invasives
invasives


Author Comment Last activity Moderation
warren "Oh, it's fine to use whatever works for you of course! I just wanted to see the comparison and a label for the phragmites is a great way to illustr..." | Read more » over 10 years ago
nicholas "We werent sure at first but the color differences between the phrag and other grasses is pretty distinct. I uploaded a second annotated image. An..." | Read more » over 10 years ago
warren "Wow, interesting! You're pretty confident about the ability to recognize phragmites from the air? Where are your MapKnitter projects -- could we tr..." | Read more » over 10 years ago
warren "Hmm, trying again now: https://mapknitter.org/map/view/pottskaptest2/ It worked this time! Not sure what your last error was but it seems converti..." | Read more » over 10 years ago
mathew "On anemometers-- learn the Beaufort scale and watch the tops of trees-- since wind speed on the ground is less important than high up, Beaufort is ..." | Read more » over 10 years ago
mathew "I haven't seen anyone doing orthorectification with Open CV. MicMac is the only toolchain I know of it include 3D construction and orthorectificat..." | Read more » over 10 years ago
ajawitz "Also a brief search into OpenCV and 3D Aerial Photography yielded some promising results- This post on Stack Exchange almost seems like it came fro..." | Read more » over 10 years ago
cfastie "That's good to know that structure from motion works with wide angle photos. It sounds like you have to correct the distortion first. It doesn't se..." | Read more » over 10 years ago
ajawitz "Now I can't wait to get back in the air because I really want to compare the Bimp+Gimp combo to DigiKam. I have a slight suspicion that DigiKam po..." | Read more » over 10 years ago
Philgib ""The lens is very wide, so stitching maps from multiple low altitude photos produces poor results" Sorry for not being clear enough. Gimp + Bimp ..." | Read more » over 10 years ago
cfastie "That is an excellent Mobius photo. The Mobius is so lightweight that there is no reason not to include one on every flight. The lens is very wide, ..." | Read more » over 10 years ago
Philgib "Sorry two more things for you : - make sure you use pulleys and proper pulleys string on your picavet. Brooxes.com is the place. My picavet / pulle..." | Read more » over 10 years ago
Philgib "That is the "black island" from Tintin album cover. My multicopter is hand made with super cheap material, it is therefore vibrating a lot. From a ..." | Read more » over 10 years ago
Philgib "Links to waterproof case (the only case I am aware of ) Video : https://www.youtube.com/watch?v=sy8ONQOhha8 Purchase : https://joovuu.com/gb/home/1..." | Read more » over 10 years ago
ajawitz "Thank you for the interesting recommendations. I actually just got my Mobius today and will be printing out various components for the rig. Can y..." | Read more » over 10 years ago
Philgib "Hi, Great project. I do multi rotors, rc planes, blimp and kite pics. Your pictures will be 100 times better with a Mobius, plus a waterproof ca..." | Read more » over 10 years ago
ajawitz "RE:-High Winds- Has anyone posted a note about making a DIY wind speed meter? It would've been handy to get a rough idea of how close I was to t..." | Read more » over 10 years ago
ajawitz "RE: Kite Reels and Line- It was definitely 50 Ibs line but now that I know better I made sure to order a Yo Yo Reel with 150 Ibs Dacron this time..." | Read more » over 10 years ago
ajawitz "RE: Mapknitter- I converted the images to JPGs and uploaded them again. The export status dialog then reads (Status: Warping 1 of 6, 2 of 6 etc...." | Read more » over 10 years ago
warren "Indeed there's something about the images themselves. I hate to ask, but could you try to convert them to jpg and re-upload them? I'm very sorry bu..." | Read more » over 10 years ago
warren "I can't tell if there's something it's choking on in your images (maybe 'cause they were screenshots from VLC?) or it's having trouble downloading ..." | Read more » over 10 years ago
warren "Hmm, i'm not sure what's going on with that mapknitter export. Looking into it... thanks! " | Read more » over 10 years ago
cfastie "Great report. The mini bottle and 3D printed Picavet will go in the Public Lab record books. And what a fantastic place to fly. Is that public land..." | Read more » over 10 years ago
mathew "We generally prefer the manual "yo-yo" reels because of their durability. Those little winders you're using definitely break at high loads. I hav..." | Read more » over 10 years ago