| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| funkycbj | "A blue filter should be an acceptable alternative to a red filter when measuring vegetation if the spectral response of the blue filter is sensitiv..." | Read more » | over 10 years ago | |||
| nedhorning | "Thanks for the comments Chris. I would be a little cautious drawing more than very broad conclusions at this point. The reflectance values for the ..." | Read more » | over 10 years ago | |||
| cfastie | "Ned, This is really good data. The primary result seems to be that the calibration procedure works incredibly well. Similar NDVI results are produ..." | Read more » | over 10 years ago | |||
| nedhorning | "Thanks for the comments Chris. I might have overstated the influence that different shutter speed, aperture and ISO could affect NDVI but I expect ..." | Read more » | over 10 years ago | |||
| cfastie | "Ned, This is a substantial advance, and an excellent explication of it. I like your statement of the problem – that what we have been doing with th..." | Read more » | over 10 years ago | |||
| patcoyle | "Ned, This looks very interesting in getting at ways to make NDVIs that are quantitatively comparable. I'll keep following it. Kudos to you for this..." | Read more » | over 10 years ago |