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Comments

Author Comment Last activity Moderation
LaPa "Hi, Elongo, I didn't reach the goal to measure health of plants most because Red Horning wrote me, by private mail, the that technique wasn't prope..." | Read more » over 3 years ago
LaPa "I removed, at the moment, the camera from the greenhouse. I took thousands of IR photos (every 10 minutes for more then a month) I got a movie ( h..." | Read more » about 5 years ago
LaPa "Thank all of you for the suggestions Maybe it is the wrong strumentation but i don't know: 1) If I buy your http://store.publiclab.org/products/de..." | Read more » about 5 years ago
LaPa "Thank you Nedhorning, nice to see your answers in the my research note! I'm reading your notes about calibration trying to understand more about ND..." | Read more » about 5 years ago
LaPa "If anyone in PublicLab has a spectrometer and can get the proper calibration targets I could buy it. " | Read more » about 5 years ago
LaPa "ok, THANKS all of you for the answers. I like that my research note elicits answers that can also affect other. I am interested to make experiences..." | Read more » about 5 years ago
LaPa "Hi, 1) unluckily I don't have access to a spectrometer 2) wich are the companies where I can buy a cheap Calibration targets? 3) may it be fine to ..." | Read more » about 5 years ago
LaPa "Thank you Chris, I'm going to read with the attention the Ned Horning's note that you link! Have a good day! LaPa " | Read more » about 5 years ago
LaPa "Hi, could it be a good idea to choose as calibration target the bare soil area that is in each (thousands) photos? Best regards LaPa " | Read more » about 5 years ago
LaPa "1) Could be a good idea put the calibration targets of known spectral reflectivity in Greenhouse to include in the photos ? 2) Where can I get the..." | Read more » about 5 years ago
LaPa "Thank a lot all of you for the consideration and the suggestions! Chris, sincerely I didn't understand from your reply if you consider my directio..." | Read more » about 5 years ago
LaPa "I'm happy for this my first step in NIR and NDVI photograph! Maybe you know but ..... 1) I use not a real camera but a computer board (Raspberry Pi..." | Read more » over 5 years ago
LaPa "HI, What do you think about my last test? NoIR modulo cam+blue filter, WBgain red = 0.88 and WBgain blue = 0.57 " | Read more » over 5 years ago
LaPa "I'll try to get blue > 30 and red < 200 changing the gain. At the moment I do not know how change the exposure. May be I have to read better ..." | Read more » over 5 years ago
LaPa "Hi, I'm here again! I shoot a set of pictures by NoIR modulo cam and blue filter. I tryed finally different white balance. The photo that I post i..." | Read more » over 5 years ago
LaPa "ok, i have to solve some problems of remote link of the Raspberry before taking other photos. And, of course, I have to buy a red filter because th..." | Read more » over 5 years ago
LaPa "Hi Chris thank you for the suggestions! Do you think would it be a good idea take a set of photos (NoIR camera + blue filter) of the plant graduall..." | Read more » over 5 years ago
LaPa "At the moment I took a photo two plants in sunny light. But I didn't manage to take another without gain because it became cloudy :(. Is it possib..." | Read more » over 5 years ago
LaPa "Thank you cfastie, I seem that your post encourages me to keep on this way; I ask confirmation about this. Do you have any idea how to modify the p..." | Read more » over 5 years ago
LaPa "anyway I try awbg. I wrote in the terminal "raspistill -awb off -awbg 0.88,0.97 and I took a picture of the tester and a two plants. The light was ..." | Read more » over 5 years ago
LaPa "Actually I don't know if it is possible mount two modulo cam in 1 Raspberry because it has just 1 slot to mount a modulo cam. I'll find out more ab..." | Read more » over 5 years ago
LaPa "What do you think about this way to proceed? https://www.raspberrypi.org/forums/viewtopic.php?p=856005#p856005 " | Read more » over 5 years ago