calibration
calibration


Author Comment Last activity Moderation
stevie "hey all, Great thread. Scott thanks for writing up the materials list. Also, I'll add we had sticky notes and markers on each table with a post-it ..." | Read more » almost 10 years ago
warren "Unexpected yes -- it was for some reason much harder to get light into the webcam! But very easy on a smartphone. We're working a bit on this probl..." | Read more » almost 10 years ago
eustatic "1) yes 2) there's not enough light, so perhaps angling the laser a certain way, or shining it through at the right level would help, so that the ca..." | Read more » almost 10 years ago
bsugar "Follow up: 1) Does the reflective material go in the back of the bottle? 2) By laser-camera alignment, so you mean that the horizontal beam from ..." | Read more » almost 10 years ago
eustatic "unsure what you are referring to in that link but it was like this one but with the lid closed and with reflective material added. Jeff's phone..." | Read more » almost 10 years ago
bsugar "when you write that: "We struggled a great deal with getting enough fluorescent light from the sample to register on the webcams..." were you using..." | Read more » almost 10 years ago
eustatic "I think Stevie asked people to bring laptops we had 3-4 working desktop spec, set up at tables 3 and 4 (one laptop wouldn't work) jeff's phone spe..." | Read more » almost 10 years ago
liz "Do you have a list of supplies needed for this workshop? And what, if anything, you asked participants to bring? " | Read more » almost 10 years ago
liz "This is an incredible event design. So many great features to it--the four browsable tables that provide an overview of the process at a glance, th..." | Read more » almost 10 years ago
patcoyle "Sounds like great meet up. Will be interesting to see how the scanned paper note idea evolves. " | Read more » almost 10 years ago
warren " paper-research-note.pdf " | Read more » almost 10 years ago
eustatic "actually, could we get a scan of the handwritten one? (no offense, mat) I m glad to see a new way to encourage the writing of research notes. s " | Read more » almost 10 years ago
eustatic "cool " | Read more » almost 10 years ago
warren "Love it! Tried out our prototype: " | Read more » almost 10 years ago
mathew "Love the paper research note so much! I made two takes-- with and without drawing bubble: PaperResearchNote.pdf PaperResearchNote_picturespac..." | Read more » almost 10 years ago
WhiteRabbit "Ned, Thanks very much for posting this research note. I found it to be helpful background for a related topic (http://publiclab.org/notes/WhiteRa..." | Read more » almost 10 years ago
juan816 "i like this elegant strategy!! " | Read more » almost 10 years ago
btbonval "Thanks mathew. In computer science, it's often taught that programming languages come and go, but clarity is always required. To that end, we would..." | Read more » almost 10 years ago
mathew "Really wonderful writeup. the SHT11, 15, and 21 are all sensors that we're looking to deploy and its good to see an initial look at their precisio..." | Read more » almost 10 years ago
nedhorning "I often use platforms that are moving so I use a fast shutter speed to reduce blur. I often shoot somewhere around 1/1000th of a second. You should..." | Read more » almost 10 years ago
nedhorning "Chris - I want to test to see how well calibration transfers between cameras and also between different camera settings and incident light (clear v..." | Read more » almost 10 years ago
cfastie "Those regressions look really encouraging. I guess if I took some photos with my own A2200 and Wratten 25A filter (the same model and filter type y..." | Read more » almost 10 years ago
patcoyle "Thanks for all the work you are doing to improve this approach. " | Read more » almost 10 years ago
nedhorning "Hi Scott, It might be possible to calibrate a camera using a single color like a white balance card but at the very least you would need to know th..." | Read more » almost 10 years ago