Jonathan Dandois
  • Male
  • Baltimore, MD
  • United States
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Jonathan Dandois's Discussions

Is Photoscan getting faster and worse?

Started Oct 17, 2014 0 Replies

Maybe it's me and maybe I am doing something wrong, but I feel like the results I am getting out of Photoscan, while being achieved in shorter time, are actually getting worse in quality.I recently…Continue

Tags: fail, reconstruction, photoscan

Redundant tracking options

Started this discussion. Last reply by Jonathan Dandois Jan 14, 2014. 1 Reply

Wanted to put some thoughts out about options for redundant copter tracking technologies.  We currently use a Garmin Astro (…Continue

Tags: GPS, tracker, dog

Camera settings

Started this discussion. Last reply by Stephen Klosterman May 20, 2013. 1 Reply

Steve emailed me a question about camera settings.  He is getting some blurry photos and is trying to improve image sharpness through camera settings.  I am responding here with our notes on…Continue

Tags: settings, flight, cameras

Back to Basics!

Started Apr 25, 2013 0 Replies

I had a thought on our training protocol.  Perhaps we should approach the technical / engineering side of training (i.e., knowing how to build, program, and troubleshoot the copters) like a…Continue

Tags: teaching, programming, training

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Latest Activity

Jonathan Dandois posted a blog post

UMBC Forest Plot Data Published in Ecology

Representing several person-years worth of work (and several actual years, too!) our UMBC Forest Plot data paper and dataset is now published in the ESA journal Ecology as a Data Paper …See More
Jun 9, 2015
Jonathan Dandois's photo was featured

STRI Octo 1

Just after a successful compassmot test, we couldn't move the concrete slab, so we strapped the copter to it!
May 12, 2015
Jonathan Dandois posted a blog post

UAV ecology research internship at the Smithsonian

Opening at the Smithsonian Tropical Research Institute (STRI) in Panama for an intern to assist in the collection and analysis of high-resolution aerial photos with unmanned aerial vehicles (UAVs).  Key responsibilities are maintenance and repair of fixed-wing and multirotor UAVs and weekly operation of…See More
May 4, 2015
Jonathan Dandois posted a blog post

RFID tags in the forest

I remember many times in our field plots at UMBC where we discussed the idea of planting RFID (Radio frequency identification) tags on our trees to improve future re-census and as a way to get around people stealing the tags (…See More
Apr 9, 2015
Jonathan Dandois posted a blog post

Drones from Baltimore to Panama and back!

I recently had the chance to meet Maryland Senator Ben Cardin while he and his wife were visiting Panama and STRI.  As a Maryland native with over 10 years in Baltimore and a UMBC alum twice-over I was very excited to get to meet some folks from home and to share about my work at STRI using…See More
Feb 27, 2015
Jonathan Dandois posted a blog post

1 Bit Squared - Hand held autonomous copters

Check out these cool little hand held copters from 1 Bit Squared that offer GPS-programmed autonomous flight in a tiny little package.  Equipped with a nano-cam, maybe these could provide a great super-portable tool for rapid site mapping.  Perhaps even…See More
Nov 19, 2014
Jonathan Dandois posted a blog post

Magic Numbers, Panama Edition.

After seeing Thorsten's post I was quite jealous about the flight times he was getting, so I was really excited when we got in a 53 minute flight yesterday with a new modified copter design here in Panama.…See More
Oct 10, 2014
Jonathan Dandois posted a blog post

Can I borrow your IPhone... for forest thermal imaging?

I read about the new FlirOne personal Thermal infrared (IR) imager / iPhone attachment in the SkyMall magazine (I know!) on a recent flight and had to check it out.  This little gizmo attaches to an iPhone and sends a Thermal IR signal to the camera so that a…See More
Aug 23, 2014
Jonathan Dandois posted a blog post

Opening for Drone Ecology Research Intern in Panama

There is an opening at the Smithsonian Tropical Research Institute (STRI) for an intern to collect high-resolution aerial photos with unmanned aerial vehicles (UAVs).  Responsibilities will include assembly of UAVs, maintenance and repair of UAVs, weekly operation of UAVs to collect images, processing of collected images, collection of…See More
Apr 5, 2014
Jonathan Dandois posted a blog post

Ecosynth - An Open Source Project for Computer Vision 3D Ecology

I've just finished updating the licensing information for a large part of the Ecosynth project content online.  The content on the following Ecosynth websites is now available under a Creative Commons Attribution 4.0 International License.…See More
Jan 16, 2014
Jonathan Dandois posted a blog post

Forest Cruising on a Smartphone

Do more with your smartphone than just looking at cat videos - a group from Finland has developed an app for forest timber crusing using your phone's camera and accelerometers.…See More
Jan 10, 2014
Jonathan Dandois's photo was featured
Dec 9, 2013
Jonathan Dandois posted a blog post

Ecosynth Featured in Txchnologist

Ecosynth was recently featured on the science and tech news website Txchnologist.  Head on over to the article by Wynne Parryabout how we are trying to map forests from the ground and the air.See More
Oct 31, 2013
Jonathan Dandois posted a blog post

Ecosynth Goes to Harvard Forest

Ecosynth recently had the chance to get a fly over of a small part of the famous Harvard Forest in Petersham, MA.  For over 100 years, the forest here has been the site of countless research projects and on Wednesday of this week, and today, I flew our v5.0 Hexacopter over a few small patches of forest, pasture and work…See More
Oct 4, 2013
Jonathan Dandois posted a blog post

Ecosynth Flying By the Numbers

We have flown the equivalent of once a week for an entire year over 3 250m x 250m sample sites with the same two copters: an investment of around $5000 in copter and flying gear. I ran some quick numbers from our flight logs and came up with a few fun statistics.  We have logged at least 230 mission days, and 315 total flights.…See More
Sep 29, 2013
Jonathan Dandois posted a blog post

Timing Photoscan with the Python API

I recently starting playing with the Photoscan Python API and adapted a nice little script from the forums for running a job in Photoscan, saving and exporting points and all the while recording time stamps for the entire…See More
Sep 26, 2013

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Jonathan Dandois's Blog

UMBC Forest Plot Data Published in Ecology

Posted on June 9, 2015 at 12:30pm 2 Comments

Representing several person-years worth of work (and several actual years, too!) our UMBC Forest Plot data paper and dataset is now published in the ESA journal Ecology as a Data Paper …

Continue

UAV ecology research internship at the Smithsonian

Posted on May 4, 2015 at 8:43am 0 Comments

Opening at the Smithsonian Tropical Research Institute (STRI) in Panama for an intern to assist in the collection and analysis of high-resolution aerial photos with unmanned aerial vehicles (UAVs).  Key responsibilities are maintenance and repair of fixed-wing and multirotor UAVs and weekly…
Continue

RFID tags in the forest

Posted on April 9, 2015 at 12:47pm 0 Comments

I remember many times in our field plots at UMBC where we discussed the idea of planting RFID (Radio frequency identification) tags on our trees to improve future re-census and as a way to get around people stealing the…

Continue

Drones from Baltimore to Panama and back!

Posted on February 27, 2015 at 7:29am 1 Comment

I recently had the chance to meet Maryland Senator Ben Cardin while he and his wife were visiting Panama and STRI.  As a Maryland native with over 10 years in Baltimore and a UMBC alum twice-over I was very excited to get to meet some folks from home and to share about my work at…

Continue

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