pin:question:infragram-challenges
pin:question:infragram-challenges


Author Comment Last activity Moderation
tats_daniel "Hi Chris, I am experiencing the same problem with my NDVI values. Can you help on how you manipulated the red channel to resolve the issue. Thanks " | Read more » 9 months ago
nickyshen0306 "Thank you for your helping hands!! " | Read more » over 3 years ago
cfastie "The inexpensive red and blue filters used in DIY single camera NDVI systems typically block most green light. So the camera's green channel capture..." | Read more » over 3 years ago
cfastie "It will always be difficult to know for sure to what degree the red channel is contaminated by NIR. It might be worthwhile making an estimate. For ..." | Read more » about 4 years ago
Anice "Thank you for your immediate response Chris. This is very helpful! Regarding modifying the values in the red channel of the aerial photos, I have ..." | Read more » about 4 years ago
cfastie "Although the absolute values you computed for NDVI are lower than they should be, it appears that your process is successfully discriminating betwe..." | Read more » about 4 years ago
cfastie "Most cameras will work for indoor, close-up photography. Most cameras will focus on subjects a few feet away. A typical inexpensive consumer consum..." | Read more » over 4 years ago
cfastie "Most cameras will work for indoor, close-up photography. Most cameras will focus on subjects a few feet away. A typical inexpensive consumer consum..." | Read more » over 4 years ago
cfastie "The editing system is not working today, so I put an answer in a comment. " | Read more » over 4 years ago
warren "There's a fantastic amount of great information and guidance on this topic by @nedhorning at: ndvi-calibrate [notes:ndvi-calibrate] " | Read more » over 5 years ago