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cfastie commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

I tried with a photo from a PowerShot S100. That's the only camera I have other than the Mobius t...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

But be aware this is pretty beta software! It can crash!

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

The interface is really minimal at the moment, but i'm planning to make it save settings soon. Bu...

cfastie commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

What do you mean it will batch them at the bottom? Is the information saved? Or do we have to wri...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

@xose if you're testing any fisheye-lensed cameras please give it a try as well!

warren commented on Mobius non-fish eye and small lifter wrapup over 2 years ago

Hi, @patcoyle - managed (with some help) to get the web-based lens distortion removal system work...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

OK - the GoPro clones can be corrected with: a: 1, b: 1, Fx: 0.16, Fy: 0.16, scale: 1.087, x: 1,...

Pera commented on What are ways to record ambient temperature every 5 sec and export easily? over 2 years ago

Hi Caroline! I could post this on the DC Women and Bicycles forum and a couple other bike groups ...

cfastie commented on Mini Pearl Jam over 2 years ago

The Mini Pearl Logger in the compost pile stopped logging today when the battery voltage dropped ...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

This was solved today by SpaVec! https://github.com/jywarren/fisheyegl/issues/3#issuecomment-315...

LightWaveResearch8000 commented on Image is blue - First time over 2 years ago

My error. The default camera is set up for Webcam. I select USB 2 Camera. It works perfectly in ...

ottinger commented on Do you have resources on odor logs and odor reporting platforms? over 2 years ago

Interestingly, the ATSDR has guidelines for pencil-and-paper "odor diaries".

ottinger commented on Do you have resources on odor logs and odor reporting platforms? over 2 years ago

My lab at Drexel University, the Fair Tech Collective, has also been working on a brand-new platf...

ottinger commented on Do you have resources on odor logs and odor reporting platforms? over 2 years ago

I know of a couple of well established online reporting platforms, each with somewhat different f...

stevie commented on How do you get the Crenova Game and Trail Hunting Camera into time-lapse mode? over 2 years ago

Just following up here. I figured it out and posted some instructions here: https://publiclab.org...

ccpandhare commented on How to verify generated NDVI Images? over 2 years ago

Hi Chris! I tested this image. Had the same results. I them made an improvement to the older algo...

gretchengehrke commented on EDDI - Eletrodialysis Desalinator for Desalination over 2 years ago

@mienaikoe, This is so cool! How quickly can you process a liter of sea water? Also, you mentione...

gretchengehrke commented on Monitor transparency, dissolved oxygen, ORP, and ammonia from a river over 2 years ago

@shanlter, this is great! Have you seen the spreadsheet on the www.publiclab.org/wiki/water-senso...

liz commented on A Questions page to encourage discussions through better UX over 2 years ago

Hi @siyuan , i just posted this github issue about what seems to be redundant clutter on the /que...

warren commented on Sparkfun data logging troubleshooting? over 2 years ago

(sorry, i meant i see data on the link at Sparkfun)

warren commented on Sparkfun data logging troubleshooting? over 2 years ago

For starters, i see some data; was it working at one point and then stopped? And if so, (apologi...

warren commented on Sparkfun data logging troubleshooting? over 2 years ago

Great, we have a few options. We could try to connect your Pi up for remote access instead of rel...

efuhrm commented on Sparkfun data logging troubleshooting? over 2 years ago

Yes, I'm using RaspberryPi to run openpipekit, and my device is connected to the internet.

warren commented on Sparkfun data logging troubleshooting? over 2 years ago

Hi! sorry I missed this -- are you using a Raspberry Pi to run OpenPipeKit? If so, are you sure i...

liz commented on Unable to use back camera on an android phone over 2 years ago

On Android, use the Firefox browser. It allows you to choose which camera to look through.

cfastie commented on How to verify generated NDVI Images? over 2 years ago

These two sets of equations do not do the same thing. Set 1. var ndvi = 255 * (b - r) / (1...

nedhorning commented on an answer about "Test images" for multispectral image processing over 2 years ago

How about testing it on subsets of satellite imagery? You can pick the 3 bands and the band order...

ccpandhare commented on an answer about "Test images" for multispectral image processing over 2 years ago

Thanks for the amazing explanation and reference, @warren! I'll be grateful for your help @nedhor...

warren commented on How do I install a bootloader on a Riffle data logger? over 2 years ago

Hey @abdul - I think I found the answer (thanks to @pdhixenbaugh) -- in the waterquality list arc...

warren commented on an answer about "Test images" for multispectral image processing over 2 years ago

Hi, Ned - i'm not asking about calibration at this point, just for a way to empirically test (in ...

portable NDVi camera with processing

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