| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| arslanshahamazon | "Hi @jdetka, White balance is an important setting in photography and videography that ensures that the colors in your images appear accurate and tr..." | Read more » | almost 2 years ago | |||
| arslanshahamazon | "White balance is an important setting in photography and videography that ensures that the colors in your images appear accurate and true to life. ..." | Read more » | almost 2 years ago | |||
| arslanshahamazon | "White balance is an important setting in photography and videography that ensures that the colors in your images appear accurate and true to life. ..." | Read more » | almost 2 years ago | |||
| bhamster | "Hi @jdetka, this question by @patalbright and the comments section might have some tips to try: How to find the sweet spot for manual white balance..." | Read more » | over 2 years ago | |||
| juavito47 | "Hi, could I use this approach to detect insect pest on crop fields? My idea is to use drones to monitor the area, but my questions is : the insects..." | Read more » | about 4 years ago | |||
| shilpashetty | "I like your blog so much it is so Call Girls in Mumbai good it is very informative and good thank you. " | Read more » | about 4 years ago | |||
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| patalbright | "Thanks, I will try to add an IR spotlight (used also in security camera settings) to add more IR light to this NDVI setup. Has anyone experience wi..." | Read more » | about 4 years ago | |||
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| amirberAgain | "Yes, you are correct that incandescent lamps are far less efficient than LEDs. You should be able to find LEDs centered around 740mn, try looking a..." | Read more » | about 4 years ago | |||
| cfastie | "As amirberAgain says, illuminating the plants with a balance of NIR and visible light similar to sunlight will make interpretation of the NDVI resu..." | Read more » | about 4 years ago | |||
| patalbright | "Thanks @amirberAgain My full spectrum LED lamp produces some light in the IR spectrum as well. However, I do not want to have a too high intensity..." | Read more » | about 4 years ago | |||
| amirberAgain | "My experience with broad illumination for spectral imaging is to prefer an incandescent type lamp, sometimes with a blue LED in addition to that. H..." | Read more » | about 4 years ago | |||
| patalbright | "Hi @amirberAgain, thanks for sharing this. You are absolutely correct - I use an LED with a sunlike spectrum but it is a bit weak on the NIR side o..." | Read more » | about 4 years ago | |||
| amirberAgain | "Hi @patalbright, A couple of things 1. Use whit Styrofoam as a reference white, try to find one that's Matt and not glossy. 2. The light source you..." | Read more » | about 4 years ago | |||
| patalbright | "Thanks a lot liz, it is a super interesting project for me and makes a lot of fun! Happy to get additional insights from your end if there is anyth..." | Read more » | about 4 years ago | |||
| liz | "Super excellent documentation! CC @cfastie " | Read more » | about 4 years ago | |||
| patalbright | "Hi Petter Thaks a lot for your comment, glad to have followed a similar approach as you did! Of course I also checked our post on this topic Link a..." | Read more » | about 4 years ago | |||
| petter_mansson1 | "Hello Patrick, Seems like we have had a similar approach using the PiNoIR camera. I went with the same approach as you. Trying to adjust the awb ..." | Read more » | about 4 years ago | |||
| mohammed786 | "I really like this post, and good to know this kind of information. Thanks " | Read more » | over 4 years ago | |||
| mfb | "That's good advise regarding exposure. It took me a while to realise that the same basic rules apply to NIR, like having the sun behind the camera ..." | Read more » | over 4 years ago | |||
| cfastie | "Your photo is a little dark, and proper exposure is important to get meaningful NDVI results. Your photo produces reasonable NDVI results with som..." | Read more » | over 4 years ago | |||
| mfb | "Hi Sam Did you try interning numbers into the 'red' box on instagram? Some half convincing NDVI looking effects were achieved by doing this but I ..." | Read more » | over 4 years ago | |||
| agentnightingale | "Hi Mike Thanks for your response. I double-checked but it looks like the white balance on the Rasberry PI NoIR is set correctly. If I turn it off,..." | Read more » | over 4 years ago |