| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "Ok-- I have the ROSCO Fire filter and several others in my swatch booklet. Going to run tests tomorrow, and try digging into the white balance pre..." | Read more » | about 10 years ago | |||
| mathew | "I'm matching your process from here- got to go grab the rosco filter packs from storage, but I just printed up that beautiful mount. " | Read more » | about 10 years ago | |||
| mathew | "Nice writeup, thanks Chris. I like the tip on focusing, hadn't tried that. " | Read more » | about 10 years ago | |||
| patcoyle | "Very nice use of 3D design and printing for a specific one-off project. Exemplary. " | Read more » | about 10 years ago | |||
| mathew | "this is really cool. I made mine out of paper and tape " | Read more » | about 10 years ago | |||
| mathew | "I'm surprised at the IR passing of the Powershot. nice research. really should buy some of those NIR LEDs myself. " | Read more » | about 10 years ago | |||
| marktheardvark | "Actually, it seems to be possible to remove the filter coating (which should only be a few microns thick) on the new versions. After removing the ..." | Read more » | about 10 years ago | |||
| donblair | "Yeah! It's fun to picture this device being used in the mode of an old-fashioned 'light meter' held next to an infragram camera and which accounts..." | Read more » | about 10 years ago | |||
| warren | "wow, sweet -- i wonder if this could also be used to calibrate NDVI with a more absolute brightness measure. Ned would know more about this... " | Read more » | about 10 years ago | |||
| santizion | "Thanks Chris, now I have it!. Santiago " | Read more » | over 10 years ago | |||
| cfastie | "Santiago, You can download that look up table at this page; http://publiclab.org/wiki/photo-monitoring-plugin. Copy it into the luts subdirectory i..." | Read more » | over 10 years ago | |||
| santizion | "Andres, de que parte de argentina sos? Podriamos contactarnos asi nos damos una mano te parece?, Saludos " | Read more » | over 10 years ago | |||
| santizion | "Markdown Hi guys, I´ve been reading this posts and they are very helpfull for me as well, but I am having some problems also with the PhotoMonitori..." | Read more » | over 10 years ago | |||
| santizion | "no te preocupes, preste un poco de atención y estamos en la misma...jaja! te paso mi mail asi nos contactamos y nos damos una mano, yo estoy con un..." | Read more » | over 10 years ago | |||
| santizion | "Andres, a quick question? Where are you from? Santiago " | Read more » | over 10 years ago | |||
| cfastie | "I think most small Powershots use an IR block filter that is 8.9 x 7.9 mm. That's the advertised size of the BG3 glass filter I put into an A2200 a..." | Read more » | over 10 years ago | |||
| ttaylor | "Chris, do you remember/know the dimensions of the A2200 hot filter? " | Read more » | over 10 years ago | |||
| ttaylor | "Ned, each "red" pixel in a 2x2 block typically has an intensity about 50% bigger than the either of the two "green" pixels in the same block. The t..." | Read more » | over 10 years ago | |||
| nedhorning | "Nice post. It would be neat to characterize some of these cameras. I made a half-hearted attempt a while back to access the necessary equipment but..." | Read more » | over 10 years ago | |||
| ecta64 | "thank you very much for posting those sources. I will take a look at them. I appreciate the help. " | | over 10 years ago | |||
| cfastie | "These seem to be rather obscure indices that have very specific uses. Because satellite data always includes an NIR band, and because NIR provides ..." | | over 10 years ago | |||
| ecta64 | "that's exactly the information I was looking for. It made sense for a fake infrared photograph to not be ideal for a proper index but at least now ..." | | over 10 years ago | |||
| cfastie | "The Infragram Sandbox allows several different types of analysis, so it's hard to evaluate your image above without knowing what analysis produced ..." | | over 10 years ago | |||
| bjornbrooks | "Cool. No doubt as you know NDVI is equivalent to (NIR - Red) / (NIR+Red), where Red is the 0.6-0.7 micrometer band and and NIR is the 0.7-1.1 micro..." | | over 10 years ago |