Matt Gunn
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  • Atlanta, GA
  • United States
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Matt Gunn's Discussions

Maintaining a certain groundspeed w/o airspeed sensor?

Started this discussion. Last reply by Matt Gunn Aug 6, 2013. 2 Replies

Im wondering how I can maintain a specific GPS groundspeed during an auto flight without the airspeed sensor. Is it possible? Or am I missing something?thanks,MattContinue

Syncing clocks. APM and Camera

Started this discussion. Last reply by Matt Gunn Jun 28, 2013. 2 Replies

Gents, Im having a bit of a problem finding the info, and I know its around here somewhere! LOL.Can someone point me to info regarding syncing the APM clock to my cameras clock, and how to merge the…Continue

Formula for determining resolution (cm/pix)?

Started this discussion. Last reply by Jason Best Apr 9. 6 Replies

Im trying to determine the resolution of my camera for mapping. Its 12.1mp, flight altitude is 320 feet.I have this chart for a 10mp camera, but is there a formula someone can share?…Continue

Let's talk Canon cameras

Started this discussion. Last reply by Deon van der Merwe Nov 1, 2013. 101 Replies

Id love to get an idea what people are using for their aerial mapping Canon cameras. I have the Canon S95, which usis optical image stabilization (OIS). This means the lenses are floating and move…Continue

 

Matt Gunn's Page

Latest Activity

Jason Best replied to Matt Gunn's discussion Formula for determining resolution (cm/pix)?
"I realize this is a fairly old thread, but just today I was working on this problem and after I solved it (I think), I found this discussion. Others have already provided a number of good answers and resources but I thought I'd add my own. The…"
Apr 9
Matt Gunn commented on Chris Anderson's blog post Commercial drones are legal in the US, court rules
"Don't get me wrong, Im very happy. I was one of the 12 companies issued a cease and desist (I never actually got the official letter, I found out about it from a reporter that got the list from the FAA). I just know that that will make them…"
Mar 6
Matt Gunn commented on Chris Anderson's blog post Commercial drones are legal in the US, court rules
"The laws will still come and when they do, the restrictions will choke us little guys."
Mar 6
Matt Gunn commented on Rob_Lefebvre's blog post Helicopter Presents Attractive Alternative to Multi-rotors and Fixed-wing UAVs
" Helis rock! I can attest to that.  ;) "
Feb 7
Jarrett Totton commented on Matt Gunn's blog post Mapping Mission Ride Along
"https://drive.google.com/file/d/0B3KNAnFuYjllRXFCXy1GQ3VLek0/edit?usp=sharing this is a link to the point cloud. Here is a link to the software to view it: http://appliedimagery.com/download "
Jan 12
Jarrett Totton commented on Matt Gunn's blog post Mapping Mission Ride Along
"This was all done with Agisoft photoscan pro. I used google earth to find some coordinates to use as ground control points. If you get another flight done I would be interested in working with the imagery you collect. If you want I could also share…"
Jan 11
Jarrett Totton commented on Matt Gunn's blog post Mapping Mission Ride Along
"https://drive.google.com/file/d/0B3KNAnFuYjllc21RMEFpb0xqejA/edit?usp=sharing Here is an orthophoto I made. It is a kmz file that is about 180mb. "
Jan 11
Matt Gunn commented on Matt Gunn's blog post Mapping Mission Ride Along
"I dont, but i will do a new flight soon. I assumebyou are using the professional edition?"
Dec 13, 2013
Jarrett Totton commented on Matt Gunn's blog post Mapping Mission Ride Along
"I am using Agisoft Photoscan. I am really liking it. If you have a tracklog from that flight it would work even better."
Dec 13, 2013
Matt Gunn commented on Matt Gunn's blog post Mapping Mission Ride Along
"Jarrett, sorry for the late reply.myour 3d map looks great.what program?"
Dec 12, 2013
Matt Gunn left a comment for Jarrett Totton
"Jarrett, Im sorry I didn't respond earlier when you posted the 3D PDF you made on my thread... Ive been away from the forum for a while. What software did you use? I'd like to do another test with you and give you some coordinates to see…"
Dec 12, 2013
Matt Gunn commented on HeliStorm's blog post Amazon Prime Air
"Its all merely propaganda and Amazon is getting great advertising by just speculating that UAV's will deliver their goods in the future. Give the current technology for cost effective autonomous delivery aircraft, there's just too many…"
Dec 1, 2013
Deon van der Merwe replied to Matt Gunn's discussion Let's talk Canon cameras
"Yes, NEX 5R and NEX 6 can use an intervalometer app. Other NEX cameras, but NOT NEX 3, can use an external intervalometer with an infrared trigger."
Nov 1, 2013
Acorn replied to Matt Gunn's discussion Let's talk Canon cameras
"Do any of the NEX models have an intervelometer?"
Nov 1, 2013
Drones Imaging replied to Matt Gunn's discussion Formula for determining resolution (cm/pix)?
Sep 22, 2013
Jarrett Totton commented on Matt Gunn's blog post Mapping Mission Ride Along
"3D PDF Here is a link to a 3D pdf that I made seems that no one else has delivered after asking for the data. If I had a gps tracklog I might be able to geocode the photos and create a more accurate model with actual location data."
Sep 20, 2013

Profile Information

About Me:
Interested in all things aviation.
Please tell us a bit about your UAV interest
Fixed wing, rotary wing, and multi-rotor.

Matt Gunn's Photos

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Matt Gunn's Blog

Mapping Mission Ride Along

Posted on May 18, 2013 at 10:00pm 68 Comments

Here's my 1st mapping test flight with a Skyhunter twin-boom pusher. Im running Arduplane 2.73. Mapping camera is a Canon s95 running an intervalometer script via chdk. Its suspended from a single axis gimbal that keeps the camera pointing down regardless of aircraft bank angle. Video shot from a GoPro 3 Black Edition.

It took 120 photos during the 10 minute…

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How to trigger a Canon camera through an RC transmitter

Posted on April 4, 2013 at 7:00am 17 Comments

 

In this video, I go over how to trigger a Canon s95 camera through an rc transmitter, without taping a servo on top to push the shutter button. Canon cameras use a firmware hack called CHDK that allows shutter control through the usb port. With a simple switch from Turnigy, we can trigger the camera from the transmitter.

Turnigy switch:…

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Testing the GoPro 2

Posted on November 22, 2011 at 6:17pm 14 Comments

Ive been doing some testing with the new GoPro2 HD video camera. I bought it out of necessity after loosing my GoPro HD in flight :( But, having the HD jump ship was a blessing in disguise, because the new GP2 boasts some impressive features.

While shooting in 1080P, you can choose 3 different field of view (fov) settings: Wide at 170, medium at 127, and narrow at 90. Heres a video I made testing the different fov settings on a Skywalker foam airplane.…

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