects as i think that's what you'd like to see? The detected object will also be highlighted in the camera device