Shashanka Venkataramanan
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  • maharshtra
  • India
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Rana commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"With USB CAM (Logitech C920 USB HD Camera) at the FlytOS - Pi3, I am able to get the live video feed, see following video clip; https://www.youtube.com/watch?v=ZCJ0fjxwDXc From the FlytConsole, I am able to get and change parameters and Waypoints…"
May 23
Rana commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"Hi Prasad,   I am not being able to get the live video feed in FlytConsole and Followme  with FlytOS (Pi3). I have uploaded a small clip from which you can have a look at the…"
May 22
OlliW commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"well, it certainly wouldn't do miracles higher precision, the angles are set as floats, for small angle ranges the PWM resolution is ok, but for e.g. 330° it's just 0.3° with PWM you can't do 360° turn around, so the…"
Aug 9, 2016
Sharvashish Das commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"You are absolutely right, we have endless power in our side. The onboard storm32 takes care of the internal loop rate, as you did rightly mentioned. We can surely have a better algorithm running on our side, on top of gimbal controller of storm32.…"
Aug 5, 2016
OlliW commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"thx a lot, helped a lot I would think that the D in the PID achieves similar to a prediction of the target object location, or the beta in the a-b-g filter. I thought a bit more about what you're doing, and I'm not sure if what I had…"
Aug 5, 2016
Sharvashish Das commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"Ok, to begin with we can have two simultaneous tracking algorithms working in tandem. The first one being in OpenTLD(where TLD stands for Tracking-Learning-Detection). This visual tracking involves probably predicting and correcting where the target…"
Aug 5, 2016
OlliW commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"ah, thx for the clarification. I would think you would profit from using a serial data line instead of PWM. I might be confused by the wording "tracking part", but in my little understanding OpenTLD gives you the target coordinates…"
Aug 4, 2016
Sharvashish Das commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"Hi, Sorry for the misunderstanding, but we indeed are using SToRM32 controller for the gimbal. As you might as well know, the controller does provide its current orientation, but we don't need that information as we are using a PID control…"
Aug 4, 2016
Shashanka Venkataramanan commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"It looks interesting stuff. Thanks for the info OlliW."
Aug 4, 2016
OlliW commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"You say it can only accept PWM commands, so it is not a STorM32 controller, right? I was kind of sure it is, from the looks of the gimbal in the video. LOL. I happen to be the developer of the STorM32, and recently got attracted to the idea to…"
Aug 4, 2016
Shashanka Venkataramanan commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"Yes, the gimbal is one of those chinese models. The gimbal can only accept PWM commands, and does not give feedback of its current orientation. I try to minimize the error between center of frame and object's centroide. First step is to convert…"
Aug 4, 2016
OlliW commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"thx for the response I was asking because the gimbal looks like the readily available China gimbals with STorM32 controller. May I assume it's that controller? Besides all that cool CV stuff, at the end it gives you some coordinates to point…"
Aug 4, 2016
Shashanka Venkataramanan commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"Thanks OlliW! Right now there is separate gimbal controller to stabilize the gimbal. FlytPOD is giving angle commands to this gimbal controller according to object in the scene.  While FlytPOD could also support that, we are focusing on getting…"
Aug 4, 2016
OlliW commented on Shashanka Venkataramanan's blog post Visual Object Tracking and Following for DIY Drones
"now this is really very cool, fantastic job, sir may I ask about the gimbal, do you use a separate gimbal controller, or is that also handled by the FlytPOD electronics?"
Aug 4, 2016
Shashanka Venkataramanan posted a blog post

Visual Object Tracking and Following for DIY Drones

This summer, during my summer internship at Navstik Labs, I took up a project to implement vision-based object tracking and following, using a gimbal mounted camera on a drone. There are already some ready-to-fly drones that offer such a capability. However, it is still quite complex to integrate this feature with your own custom built drones.Now anybody can guess that tracking and following objects using gimbal will need some OpenCV code and a PID controller; what else could possibly be…See More
Aug 4, 2016

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