Harm Bartholomeus
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bartho2.bsky.social
Harm Bartholomeus
@bartho2.bsky.social
Doing teaching & science about remote sensing, drones & lidar at Wageningen University. Mostly trees, but plenty other things as well.

May post stuff about other things that keep me busy as well 🙃Sometimes misunderstood...

Be kind!

Hey #AD, kunnen jullie hier gewoon "wolfshond" in het kopje zetten. Net zoals in het stukje staat?

www.ad.nl/binnenland/p...
Politie schiet ‘wolf’ dood in Belfeld om gevaar op snelweg te voorkomen
De politie heeft zaterdag in Belfeld een wolfshond doodgeschoten. Volgens een politiewoordvoerder was dat noodzakelijk om te voorkomen dat het dier de A73 zou oplopen en daarmee het verkeer in gevaar ...
www.ad.nl
August 23, 2025 at 1:27 PM
Volgens mij heeft de hele overbleven bijenpopulatie van Nederland mijn achtertuin weten te vinden 😍 Het zoemt en bloemt en het gonst als een malle! Beheersplan geslaagd! 💪 #bijen #geenonderhoudisookeenplan
August 18, 2025 at 11:14 AM
Check this out: arcg.is/v0aqW

A first wall-to-wall forest attribute map of the Netherlands showing dominant tree height, stem volume and basal area. Great results of Nico Spliethof's MSc research.
Experience
arcg.is
July 9, 2025 at 6:44 AM
Reposted by Harm Bartholomeus
Strucnet meeting organised by @kimcalders.bsky.social very much fun!
May 15, 2025 at 4:07 PM
Dag Jan Terlouw🥺 Bedankt voor de prachtige boeken toen ik wat jonger was en je beschouwende blik op de wereld toen ik iets minder jong was.
May 16, 2025 at 11:23 AM
Pwoah... mooi stukje fietsen! #AGR
April 20, 2025 at 2:38 PM
R.I.P. Iceman 😥
April 2, 2025 at 5:16 AM
It was fascinating, it was steep, it was dense, it was fun! Another ha of cloud forest scanned in Costa Rica, with some smaller plots of secundary forest and paramo as a bonus. #lidar #biodiversity #uav
March 6, 2025 at 8:28 AM
The primary goal of our #WUR Costa Rica field campaign is gathering TLS data of the cloud forest, but it is always nice to put some UAV lidar/RGB/hyperspectral in the mix!

Great video by our local partner AerialShutter!

youtu.be/d08NAL7AwOs?...
DJI Matrice 350 RTK + P1 + L2 + Multiespectral
YouTube video by Aerial Shutter
youtu.be
February 23, 2025 at 1:33 AM
Mmm... seems like this L1 UAV-LiDAR sensor doesn't really reach the promised range. Didn't expect too many points below canopy, but also nill/zero/nada/niks in the open field is a bit... uhm... interesting! Food for thought! #UAV #LiDAR
February 9, 2025 at 8:33 AM
Reposted by Harm Bartholomeus
Hey there @bsky.app!

Please join us for #SilviLaser2025 for a great conference on cutting-edge technology in laser scanning and forestry 🛰️🌲

🚩 Quebec City
📅 Sept 29 - Oct 3, 2025
📃 Abstracts due Feb 28. 2025

Learn more at silvilaser2025.com! 🌍
Please like and share this with your networks! 🙏
SilviLaser 2025
silvilaser2025.com
January 31, 2025 at 1:06 AM
Reposted by Harm Bartholomeus
Are you curious about how to Detect Plastics with Remote Sensing?

Mathias Bochow (GFZ Potsdam), Tim van Emmerik (WU-HWM), and I will teach a PE&RC Master Class in Wageningen on May 5th.

Registration is open and free (but the course is only on-site at Wageningen). www.pe-rc.nl/MasterClassP...
January 27, 2025 at 5:18 PM
Each time when I see a scan of this "lonely oak" (as it is called) I'm slightly annoyed it is not in the center of the wagonwheel...
January 26, 2025 at 9:08 AM
Reposted by Harm Bartholomeus
🚨📢 Call for short and tiny Papers 🚨📢

for the third Machine Learning for Remote Sensing workshop at ICLR 2025 in Singapore!

Deadline in 3 weeks on February 3rd!

Check the website ⬇️ for submission details
ml-for-rs.github.io/iclr2025/

@iclr-conf.bsky.social
January 13, 2025 at 8:45 PM
Done my share of citizen science! #tuinvogeltelling
January 26, 2025 at 8:12 AM
No causal relations here!!! Bambi feelings after so many years...
January 25, 2025 at 4:17 PM
Always nice to read student course evaluations, but do hope they remembered more from this course than just this example 🫣🤔
January 25, 2025 at 4:08 PM
Impressed and enthusiastic about #gaussiansplats for close range measurements! Visually very nice, but geometrically also correct. Being evaluated on a bunch of these little mangroves!
January 25, 2025 at 4:06 PM
Weet iemand hoe je die vogels kunt vragen zo'n 30 sec stil te zitten, zodat ik ook even de tijd heb ze te herkennen? #tuinvogeltelling
January 25, 2025 at 3:02 PM