David Viaene
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  • Buffalo City, South Africa
  • South Africa
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This is what happens when you set a waypoint to 100m and a geofence to 70m :)

Started this discussion. Last reply by Andre K. Jan 26, 2016. 1 Reply

For some reason the copter when it hit RTL decided to osscilate and crash. I think because the decent was set too fast. I read that RTL uses WP_NAV_SPEED which was set to 400. What do you think…Continue

My quad crashed and I am not sure why....

Started this discussion. Last reply by David Viaene Jan 25, 2016. 3 Replies

So I tried to do an automated mission. I set an altitude of 9 meters. Used tower to try run this.When i clicked "takeoff". Takes off and loiters well. Then I start the auto mission and after about…Continue

What do you think the most efficient motor / blade combo is for a S500 frame?

Started this discussion. Last reply by David Viaene Jan 2, 2016. 2 Replies

Greetings fellow geeksI want to make a bunch of these for some friends of mine. We are going to work with S500 frames as shown below. What blade size / motor size should I purchase with these for…Continue

Firmware not upgrading?

Started Dec 26, 2015 0 Replies

I see there is a 3.3 upgrade. I do the whole upgrade through USB. It installs and then verifies. I do all the accelerator and compass calibration. It seems to install via both the firmware install…Continue

 

David Viaene's Page

Latest Activity

Matthew Carse replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Hi - my company IDS applies deep learning to recognise features in images. We recently took an orthomosaic of drone captured images of a sheep farm and used our neural network to train a classifier to predict the number of sheep in the…"
Feb 20
David Viaene replied to John's discussion Droneshare
"Anyone ever find a solution. I always get errors :("
Jan 27, 2016
Andre K. replied to David Viaene's discussion This is what happens when you set a waypoint to 100m and a geofence to 70m :)
"if motors are allowed very low throttle, and a rapid descent, the air can blow so hard on the props, that it gets trouble staying in sync. you could try to increase minimum throttle.   - or it can be a bad tuning.. some instability suring…"
Jan 26, 2016
David Viaene replied to Nigel Brown's discussion Waypoint Flight Major Oscillation at the end for no know reason
"Thats what I do. I always set my last waypoint as RTL. "
Jan 26, 2016
David Viaene posted discussions
Jan 25, 2016
David Viaene replied to David Viaene's discussion My quad crashed and I am not sure why....
"Yup, that was totally it. Throttle needed to be up :D"
Jan 25, 2016
David Viaene replied to David Viaene's discussion My quad crashed and I am not sure why....
"Everything was controlled via the tower app, but we had to switch the controller on for it to arm. However, we kept the throttle down. If the throttle was down while it was in auto mode would it have reacted like this?"
Jan 25, 2016
Cala replied to David Viaene's discussion My quad crashed and I am not sure why....
"Do you have the log from the controller? It's the first autonomous mission?"
Jan 25, 2016
Darius Jack replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Thank you @Cala, I played a lot with ImageJ, developing 3D USG Tomography. Attention!!! State of the art in computer counting of animals: " You could also use Amazon's Mechanical Turk.  You upload the pictures and pay someone like…"
Jan 17, 2016
Darius Jack replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Generally speaking, OpenCV is not fit for counting people not to say about counting animals. https://m.youtube.com/watch?v=WdfPN6e8CAo Pattern object recognition apps work fine in case of flat images and fail to work for 3D to 2D plane projected…"
Jan 17, 2016
Guy Compton replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"@David Here are some of the ideas we built around. ERDAS IMAGINE 2015 (Conservationdrones.org counts Palm trees from a single picture) Palm Tree Example We are working on a process using ERDAS IMAGINE 2015 to count cotton bolls per picture. OpenCV…"
Jan 17, 2016
Cala replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Here some info…"
Jan 17, 2016
Darius Jack replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"@David, I can count your stock remotely. All I need is to set up server to run image processing and pattern recognition software. You would be able to access server remotely for image upload and count download. Thermal and IR imaginery is generally…"
Jan 17, 2016
David Viaene replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Another thing I want to know, who specializes in the software that counts animals? Is there a FOSS alternative yet? :)"
Jan 17, 2016
David Viaene replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Your contributions are very informative :D"
Jan 17, 2016
Darius Jack replied to David Viaene's discussion Thermal or IR based stock counting? in the group Agricultural UAVs
"Thank you @Guy, excellent technology. I was not aware pulse oximeter reflective sensor technology lives so close to us. http://www.alibaba.com/showroom/pulse-oximeter-sensor-reflective.html http://www.njr.com/products/press2013/NJL5501R.html I need…"
Jan 17, 2016

Profile Information

About Me:
Geek, tinkerer and technology nut
Please tell us a bit about your UAV interest
Im buying a quadcopter, looking to learn more about the technology.
Hometown:
East London

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