| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "Parth, Good question. You might think that digital cameras were good examples of intelligent design, but they are more like living organisms which..." | Read more » | almost 9 years ago | |||
| Parth | "Hi Chris, Thanks for your quick response. I am little confusing with the NIR light bandwidth because of NIR light's band width is 700 to 900 nm a..." | Read more » | almost 9 years ago | |||
| cfastie | "Parth, Red filters like the Rosco #19 block most blue and green light, so the blue and green channels cannot receive the colors that they would no..." | Read more » | almost 9 years ago | |||
| Parth | "Hi Chris, Thanks for your response. I read the data sheet of rosco fire filter #19 and i think this filter is block blue and green light upto 550..." | Read more » | almost 9 years ago | |||
| cfastie | "Parth, Most photos taken by DIY NDVI cameras cannot be converted directly to NDVI because the ratio of the visible and NIR values does not compute..." | Read more » | almost 9 years ago | |||
| Parth | "Hi Chris, Thank you very much for kind response. I converted various plant's images into NDVI index as per your suggestion for infragram standard..." | Read more » | almost 9 years ago | |||
| cfastie | "Hi Parth, There are a lot of options at infragram.org, so it's not easy to find the most sensible way to process a photo. I made the NDVI image be..." | Read more » | almost 9 years ago | |||
| Monoxyde | "Hi Parth, I agree with Chris, also it seems to me to see that the camera has a problem focusing. If you do not get images in focus, it could be th..." | Read more » | almost 9 years ago | |||
| cfastie | "Hi Parth, The primary difference between your two photos is exposure. The bright one is overexposed. If there is software that allows you to contr..." | Read more » | almost 9 years ago | |||
| warren | "Oh wow, great find! " | Read more » | over 9 years ago | |||
| patcoyle | "Thanks Jeff, I've got these on order as well as as a few of these 36" ones: http://www.balloonsdirect.com/catalog/solid-color-foil-mylar-balloons/s..." | Read more » | over 9 years ago | |||
| warren | "Ah, cool! I found them for $1.29 each here: http://www.amazon.com/gp/product/B003WL7ZQ6 I bought two, but maybe three is a good idea in case 2 won..." | Read more » | over 9 years ago | |||
| patcoyle | "Jeff, absolutely. Sorry I didn't see this or the notification. What's the source to purchase? " | Read more » | over 9 years ago | |||
| warren | "Hi Pat! I have these very cheap and light 18" mylar balloons, and was wondering if two of them would lift a mobius. Obvious advantages: fits in c..." | Read more » | over 9 years ago | |||
| patcoyle | "The description of the rig I used is described in the videos in this playlist. Hope this helps. It's just in early prototyping, so suggestions are ..." | Read more » | over 9 years ago | |||
| eustatic | "Yeah, i agree that having a more regular mobius lens would improve stitching. Liz has recently done a bunch of fisheye NIr maps, and may also have ..." | Read more » | over 9 years ago | |||
| ajawitz | "I'm very interested to hear how your setups work as they are very similar to mine. As I mentioned on one of your earlier notes, I posted some deta..." | Read more » | over 9 years ago | |||
| eustatic | "Could you run barrel distortion on the photomerge instead of batch processing each individual image? on second thought, it'd be more like a spheri..." | Read more » | over 9 years ago | |||
| eustatic | "sweet cup rig have you all seen that there's a waterproof case for mobius action cams that includes a heat disperser? i'm sure it costs as much ..." | Read more » | over 10 years ago | |||
| ajawitz | "Yeah, I figured underwater light plays by a whole new set of rules. So much remains to be learned that it could easily get overwhelming. Underwate..." | Read more » | over 10 years ago | |||
| mathew | "This is super cool! I'd consider taking photos without any filter in the camera-- the #19 Fire will probably not be helpful. UV is the light that p..." | Read more » | over 10 years ago | |||
| eustatic | "waay coool " | Read more » | over 10 years ago | |||
| patcoyle | "Neat stuff! " | Read more » | over 10 years ago | |||
| ajawitz | "I'd definitely like to learn more about optical windows. I was actually preparing for something very similar to what you suggest since I didn't exp..." | Read more » | over 10 years ago |