| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "GIS programs are really good at doing that kind of spatial analysis. If you give them the appropriate information, they can scale and correct the a..." | Read more » | over 9 years ago | |||
| RonGeorge | "Very interesting post. How can one take this a step further and analyze the % green areas that correspond to greenery? For example, the output woul..." | Read more » | over 9 years ago | |||
| cfastie | "I think any camera could allow you to estimate how thick ice is, if you can put the ice between the camera and the light source. The thicker the ic..." | Read more » | over 9 years ago | |||
| kugiel | "with this camera can I see how deep is ice? " | Read more » | over 9 years ago | |||
| jtuhtan | "Hi, I've updated the YouTube link, should work now. Contacted Jeff regarding the implementation in the Infragram.org site to see what he thinks... ..." | Read more » | over 9 years ago | |||
| cfastie | "Jeff, It was the other Jeff (Warren) who must have added the new colormap at infragram.org. I assume some differences snuck in during the manual tr..." | Read more » | over 9 years ago | |||
| jtuhtan | "I've checked the javascript from the Infragram.org site and could not see any image preprocessing from what was there, the NDVI index was calculate..." | Read more » | over 9 years ago | |||
| theowallis | "Thanks for your reply Chris! " | Read more » | over 9 years ago | |||
| jtuhtan | "The Fastie colormap was already implemented in infragram.org, so I can't take any credit there! What I am wondering is why there seems to be a shi..." | Read more » | over 9 years ago | |||
| cfastie | "Wow, I didn't know there was a Fastie colormap at Infragram.org. I think it will need a new name (How about VGYR for violet green yellow red?). I g..." | Read more » | over 9 years ago | |||
| cfastie | "Theo, I have gotten that error too, even when using my own pairs of simultaneous photos (I think the cameras' clocks were way off). I forget what I..." | Read more » | over 9 years ago | |||
| theowallis | "Hi I am trying to process two images in Fiji, one raw infrared, one visible spectrum. When choosing the two image files from which to create a tex..." | Read more » | over 9 years ago | |||
| cfastie | "I don’t quite understand how this subtraction would work. When using a red filter, we expect the blue channel to record mostly near infrared light ..." | Read more » | over 9 years ago | |||
| jtuhtan | "Great colormap! I am using MATLAB to calculate and create images based on the Infragram Point and Shoot (modified Mobius). When I compare my images..." | Read more » | over 9 years ago | |||
| nedhorning | "Hi Alan, That sounds good. The first thing your son will realize is that I'm not a very talented programmer. I'm traveling until early next week b..." | Read more » | over 9 years ago | |||
| alanw | "Actually, Fiji needs as CSV file to work on. So, I copied and pasted your text file into EXCEL and deleted the top line. Each column in your text..." | Read more » | over 9 years ago | |||
| cfastie | "Here is a tab delimited file of the new lut: NDVI_VGYRM-lut.txt Will Fiji make a lut file from this? " | Read more » | over 9 years ago | |||
| alanw | "Greetings, Just post the CSV file for the gradient. It is easy enough to create the LUT file. " | Read more » | over 9 years ago | |||
| alanw | "Hi Ned, I have a son who is a pretty good programmer and knows Java. I talked to him and he is seeing if he can use your plugin and add a piece to..." | Read more » | over 9 years ago | |||
| amysoyka | "The colour ranges of retinal cones are: Blue-Yellow Red-Green Light-Dark In photography: The subtractive colour spectrum (start by calibrating Whi..." | Read more » | over 9 years ago | |||
| nedhorning | "Hi - At this point the plugin does not subtract the NIR from the red. I've been doing this subtraction as part of my calibration tests: http://publ..." | Read more » | over 9 years ago | |||
| aswicks | "Ned, Using a red filter, does the plugin subtract the blue (NIR) band from the red (red + NIR) to get a red band and then do the NDVI & DVI mat..." | Read more » | over 9 years ago | |||
| nedhorning | "When I created the images above I scaled the output so and NDVI or DVI values less than 0 were set to 0. To include the full range of possible valu..." | Read more » | almost 10 years ago | |||
| sabinozootec | "The images created on ImageJ/Fiji generate values from -1 to 1, although being in the range from 0 to 1. Creating images as figures 0-1? " | Read more » | almost 10 years ago |