Blob Tracking

In this below video, I ran a few algorithms in tandem. First, I removed all non-red objects. Next, I blurred the video a bit to make blobs more connected. Then, using blob detection, I only kept the blob that had the most pixels (the largest red object). This removed background objects such as the fire extinguisher. Lastly, I did center of mass to track the actual location of the object. I also ran a population threshold algorithm that made the object edges really sharp. It doesnt improve the algorithm in this case, but it does make it look nicer as a video.

To learn more about computer vision and see other robotics tutorials, check out
http://www.societyofrobots.com/programming_computer_vision_tutorial.shtml

Category:

Howto & Style

Tags:

• computer
• vision
• robot
• COG
• center
• of
• mass
• blob
• detection
• tracking

[LittlePokeDigi]

How do you find the X and Y location??? Could you teach me how to do it?

[palmisano]

@LittlePokeDigi see link in info box, silly =P

[MrSundaymonday]

Good job!! But can v get the source code of it?? I wud also like to try it!!!

Chandra Mani

[palmisano]

@MrSundaymonday I used RoboRealm. You can buy it on my site.

[sgdhoke]

sir could u plz give the code for dat...

[palmisano]

I did. Its in 'da' info box.

[palmisano]

RoboRealm

[taratharanath]

you guys have code for that? if it is in C# awesome :D seriously...........

[ddrmasterdude]

Even i can do that :p

seriously.

[crustea]

great !