| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| silvanhi | "really intersting. i dont no how to make a lut but i'd love to have one. My idea is to mirror the values in the NDVIBlu2red.lut from NDVI 0 to 1 an..." | Read more » | about 10 years ago | |||
| cfastie | "Here is an NDVI image of your latest scene using a new lut I have been trying. I'll post a research note about this lut soon. " | Read more » | about 10 years ago | |||
| cfastie | "Silvan, Your new results look really good. You can probably improve on those settings for any particular scene, but it will require more trial and..." | Read more » | about 10 years ago | |||
| silvanhi | "Thanks Chris for your information. I tried the values from your note initially for the HSV formula but they didn't work out so good so I tried my..." | Read more » | about 10 years ago | |||
| cfastie | "Silvan, Okay, infraBlueNDVI.lut is the same as NDVIBlu2red.lut Infragram does not use the luts that are used in Fiji. Infragram uses its own look..." | Read more » | about 10 years ago | |||
| silvanhi | "Hi Chris, Thanks for your fast answer. 1.) Here is the infraBlueNDVI.lut; I think its quite the same as the NDVIBlu2red.lut 2.) Ok. I use from..." | Read more » | about 10 years ago | |||
| cfastie | "Hi Silvanhi, That's a gorgeous landscape. And a great subject for ndvi images. There are a couple of things I don't understand about your results...." | Read more » | over 10 years ago | |||
| theowallis | "Thanks for your comment, this is what I was afraid of; there is no relatively simple way to isolate specific wavelengths and furthermore if this wa..." | Read more » | over 10 years ago | |||
| cfastie | "That's a tough one. With the IR blocking filter removed, all three color channels (all pixels, regardless of which color array filter they are unde..." | Read more » | over 10 years ago | |||
| theowallis | "My second lens arrived today and I reluctantly performed the same procedure (with a slight difference) on it. I went out and bought a glass cutter ..." | Read more » | over 10 years ago | |||
| theowallis | "Yeah I'm stumped too. As you said, I can only think it's a loose element inside the remaining lens assembly. I've ordered another lens to repeat th..." | Read more » | over 10 years ago | |||
| mathew | "The sensor is screwed in straight to the lens assembly, so the issue must be some other focus hardware, or a loose piece inside the lense itself. I..." | Read more » | over 10 years ago | |||
| theowallis | "Nothing rattles when I shake the lens but reassembling the case (or any movement/vibration) alters the focus. I haven't installed a new filter yet...." | Read more » | over 10 years ago | |||
| cfastie | "theowallis, Did you add a new filter to replace the IR block filter? Where did you put it? Do you think it is the act of tightening the set screw ..." | Read more » | over 10 years ago | |||
| warren | "Hmm, i once saw this with a different camera, where the filter was helping to pressure the lens into place, and removing it let the lens rock back ..." | Read more » | over 10 years ago | |||
| theowallis | "Just a friendly warning for those of you looking to attempt this conversion, I did this last week, it wasn't too hard to smash the ir blocker out b..." | Read more » | over 10 years ago | |||
| cfastie | "@rway, Ned's plugin for Fiji has always been able to use any of the three channels for either the infrared or visible band when computing NDVI. So ..." | Read more » | over 10 years ago | |||
| rway | "Thanks. " | Read more » | over 10 years ago | |||
| warren | "rway - i'm not sure about the Photo Monitoring Plugin but you should ask on the infrared discussion list as Ned Horning (the developer) is there. H..." | Read more » | over 10 years ago | |||
| rway | "I am excited about this new camera. I recently purchased a DJI Phantom 2 with the intent of using it along with a modified Canon A2200 to shoot ae..." | Read more » | over 10 years ago | |||
| mathew | "I tried acetone, ethanol, and hot air, none moved the glue. " | Read more » | over 10 years ago | |||
| WhiteRabbit | "Would acetone or some other solvent dissolve the glue holding on the IR blocker so that it can be removed without shattering it? Is it known what ..." | Read more » | over 10 years ago | |||
| cfastie | "The only filter I tried that worked was Wratten 25A. Two blue filters worked poorly. @mathew has tried Rosco #19 which seems to work well. I don't ..." | Read more » | over 10 years ago | |||
| WhiteRabbit | "" I can try different filters to learn how to make the best plant health images." Which filters have you found that make the best plant health ima..." | Read more » | over 10 years ago |