| 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | about 3 years 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 » | over 9 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 » | over 9 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 » | over 9 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 » | over 9 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 9 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 9 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 9 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 9 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 9 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 9 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 9 years ago | |||
| aguchosolano | "Interesting results..I wonder why around one of the cars it is also green " | Read more » | about 10 years ago | |||
| patcoyle | "Tried it, see Flikr images of results at: https://flic.kr/s/aHsk6uLNsu " | Read more » | about 10 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 » | about 10 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 » | about 10 years ago |