| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "The "WB 0%" photos seem to produce the most meaningful NDVI images for this subject. The photo has a pale version of the turquoise color for plant ..." | Read more » | over 4 years ago | |||
| cfastie | "The "histogram" is a frequency distribution of brightness values (DNs, 0-255) for all of the pixels in a photo, in this case for one color channel...." | Read more » | over 4 years ago | |||
| ThomasTaufan | "This is the original image This is taken with WB 0% This is taken with WB 25% This is taken with WB 50% This is taken with WB 75% This is..." | Read more » | over 4 years ago | |||
| ThomasTaufan | "I have done white balancing manually with the range from the left to the right I defined as 0% - 100%. This is taken with WB 0% This is taken w..." | Read more » | over 4 years ago | |||
| ThomasTaufan | "The histogram of one of the channels was probably stretched (one or more extreme points at either end removed and the rest stretched to fill the 0-..." | Read more » | over 4 years ago | |||
| cfastie | "I used the standard NDVI equation. The histogram of one of the channels was probably stretched (one or more extreme points at either end removed an..." | Read more » | over 4 years ago | |||
| ThomasTaufan | "I have successfully used your color map, but the result is different. What is the equation of NDVI that you used? " | Read more » | over 4 years ago | |||
| cfastie | "Is it by trial and error until the color of plant is like the one you provided? Yes, that would be a good way to do it. What the camera is pointed..." | Read more » | over 4 years ago | |||
| ThomasTaufan | "How can I use your colormap in MATLAB? Thanks Chris " | Read more » | over 4 years ago | |||
| ThomasTaufan | "Many cameras have a feature that allows a custom white balance. If the software for your camera does not allow this, it is not an option for you. ..." | Read more » | over 4 years ago | |||
| cfastie | "What should I do to this pictures to improve the NDVI calculation? There is not much that can be done after the photo is taken to improve its abil..." | Read more » | over 4 years ago | |||
| asoamarachi | "Cool stuff here! Thanks for your response! @kgradow1 I think an 8th question will be helpful too, if anybody thinks they can provide some feedbac..." | Read more » | over 4 years ago | |||
| wln215 | "I believe the NoIR Camera has an upper limit of 909 nm. I can't find the source of this info, but I wouldn't expect teh IMX-219 sensor on board wil..." | Read more » | over 4 years ago | |||
| liz | "awesome! looks like you already closed this issue, but i'm not sure if mapknitter.org may or may not be already reflecting the update. Please let u..." | Read more » | over 4 years ago | |||
| emash | "Thank you so much for this feedback! " | Read more » | over 4 years ago | |||
| warren | "Just following up with a link to the GitHub issue for ordering! https://github.com/publiclab/mapknitter/issues/1328 " | Read more » | over 4 years ago | |||
| warren | "Just following up - i see that: it seems that re-ordering manually does not result in a different request being sent to the export system; when I..." | Read more » | over 4 years ago | |||
| warren | "Ah, just responding here too - i believe we actually want a LOWER number than 70 cm/px -- in my response to the other comment and in https://public..." | Read more » | over 4 years ago | |||
| warren | "Hi, just responding to the stalled exports issue; @icarito is right that we are still trying to add more error reporting so this is not as mysterio..." | Read more » | over 4 years ago | |||
| warren | "Hi, just chiming in here - the project Gabi led at the Barnraising was based on this great project by Dhruv Mehrotra, sorry it took me a min to fin..." | Read more » | over 4 years ago | |||
| kgradow1 | "1) What is your workflow? I typically only write on PL when I am actively working on projects, since that's when I'm on the site and paying attent..." | Read more » | over 4 years ago | |||
| kgradow1 | "My understanding -- based on very limited reading! -- is that remote sensing solutions are mostly geared toward oil sheens on water and won't be pa..." | Read more » | over 4 years ago | |||
| liz | "Thank you so much for your detailed reporting and perseverance! Tuesdays are currently our day to prioritize code issues and i will bring this up t..." | Read more » | over 4 years ago | |||
| pataxte | "Good question @liz ! I did this and the order in which the images are selected does not make a difference, at least in this case the result is alwa..." | Read more » | over 4 years ago |