aquatic
aquatic


Author Comment Last activity Moderation
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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 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 » over 10 years ago
cfastie "Hello 10k Diamond Jubilee Admirals' Club. This is my 100th research note! " | Read more » over 10 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 » over 10 years ago
cfastie "Charlie, Some of the structure from motion programs that make 3D terrain models from aerial photos do not need any input other than the photos them..." | Read more » over 10 years ago
cschweik "Hi, Re a GPS on board with the cameras, I'm trying to understand how one would use that to georeference an image in GIS with good accuracy. I'm us..." | Read more » over 10 years ago
patcoyle "Thanks guys, sounds like more will be coming soon and we'll all welcome the results. Don, I think it would be very useful to have an an Arduino-ba..." | Read more » over 10 years ago
donblair "Hi Pat, Chris, Chris: it'd be good to grab any additional photos you have of the blimp -- we can post those in a research note soon, as well as de..." | Read more » over 10 years ago
cfastie "Pat, I agree that details of the construction of the HackrBlimp would be of interest. That blimp cost less than US$10 and performed very well in so..." | Read more » over 10 years ago
patcoyle "Nice work, all. It will be interesting to see the followup results. I was also interested in the details on: - construction of the HackrBlimp; is t..." | Read more » over 10 years ago
cfastie "My GPS is set to WGS 84. " | Read more » over 10 years ago
cschweik "Chris - fantastic work! Thanks for your labor and good thinking on this. My theory on the offset is that the GPS' could have been using different d..." | Read more » over 10 years ago
patcoyle "Wow, formidable workflow, but intriguing results.The plug-in showed up on Mac with Firefox and Safari. " | Read more » over 10 years ago
donblair "Update: I've linked to torrents of the image files (and instructions for downloading them) at the H20NUTZ wiki page, here: http://publiclab.org/wik..." | Read more » over 10 years ago