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Simon's Discussions

APM 2.5 + UBlox GPS - No Fix issue

Started this discussion. Last reply by Simon Oct 23, 2013. 2 Replies

Hi. I have had the Ublox + APM 2.5 combo for a little while - and has been working great...until now. I haven't used the machine for a few months (winter) and have just taken it out of the storage…Continue

Is there a trick to leveling these days?

Started this discussion. Last reply by Sebastian K Mar 7, 2013. 5 Replies

Can not get my artificial horizon to level in the Mission Planner anymore.I have carried out the "Accelerometer Calibration" in the "Configuration>ArduCopter Level" section of Mission Planner and…Continue

Connecting ESC directly to APM2.5

Started Sep 16, 2012 0 Replies

A newbie question: are you able to connect power/signal leads from all 4 ESC directly to the APM2.5 or do you need to cut the power wires from 3 of the ESC's before connecting?I noticed that when…Continue

Tags: APM2.5, ESC

REQUEST: Setting failsafe video

Started this discussion. Last reply by William Jun 11, 2013. 1 Reply

Is anyone out there able to make a (hopefully) brief video demonstrating how to set failsafe please? It would be most helpful and appreciated.Continue

 

Simon's Page

Latest Activity

James masterman commented on Simon's blog post UAV's and shark spotting - a case study
"Sorry for the slow reply - yes I can put up the imagery that I have left. I deleted a lot as it was taking up so much space and was uninteresting (to me!). It mainly consists of mpg videos taken from a PAL analog video camera. Is there  a place…"
May 4

Developer
Andrew Tridgell commented on Simon's blog post UAV's and shark spotting - a case study
"Hi James, What I was primarily envisaging was collaboration on data. There are not many sets of UAV imagery available for researchers to use in testing algorithms. Making your raw images available would help there, and may encourage more people to…"
Apr 28
James masterman commented on Simon's blog post UAV's and shark spotting - a case study
"Hi guys. Tridge,I am a member of PerthUAV, who are OBC entrants. We are using your excellent recognition code. The OBC is keeping me very busy and I haven't had time to do any work on shark spotting lately. I'm a beginner when it comes to…"
Apr 28

Developer
Andrew Tridgell commented on Simon's blog post UAV's and shark spotting - a case study
"Nice work James. I'm supervising a PhD student at ANU who is working on image recognition algorithms for finding objects from UAVs. Get in touch if you want to collaborate at all. I assume you have seen the CanberraUAV image recognition system…"
Apr 28
Simon commented on Simon's blog post UAV's and shark spotting - a case study
"James, I was wondering what you are doing wrt image processing. I have been toying with the idea of modifying a handwriting recognition algorithm to see if it will do the job for shark recognition. Any thoughts or experience in this regard?"
Apr 28
Simon commented on Simon's blog post UAV's and shark spotting - a case study
"James, I think the platform can be refined to work. For the cost of a days helicopter hire, I am sure that it would become a non-issue quite quickly. However, I feel that the key is in the image recognition software. If that can be automated as you…"
Mar 1
James masterman commented on Simon's blog post UAV's and shark spotting - a case study
"Forgot to mention, there was a guy at my talk who was proposing to put up large balloons along the coast for shark spotting. He also wanted to sell advertising on them! Not sure when this was going to happen, but sounds l uke a good idea."
Mar 1
James masterman commented on Simon's blog post UAV's and shark spotting - a case study
"Nice video of the balloon. Good to see people trying the idea. As has already been mentioned, the wind is a big issue here in WA. A stabilised camera would help, and with a stills camera you can also set a very high shutter speed to help further.…"
Mar 1
Michael Johnston commented on Simon's blog post UAV's and shark spotting - a case study
"with respect to balloon use - this was only conducted as my flying skills were less than reliable at the time. My initial proof of concept flights were with a UAP1 quadcopter and flown by a skilled pilot.  A video of this also on my channel.…"
Mar 1
Motion Man commented on Simon's blog post UAV's and shark spotting - a case study
"Michael, thanks for the video and Simon, really impressed how far you went with what you did. Whats your next step ? It does look like wind with a balloon is going to be an issue.  I hadn't really thought it would but your video proves…"
Feb 28
Motion Man commented on Simon's blog post UAV's and shark spotting - a case study
Feb 28
Michael Johnston commented on Simon's blog post UAV's and shark spotting - a case study
"The balloons I used in the video linked above were from the Public Lab balloon mapping kit.  A 'G' size bottle of helium cost $500. I only got one days use out of them and the helium doesn't last much longer.  Also think…"
Feb 28
Simon commented on Simon's blog post UAV's and shark spotting - a case study
"Happy to discuss further Matt. I just did a quick check on helium prices and it isn't cheap ($135 / 1,150 liter tank retail hire) - with some saying the price is going to increase quickly. However, it still beats the pants off a $4000/hr…"
Feb 28
Michael Johnston commented on Simon's blog post UAV's and shark spotting - a case study
"Balloons can be very limited when subject to wind as well! https://www.youtube.com/watch?v=9b3RnsoK3P8 "
Feb 28
Motion Man commented on Simon's blog post UAV's and shark spotting - a case study
"Hey James and Simon, maybe we should discuss this further. regards Matt"
Feb 28
Simon commented on Simon's blog post UAV's and shark spotting - a case study
"Well done James. I live in Perth and have "thought" about this for a long time - but you actually got up and "did it" - which is great. I have also thought about the balloon idea as well and I think it has certain advantages -…"
Feb 28

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Interested in the autonomous side of aerial systems...not that I have any experience in this area...but that is what interests me :)

Simon's Blog

UAV's and shark spotting - a case study

Posted on February 27, 2014 at 12:00am 21 Comments

Youtube link

James Masterton has been experimenting with UAVs (unmanned aerial vehicles) off the Perth coastline to see if they might help spot sharks. Here he shares his experiences and provides some clues as to what now needs to be done if UAVs could be part of the…

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