photomonitoring
photomonitoring


Author Comment Last activity Moderation
jeffa_plain "Yeah, I plan to use a point-and-shoot camera next (preferably one with optical zoom) so I can get proper NDVI imaging done. other than that, thank ..." | Read more » 12 months ago
warren "Yes, i agree there is some infrared data showing in the trees, and I do think it's possible to get useful info out. Just be aware that the dynamic ..." | Read more » 12 months ago
jeffa_plain "I did indeed remove the IR lens from this! Thats why I bought the GoPro 3+ Silver because that's the only GoPro 3 that has an easily removable lens..." | Read more » 12 months ago
warren "I think if you got closer in white balance in pre-configuring the GoPros, you can probably un-boost the blue channel some more and get better disti..." | Read more » 12 months ago
jeffa_plain "I was kinda hoping that this would be as simple as inverting the color scale at the bottom but nothing that simple with stuff like this haha. From ..." | Read more » 12 months ago
warren "Hi, I think you're right that you need to adjust the white balance, and you can learn more about how that works here: https://publiclab.org/notes/w..." | Read more » 12 months ago
jeffa_plain "I'm not sure where I would use the (1-R), I just tried it and I didn't get anything that was useable. all that needs to happen it seems is the resu..." | Read more » 12 months ago
jeffa_plain "From the research ive done since making this post, I think it may be because I cannot adjust the white balance on a GoPro, both of the images are r..." | Read more » 12 months ago
warren "Hmm, interesting, can you share your original images? I think we might just be able to do (1-R) instead of (R) or something, for some of the values. " | Read more » 12 months ago
DarylWM "I appreciate your thoughts Chris and Ned. For interest, I obtained a much better result (i.e. better registration) when I cropped the RGB and NIR ..." | Read more » about 7 years ago
nedhorning "There have been a few requests over the years to add the capability of outputting different numbers of bands along the lines of what Chris mentione..." | Read more » about 7 years ago
cfastie "That pink hash is pretty cool. The hash pattern is present in the black background of both the NIR and VIS mosaics. So if you could change that to ..." | Read more » about 7 years ago
DarylWM "Thanks for your work on the plugin Ned. I've been experimenting with it to create an NDVI mosaic from 148 aerial images taken with a custom dual-ca..." | Read more » about 7 years ago
nedhorning "I made some progress with the plugin. I think I fixed the error related to creating the image pair list and RGB image error. I'm still working on c..." | Read more » over 7 years ago
nedhorning "Hi Rich - I'll look into this. I think I know what the problem is but the fix isn't easy. Dealing with the EXIF data has been a bit of a nightmare...." | Read more » over 7 years ago
RichVis "Yes Ned. This is a great added capability to maintain the georeferencing i work hard for. :-) The RAW 16bit Tif dual image use capability seems t..." | Read more » over 7 years ago
patcoyle "Thanks Ned, this is a very nice capability to have added. As I demonstrated with this note: http://publiclab.org/notes/patcoyle/03-23-2015/using-th..." | Read more » over 7 years ago
azaelb "Thanks Chris for your comments. "Part B" of these tests is to attach the red filter to the key chain camera instead of the blue one. I have two of ..." | Read more » over 7 years ago
cfastie "Hi azaelb, I was not able to get very meaningful NDVI images from a Mobius ActionCam key chain camera modified with a blue filter. A red filter wo..." | Read more » over 7 years ago
azaelb "I am doing about the same thing as you: use small quadcopters with small cameras with red/blue filters to analyze NDVI for small farmers. I posted ..." | Read more » over 7 years ago
aguchosolano "Interesting results..I wonder why around one of the cars it is also green " | Read more » almost 8 years ago
patcoyle "Tried it, see Flikr images of results at: https://flic.kr/s/aHsk6uLNsu " | Read more » almost 8 years ago
patcoyle "Haven't tried it, but this site discusses how to Correct Fisheye in GIMP http://classroom.synonym.com/correct-fisheye-gimp-19646.html " | Read more » almost 8 years ago
eustatic "This looks really good, how do i translate the PTLens stuff into GIMP or BIMP, like the folks in Maine are posting about? " | Read more » almost 8 years ago