Using openCV running on a completely underpowered laptop to identify and track an object. For this proof of concept, a blue ball is tracked. I send calculated servo positions via serial comms to the Arduino over USB for servo movement. When the object is lost from the camera fra…

Update 31/01/14 Chassis arrived Put together Mounted servos. Looking good. Just need to work out the best way to get power to the servos. Also need to determine the best configuration for the arduino and (future) pandaboard. [20140131_080056.png] [20140131_080045.png] …

Nice work! We built a similar project. However, we installed an Android device onto a RC car and used an IOIO board instead to control it autonomously. Here is the preliminary result: http://youtu.be/vkvkfcqEUkk

thanks There’s still a bit of work to go… The latest news is I was able to order the pandaboard from digikey. The bad news is its huge and I’m going to have to rethink a few design aspects…

Hi,It’s quite impressive!I Hi, It’s quite impressive! I am trying to build a bot similar to that only using Intel Galileo board. Would you mind sharing some code with me? Thanks, Ziv

no problems What would you like to know? There’s three main components: 1) opencv library to perform the image processing and object detection using hough circles on masked video frames 2) serial comms to send the commands to the arduino using libserial 3) ardunio reads the comm…

Since i am firly new to open Since i am firly new to open CV i would like to see how you wrote the object detection and translated it into commands to move. I guess options number 1 & 2 are my choices. Thanks!

Re: Since i am firly new to open For us, having the servos move smoothly was a challenge since we can only get 16fps using OpenCV at a minimum resolution of 176x144. At that refresh rate it was not possible to track the object using the camera thread so we decided to use the mic…

Impressive I would be happy with 15fps, at the moment I get about 3 - 5 with considerable lag on my setup which is a celeron 900 running Ubuntu 12.04 desktop. The way I compensate for the lag so far is instead of attempting to track in realtime, when the object is noticed, it wi…

Not sure I follow, but thanks At the moment I have 2 worker threads, but they are not dynamic. I have overloaded virtual functions for each thread. It gets around the problems of using classes quite nicely. I have two classes, one performs the serial functions and the other the …

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total_noob May 10, 2014, 5:52pm 10

Why dont you create dynamic

Why dont you create dynamic threads which your second thread will read through each thread with the highest priority (latest value) while your first thread reads the second thread?