| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Wow, this is an exciting development. I had wondered about using red instead of blue, but your results are compelling. I also wonder if this would ..." | Read more » | about 11 years ago | |||
| warren | "Hi, can you post your raw Infragram image? So we can try? " | Read more » | about 11 years ago | |||
| warren | "Yeah, i think it's spambots. I looked through the logs and saw 89 requests for this page from one IP; i'm sure a lot of the others are similar, esp..." | Read more » | over 11 years ago | |||
| warren | "I know some people use the magnetic film from floppy disks, and I think i have some, if you want to try. " | Read more » | over 11 years ago | |||
| warren | "I'm really not sure where they're all from. I don't see anything in Google Analytics; i wonder if they're spambots, or what? Hey all -- speak up, w..." | Read more » | over 11 years ago | |||
| warren | "I guess i should've made all the labels colored so they show up :-P " | Read more » | over 11 years ago | |||
| warren | "Definitely the IR and vis are mixing unmeasurably, but I'm wondering if the blue card contributes to the sum amount of light being reflected in the..." | Read more » | over 11 years ago | |||
| warren | "http://www.dunnedwards.com/PaintingContractors/ExploreColor/OrderColorSamples.aspx shows "Beautiful Blue" and hundreds of other paint card options...." | Read more » | over 11 years ago | |||
| warren | "I love the theory that the blue card is flooding the blue channel to minimize or outweigh or "wash out" the infrared from that channel. I think tha..." | Read more » | over 11 years ago | |||
| warren | "Boo, television chroma key suppliers... i really do suspect they just sell blue paper as "chroma key" because they sell it in big enough rolls. I h..." | Read more » | over 11 years ago | |||
| warren | " " | Read more » | over 11 years ago | |||
| warren | "I guess the WB introduces a big unknown about the relative amounts of NIR vs visible light. One way the NIR and VIS might mix in blue is that perha..." | Read more » | over 11 years ago | |||
| warren | "I wonder if, although the absolute NDVI values seem not to be helpful, the images may still be able to distinguish between healthy and unhealthy ve..." | Read more » | over 11 years ago | |||
| warren | "Well, when the time comes, i'm happy to help you connect with others in the area who are using multispectral photography; there's a Boston-area mai..." | Read more » | over 11 years ago | |||
| warren | "Is this when you press the "run" button? Can you post which version of Chrome and which OS, and which expression you were using in Infragrammar? Ho..." | Read more » | over 11 years ago | |||
| warren | "Hi, David - exciting possibilities. Is there a place where blooms may be more common so you can do a proof of concept? Great to see you using Infra..." | Read more » | over 11 years ago | |||
| warren | "Chris, it occurs to me that we could try to come up with a way to generate an adaptation of NDVI based on a given un-white-balanced camera's photo ..." | Read more » | over 11 years ago | |||
| warren | "Maybe we should call our version of NDVI "INDVI" for Infragram-NDVI or something? Or BNDVI for Blue-NDVI? I'm loathe to make an already obscure acr..." | Read more » | over 11 years ago | |||
| warren | "Just updated with pix! " | Read more » | over 11 years ago | |||
| warren | "yes, thanks; unfortunately it never ended up working, but check out this update; we have some decent options now: http://publiclab.org/notes/warren..." | Read more » | over 11 years ago | |||
| warren | "Well, a common way to do hyperspectral is to just collect a whole row of spectra (y dimension is your row of pixels, x dimension is wavelength) and..." | Read more » | over 11 years ago | |||
| warren | "Have you attempted to do dual-camera red/IR photos? Or even just a regular visible-light photograph of the same worm to get the red channel? What ..." | Read more » | over 11 years ago | |||
| warren | "Time to begin scanning them with a spectrometer! Don't you think there ought to be more differentiation there? " | Read more » | over 11 years ago | |||
| warren | "Haha, lots of fun stuff is possible. Try JavaScript math functions: R:Math.pow(R,2) G:Math.pow(G,2) B:Math.pow(B,2) I'm making a docs page here: h..." | Read more » | over 11 years ago |