| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Hey just bumping this back up -- using Infragram.org Mathew L and I did a quick re-try on this, using the expression ((R-B)/(R+B))*-1 in the Hue fo..." | Read more » | almost 11 years ago | |||
| warren | "Wow, those images and the explanation are crystal clear, thank you. Based on what you've learned, what suggestions would you have for improvements ..." | Read more » | almost 11 years ago | |||
| warren | "Amazing! You should rectify the concentrator photo and contact them... i bet they don't have as up to date an image as you took! " | Read more » | about 11 years ago | |||
| 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'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 | "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 | "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 | |||
| warren | "Wow, fantastic. I also think that the new interface quickly exposes that my guess that this camera was producing some photosynthetically-based diff..." | Read more » | over 11 years ago | |||
| warren | "BTW, this post is now the 7th most popular research note (by view count) on the site! " | Read more » | over 11 years ago | |||
| warren | "Another way to approach this is to standardize everything as much as possible, so it follows a well-described, simple, standard process, which we c..." | Read more » | over 11 years ago | |||
| warren | "My best hypothesis right now is that it's related to the Bayer filter in the camera itself, so I'm hoping to order more different cameras and find ..." | Read more » | over 11 years ago | |||
| warren | "Well, definitely WB is an element, but what seems to be the big thing is that on these cheaper cameras (with the exception of the one Stewart teste..." | Read more » | over 11 years ago | |||
| warren | "Yeah, that guy's been on the infrared mailing list a lot recently (http://publiclab.org/wiki/mailing-lists) and it's great to see his results. Stil..." | Read more » | over 11 years ago | |||
| warren | "Maybe this and Liz's could be combined into one update on KS? Because there's not a lot of background or context on either, that's what'll really t..." | Read more » | over 11 years ago | |||
| warren | "The idea of using green for visible light isn't nearly as good as blue or red... but Chris is right, the green channel doesn't seem to leak as much..." | Read more » | over 11 years ago | |||
| warren | "Re: option 3, i was half-heartedly thinking of making a second Bayer filter by photographing a checkerboard on film and printing lots of negatives,..." | Read more » | over 11 years ago |