invasive-species
invasive-species


Author Comment Last activity Moderation
ajawitz "$300 would admittedly be a challenge, but a $500 quad with decent lift and up to an hour of flight time is not only possible, I've seen it done a n..." | Read more » about 10 years ago
mathew "@code4maine a $300-400 quad will hardly fly long enough to map much (10 minutes), and is likely to get blown going to get blown away in the wind. ..." | Read more » about 10 years ago
mathew "@erget-- are you using entirely matched stereo pairs, or are you moving to do a SFM-style unmatched parallax extraction? We have a big team worki..." | Read more » about 10 years ago
mathew "@code4maine-- certainly, doing bluetooth coupling with a home-built Gps unit and the rest sounds like a bit of a pain in the field. I'd just take..." | Read more » about 10 years ago
ajawitz "That sounds like a very interesting project! Have you submitted a research note for it? I for one would definitely be interested in exploring DIY ..." | Read more » about 10 years ago
erget "If you're wanting to use a multicoper for mapping, I'm working on automating many parts of that workflow for my dissertation. By the end of the sum..." | Read more » about 10 years ago
ajawitz "That sure would be amazing if all we had to do was take a picture with the iPads the students are using to get coordinates! But my guess is we wou..." | Read more » about 10 years ago
mathew "One of the other features we're adding to mapknitter is that it will recognize the geo coordinates stored in images' EXIF data, and the ability to ..." | Read more » about 10 years ago
ajawitz "Wow! That sounds great! I'll try to add some more information to the wiki to give people a better idea of the general project parameters and what..." | Read more » about 10 years ago
mathew "Hi, I see in the Wiki that you are planning to use Rhuus or a similar system to mark the sites. depending on the timeline of these activities, you..." | Read more » about 10 years ago
ttaylor "I just posted a research note with my little background study of the usefulness of color for Trapa classification; Here's the link. " | Read more » almost 11 years ago
cfastie "Tom, Both WarnerLkVis7075.JPG and WarnerLkVis7136.JPG are there (case sensitive). Their NIR matches (2214 and 2275) are there too. The NIR images..." | Read more » almost 11 years ago
ttaylor "Chris, some questions for you: 1) Is there a full resolution version of WarnerLkVis7075.jpg and WarnerLkVis7136.jpg somewhere for me to download? ..." | Read more » almost 11 years ago
cfastie "philippg, Ned Horning has been working on these images, and has tried some segmentation approaches, but maybe nothing fractal or with spectral cohe..." | Read more » almost 11 years ago
cfastie "Hi Cynthia, We got several GPS locations from patches of water chestnut, but I have not yet matched up the field descriptions with the GPS coordina..." | Read more » almost 11 years ago
cboettner "This looks very encouraging as a possible tool for those of us trying to locate and control water chestnut. Since I haven't been involved since th..." | Read more » almost 11 years ago
philippg "pretty nice results! it seems like the structural information is more telling than the spectral. did you try to calculate e.g. spatially resolved f..." | Read more » almost 11 years ago
nedhorning "This isn't actually a classification. I was generating different layers from the 4-band (red, green, blue, near-IR) images collected a few weeks ag..." | Read more » almost 11 years ago
cfastie "I think the only areas in the image with waterchestnut present are within the white circles. Other areas that are dark in the classification result..." | Read more » almost 11 years ago
jholmes5 "I want to know more! It seems like there are areas around the canoe which have similar appearance in the gray scale are these water chestnut areas ..." | Read more » almost 11 years ago
cfastie "Yes, I noticed that in your note you mentioned that tallow turns color in the fall and nothing else does. So you won't even need IR to distinguish ..." | Read more » almost 11 years ago
eustatic "chris fastie for president. i think tallow looks like broccoli from up high. it would be interesting to develop a color signature, or some kind o..." | Read more » almost 11 years ago
cfastie "Hello 10k Diamond Jubilee Admirals' Club. This is my 100th research note! " | Read more » almost 11 years ago
patcoyle "Chris, I'm not a expert user of the two cloudbased services, Dronemapper.com and Pix4d.com. I've only processed test cases. Pix4d.com, used to want..." | Read more » almost 11 years ago