| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| rs806 | "Okay thanks Ned! I had been wondering about the structure of the csv file since, judging from the script, it had quite a few columns of information..." | Read more » | about 7 years ago | |||
| nedhorning | "The CSV file for the R script is different form the table in the "Improved DIY NIR camera calibration" post. The CSV file has the reflectance value..." | Read more » | about 7 years ago | |||
| rs806 | "@nedhorning Hello Ned thank you for posting the R script. I'm finding it helpful to understand the process by going through the script itself. I wa..." | Read more » | about 7 years ago | |||
| JacobNederend | "@nedhorning Today I rescued an old light source and integrating sphere from the scrap heap on campus. I don't think the light source is a monochrom..." | Read more » | about 8 years ago | |||
| nedhorning | "Several years ago I was thinking of how to build a DIY integrating sphere/monochromator setup but never pursued it. You would want something other ..." | Read more » | over 8 years ago | |||
| JacobNederend | "http://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-1-W4/207/2015/isprsarchives-XL-1-W4-207-2015.pdf This paper has a method for det..." | Read more » | over 8 years ago | |||
| warren | "Each ```` has to be on its own line, then it should work. Thanks, Ned! " | Read more » | almost 9 years ago | |||
| nedhorning | "I posted it on GitHub GIST: https://gist.github.com/nedhorning/f384d9afcc043741def3 " | Read more » | almost 9 years ago | |||
| warren | "Hmm, I think I need a username too? To post formatted code, you can use four ` characters -- ```` on lines before and after your code, and it'll d..." | Read more » | almost 9 years ago | |||
| nedhorning | "Hi - I actually thought I posted this a few days ago but for some reason I guess it didn't work. Now when I post it I see that the comments are int..." | Read more » | almost 9 years ago | |||
| geraldmc | "Very helpful Ned, thanks! I'd also appreciate seeing your R script. " | Read more » | almost 9 years ago | |||
| warren | "I'd love to see the R script. How do you recommend people select a value for redGamma or percentBlue? " | Read more » | almost 9 years ago | |||
| nedhorning | "Hi Jeff - I'm not sure what math you are looking for. For the gamma correction I use: The first step is to remove the effect of the gamma correcti..." | Read more » | almost 9 years ago | |||
| warren | "Hi Ned - this is great. If you post the math, I'll try to port it to Infragram as well. Great work! " | Read more » | almost 9 years ago | |||
| nfliu | "Cannot log in with my old account. Thank you very much for your reply and suggestions. I think you well explained what I am confused about. Yes, I ..." | Read more » | almost 9 years ago | |||
| nedhorning | "Hi Nanfeng, I'm not certain why the results look the way they do but I have a feeling that it could be a result of doing pixel-by-pixel comparison..." | Read more » | almost 9 years ago | |||
| Nanfeng | "Also, I put three figures to show the raw (i.e., bayer), jpg images and the jpg-raw DN correlation. " | Read more » | almost 9 years ago | |||
| Nanfeng | "Hi Ned, This is a really nice work. I have a couple of questions about the conversion between the DNs of JPEG images and that of raw images. The F..." | Read more » | almost 9 years ago | |||
| zamudio | "Ned, I have been working in the spectrometry field for many years and have been involved in calibrating various hyperspectral sensors. I plan on us..." | Read more » | over 9 years ago | |||
| nedhorning | "Chris - I want to test to see how well calibration transfers between cameras and also between different camera settings and incident light (clear v..." | Read more » | almost 10 years ago | |||
| cfastie | "Those regressions look really encouraging. I guess if I took some photos with my own A2200 and Wratten 25A filter (the same model and filter type y..." | Read more » | almost 10 years ago | |||
| patcoyle | "Thanks for all the work you are doing to improve this approach. " | Read more » | almost 10 years ago |