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Comments

Author Comment Last activity Moderation
gpenzo "Hallo khufkens. Off the shelve approch is a very good way, if it does the job why not. I will keep an eye on your project. The main reason for the..." | Read more » almost 8 years ago
gpenzo "Nice. I'm trying to do the same thing with a beaglebone black. http://publiclab.org/notes/gpenzo/03-25-2015/ndvi-cape-for-the-beagle-bone Only I us..." | Read more » almost 8 years ago
gpenzo "Hallo John. Based on wikipedia you need 531 and 570 nm filters. I checked arround and I could not find those filters. I saw 540nm and 580nm http://..." | Read more » almost 8 years ago
gpenzo "More info see another note: http://publiclab.org/notes/gpenzo/03-25-2015/ndvi-cape-for-the-beagle-bone " | Read more » almost 8 years ago
gpenzo "Hello Warren. I never measure the boot time but it boots fast, I can login via ssh after 1 minute or so. And it take a couple of minutes before my ..." | Read more » almost 8 years ago
gpenzo "Hello Ned, I'm going to calculate the x,y and rotation offset between the ir and vis pictures by doing a camera alignment with opencv. Becuase my c..." | Read more » almost 8 years ago
gpenzo "First result. Allot of work to go. " | Read more » about 8 years ago
gpenzo "Hi tagorecaue. I did not try different lenses any more. I checked my camera result with a farmer who uses a ndvi camera of a university and my res..." | Read more » about 8 years ago
gpenzo "Hello Check my notes for daul cam system maybe they can help http://publiclab.org/notes/gpenzo/02-16-2014/ndvi-720nm-850nm-filter-two-camera-setup-..." | Read more » about 8 years ago
gpenzo "ttaylor you make some good points there. My cameras are not on a gimbal but directly connected to the drone (pure for kiss). Because of some gust t..." | Read more » over 8 years ago
gpenzo "Good point Ned. I'm going to lock everything in those cam. Event the photos are not good I love the sharpness. Ned should I use white background fo..." | Read more » over 8 years ago
gpenzo "Hallo Albertazzi I bought a 30mm glass filter. Remove the housing of the filter and glue it in front of my cam. See pictures above (No idea how to ..." | Read more » almost 9 years ago
gpenzo "In my case I also want to capture visible images, will help the farmer to identify the problem. Can use my drone for mapping and 3d vegation maps w..." | Read more » almost 9 years ago
gpenzo "Hello Chris. Seems I need to be more precise on my notes, answer to your question. NIR camera has the block filter removed. 720 and 850 nm filter ..." | Read more » almost 9 years ago
gpenzo "Hallo Rita. In my setup One camera is not modified. The other camera I removed the IR block filter inside. I use the 720nm or the 850nm filter on t..." | Read more » almost 9 years ago
gpenzo "Hello Chirs. I used a glass filter indeed. They where arround 24 euro. I will use a 3DR Pixhawk to trigger the cameras. The cams do not have gps th..." | Read more » almost 9 years ago