Mark Williams
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  • Leeds, United Kingdom
  • United Kingdom
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Mark Williams's Groups

Mark Williams's Discussions

Low battery failsafe landing speed

Started this discussion. Last reply by Kjetil Uthne Hansen Feb 12, 2015. 4 Replies

I ran my hex battery down too far last week and the battery failsafe kicked in. It is set up to autoland so down it came. The landing speed is very fast and didn't slow before the hex hit the ground.…Continue

Compiling mission planner "BUT_MagCalibrationLog does not exist"

Started this discussion. Last reply by Mark Williams Nov 6, 2014. 1 Reply

I have cloned missionplanner from GitHub and am trying to build it. I have got past the majority of the build errors but can't figure this one out. I am getting the following errors from VS 2013. Can…Continue

Errors georef ing images

Started this discussion. Last reply by Mark Williams Nov 6, 2014. 1 Reply

I have a series of images and a flight log from a mission today. When I go to georef the images using the .log file I am getting the following error when attempting to estimate the time offset. Does…Continue

My Arducopter was flying fine then drops GPS lock and crashed

Started this discussion. Last reply by DG Oct 23, 2014. 1 Reply

I was out testing my hexacopter this morning. I flew a simple mission perfectly and everything was going well. However once I switched into loiter the aircraft flew off in a random direction very…Continue

 

Mark Williams's Page

Latest Activity

Jerry Cresp replied to Mark Williams's discussion Smartphone for aerial photographs
"True; but with the APM there is so much going on it is good to just set the thing going and not have to worry about it till after the flight. What are you flying? "
Sunday
spagoziak replied to Mark Williams's discussion Smartphone for aerial photographs
"Heya Jerry, You're probably right.  I'm up in Minnesota.  The more I look around, the more obvious it gets that brute force will have to do. It's a shame that this route eliminates much of the intelligence that the APM team…"
Saturday
Jerry Cresp replied to Mark Williams's discussion Smartphone for aerial photographs
"Spag?, I gave up on trying to trigger any camera  from the APM. It became simpler and easier just to set whatever camera you are using to a 3 second interval and let it go. With the capacity of SD cards these days, it is easier to delete the…"
Friday
spagoziak replied to Mark Williams's discussion Smartphone for aerial photographs
"I see this thread is almost 5 years old... has anyone else made progress on this? I'd like to use my S9 as a camera, but I'd like it to receive commands from APM, probably via an app. This doesn't seem so exotic an idea now, but I…"
Friday
Mark commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"Thank you"
Aug 6, 2015
János Mészáros commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"Thank you for your work and time with scanning, Mark. "
Aug 6, 2015
Mark Williams commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"For those who wanted a the abstracts I finally got around to scanning the book of abstracts. You can get it from here https://www.dropbox.com/s/cyi3q1pzrrbmine/UAV%20conference%20paper%20abstracts.pdf?dl=0 Thanks, Mark"
Aug 6, 2015
Mark Williams replied to Richard's discussion Using Flying wings for aerial mapping
"These flight times with the x5 sound great. I'd love to hear about the propeller, motor, battery setup on your aircraft."
Jul 25, 2015
Mark commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"Thanks Mark, was most interested in the auto animal detection (1st session of day 2)."
Jul 3, 2015
Mark Williams commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"I'll try and get hold of the papers that are presented and link them up here. Do you have anything in particular that you'd like to see?"
Jul 1, 2015
János Mészáros commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"It would be great to promote your conference in calendars of other organizations e.g. ISPRS, ICA or EGU in the future. I just recently heard about it, reading your blog post... :( Anyway, programme is very interesting and I second Mark opinion about…"
Jun 30, 2015
Mark commented on Mark Williams's blog post Drones in Environmental Research conference at Liverpool JMU
"Thanks for the link, some interesting papers.  If possible, it would be great to see a link posted to papers when finished. Cheers Mark"
Jun 30, 2015
Mark Williams posted a blog post

Drones in Environmental Research conference at Liverpool JMU

Liverpool John Moores University are holding their second conference on the use of drones in environmental research on July the 7th and 8th. There are some great pieces of research being presented and it should be a very interesting couple of days.I'm…See More
Jun 30, 2015
Mark Williams left a comment for n1ente
"Hey Giorgio. I hope you're well. "
May 12, 2015
Mark Williams commented on Mark Williams's blog post Automated land cover classification for conservation and habitat monitoring
"*times"
May 11, 2015
Mark Williams commented on Mark Williams's blog post Automated land cover classification for conservation and habitat monitoring
"Martin, I'd agree. The UI can be awkward at tikes but you kind of get used to it."
May 11, 2015

Profile Information

Please tell us a bit about your UAV interest
I am interested in building a drone for conservation and ecological surveying
Hometown:
Leeds

Mark Williams's Blog

Drones in Environmental Research conference at Liverpool JMU

Posted on June 30, 2015 at 2:00am 7 Comments

Liverpool John Moores University are holding their second conference on the use of drones in environmental research on July the 7th and 8th. There are some great pieces of research being presented and it should be a very interesting couple of days.

I'm…

Continue

Automated land cover classification for conservation and habitat monitoring

Posted on May 8, 2015 at 4:25am 10 Comments

I posted the results of my research into using a small UAV for land cover classification for habitat monitoring a couple of months ago.

I've created a short video as part…

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Using UAVs and NIR photography in conservation land cover classification

Posted on March 19, 2015 at 8:53am 15 Comments

I've recently finished a research project using UAVs to classify land cover types on British upland heath. I'm using an APM controlled hexacopter (H550) carrying a Canon Powershot S95 modified for NIR photography. I've successfully surveyed and classified around 15 hectares in 10 minutes. Using image analysis…

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Banggood LEDs for multicopter orientation

Posted on December 31, 2014 at 9:00am 4 Comments

I bought a few of these banggood LEDs in order to help avoid me constantly losing orientation of my hexacopter. They were very cheap and very easy to fit. The…

Continue

Comment Wall (1 comment)

At 1:57pm on April 18, 2014, Ahmed Shareef said…
Hi, Greetings from Maldives! I see you have same platform and possibly same goal as Im having here. So we can cooperate on this. You know like sharing information, Im more interested in post-processing. Im building a photogrammetry application out of necessity.

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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