Author | Comment | Last activity | Moderation | ||
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cfastie | "Scott, CHDK will provide a better intervalometer, but it can't sync the shutters without an external signal. So you need something to send a 5v pul..." | Read more » | over 10 years ago | |||
cfastie | "That nice windows program for Mobius is not official, just written by the isoprop guy. I guess nobody has done it yet for the Mac. Here is the con..." | Read more » | over 10 years ago | |||
cfastie | "Jeff, all of the photos that day were in bright sunshine under cloudless sky. You can see the afternoon progress in the four panel NDVI for Mobius ..." | Read more » | over 10 years ago | |||
cfastie | "Scott, It doesn't look like you have any electronics for triggering the cameras. Do you have plans for syncing the shutters? If the synchrony is no..." | Read more » | over 10 years ago | |||
cfastie | "You're right, that would be a revealing test. In the example you referred to (below), the red channel should be three times more sensitive than th..." | Read more » | over 10 years ago | |||
cfastie | "Tom, Yes, meaningless was not the best word choice. The real surprise was that the non-plants consistently had NDVI values higher than plants. That..." | Read more » | over 10 years ago | |||
cfastie | "Tom, Maybe it would also be useful to you to have DNG images (via CHDK) from my full spectrum Canon A810? " | Read more » | over 10 years ago | |||
cfastie | "Hi Tom, I didn't capture RAW with the S95, and the Mobius does not do RAW (although the firmware is open source, so it's possible). I could capture..." | Read more » | over 10 years ago | |||
cfastie | "Mathew, That's a lot of people who need hard evidence that it's dusty. I guess we'll just wait until Don can get the price down. " | Read more » | over 10 years ago | |||
cfastie | "The OpenLux will be able to solve lots of problems, but I only have one problem -- I live in a rural neighborhood on a dusty road and local officia..." | Read more » | over 10 years ago | |||
cfastie | "It seems like there are a lot of people who are worried about living in a dusty environment, but most of us already know whether it's dusty where w..." | Read more » | over 10 years ago | |||
cfastie | "Chris, Very nice device. And smart testing setups. The Explorables visualizations are fantastic. That will change the way people understand data se..." | Read more » | over 10 years ago | |||
cfastie | "Is the levels stretching you are referring to the same thing as histogram stretching? If so, it should be high priority. If the look up table feat..." | Read more » | over 10 years ago | |||
cfastie | "Juan, Your bed spring hangups are a good idea. I found these for sale, but even smaller ones would be better. I might have to go looking for old be..." | Read more » | over 10 years ago | |||
cfastie | "There was some discussion of similar approaches a year ago on the plots-infrared list. That was related to a technique of monitoring mushroom deter..." | | over 10 years ago | |||
cfastie | "Field testing of this device is described in this note: http://publiclab.org/notes/cfastie/5-21-2012/range-tiny-remote " | Read more » | over 10 years ago | |||
cfastie | "That looks like a fun day of flying, and lots of work. There were 40 mph gusts at JFK that day, so that was a severe test for your first outing. It..." | Read more » | over 10 years ago | |||
cfastie | "Things I want to know about your table: What is a "vis-red block above lens?" Why is the above different for the A495 and Mobius? Does the "lens"..." | Read more » | over 10 years ago | |||
cfastie | "It looks like you've done a good job matching the NDVI index from the two cameras. It's hard to evaluate the meaningfulness of the NDVI images beca..." | Read more » | over 10 years ago | |||
cfastie | "Pat, I've used Hangups a lot and they are probably the best solution. Brooxes KAP-klips are also proven effective, and may be easier to use. They a..." | Read more » | over 10 years ago | |||
cfastie | "Jaco, The fact that your camera now focuses only in certain ranges suggests that the sensor is the wrong distance from the lens. At the factory, t..." | Read more » | over 10 years ago | |||
cfastie | "Santiago, You can download that look up table at this page; http://publiclab.org/wiki/photo-monitoring-plugin. Copy it into the luts subdirectory i..." | Read more » | over 10 years ago | |||
cfastie | "Thanks Pat. Here is your Picavet cross starting to print: http://youtu.be/yqeL9IcK3Pg " | Read more » | over 10 years ago | |||
cfastie | "To compute NDVI, you have to know the relative amount of light in a visible and an NIR band being reflected from plant leaves. The difference betwe..." | Read more » | over 10 years ago |