response:8261
response:8261


Author Comment Last activity Moderation
cfastie "Oh, you're right. The older lut used in the images above can be found here: https://publiclab.org/wiki/photo-monitoring-plugin " | Read more » over 6 years ago
plnedestroyer "the file in that one shows a different Lut than the one you are using in these images " | Read more » over 6 years ago
cfastie "The lut file for use in Fiji is available for download here: https://publiclab.org/notes/cfastie/08-26-2014/new-ndvi-colormap In a comment to that..." | Read more » over 6 years ago
plnedestroyer "Okay I have everything ready to go but I have to ask you for the LUT file that you are using for your image then I'm set! " | Read more » over 6 years ago
plnedestroyer "okay, yeah I understand it way better now, I just need to figure out how to get the LUT on it, that was my main confusion, well and still is a bit,..." | Read more » over 6 years ago
cfastie "What Fiji does is a bit confusing. In a normal histogram the x-axis is brightness so 0 (at the left end) is black and 255 (at the right end) is max..." | Read more » over 6 years ago
plnedestroyer "Ah okay got you, I was ultra confused,but how would that work, since its only putting the values on the histogram as just the brightness of the pix..." | Read more » over 6 years ago
cfastie "Fiji made that histogram of the color NDVI image. The NDVI image is not an RGB color image (it is a single channel image with a color look up table..." | Read more » over 6 years ago
plnedestroyer "where can I find how to do so, I looked through the tutorials and did not find anything on making custom histograms, I am able to make a b&w hi..." | Read more » over 6 years ago
cfastie "I used Fiji (ImageJ) to make the histograms of the NDVI images. Fiji will make a couple of different kinds. " | Read more » over 6 years ago
plnedestroyer "@cfastie did you use a plugin to get the color histogram for the ndvi, because I am creating ndvi images from infrared but I need a histogram from ..." | Read more » over 6 years ago
plnedestroyer "alright thanks guys, I will try it " | Read more » over 6 years ago
imvec "Ey @plndestroyer you can find some Fiji (ImageJ) video tutorials here ;) https://publiclab.org/notes/xose/12-06-2016/afloss-collection-of-tutorials " | Read more » over 6 years ago
cfastie "The histograms were made with Fiji: http://imagej.net/Fiji/Downloads " | Read more » over 6 years ago
plnedestroyer "im talking about the histogram for the infrablue, so I can make a histogram from an image " | Read more » over 6 years ago
cfastie "The only files used here are the photos themselves. You can right click and "open in new tab" and then "save image as" to get these images. " | Read more » over 6 years ago
plnedestroyer "where might I find files for this, I am needing it to create data for a science project, I would also like to keep in contact via email or other me..." | Read more » over 6 years ago
warren "Wow, fantastic. I also think that the new interface quickly exposes that my guess that this camera was producing some photosynthetically-based diff..." | Read more » over 10 years ago
cfastie "That's really good. I think people will appreciate the explanations. Nice clone of the color table. Maybe if it goes from yellow to magenta instead..." | Read more » over 10 years ago
donblair "Hi Chris -- great stuff! Changed the color bar in an attempt to match yours (haven't yet implemented the max / min values, yet), and added some ex..." | Read more » over 10 years ago
cfastie "The blue channel display is a good addition. It is not only a good diagnostic, but it helps everybody understand how the whole infrablue thing work..." | Read more » over 10 years ago
donblair "Chris -- I'm looking into generating the color table you're using -- it does indeed nicely distinguish above- and below-zero NDVI values -- and I'l..." | Read more » over 10 years ago
cfastie "Another good diagnostic tool for the Infrapix app could be display of a grayscale image of the blue channel of the infrablue photo. For example, th..." | Read more » over 10 years ago
cfastie "I think the new consistent relationship between NDVI values and color is good. If this causes some infrablue photos to produce boring (all the same..." | Read more » over 10 years ago