radialmind 2 research notes and 2 wiki edits | Joined almost 6 years ago






Impact white balance & stretching on NDVI

by radialmind over 5 years ago | 10 | 231 views | 1


Comments and questions on NDVI

by radialmind over 5 years ago | 5 | 177 views | 2


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"Hi, I've also recently posted a research note on NDVI and wratten25 on a cmos sensor. Eventually I got my best results by underexposing slightly an..." | Read more » over 5 years ago
"Chris, thanks very much, those methods are easier. I think now it's time to redo some of the other tests re: the color balance. I want to see the ..." | Read more » over 5 years ago
"I can't seem to post photos in the comments, so here's some links to my dropbox. This time I dialed exposure down by -1.66. Then I calibrated white..." | Read more » over 5 years ago
"I agree. I think what the white balance does is basically a custom re-balancing of radiation levels which allows to get correct readings in the end..." | Read more » over 5 years ago
"Hi Chris, I keep on experimenting here. I got to see the effects of a grey card in sunlight with AWB. I got a nice lila, poison candy picture from..." | Read more » over 5 years ago
"I'm by no means an expert and my results here should be considered empirical and amateur. If the ratio of the amount of radiation between visible a..." | Read more » over 5 years ago
"More specific information: http://flightriot.com/ndvi-white-balance-observations-with-cmos-sensors-canon-sx230/ " | Read more » over 5 years ago
"Well, reading up on the effect of shadows on NDVI, it certainly doesn't come as a surprise anymore. Here's a page demonstrating C3 technology: htt..." | Read more » over 5 years ago
"Chris, thanks for the kind words. Do you see or would you expect noticeable differences with CMOS vs. CCD? and if so, would you expect them to cont..." | Read more » over 5 years ago

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