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exposure
exposure


Author Comment Last activity Moderation
warren "Some serious progress has been made on this, for running SpectralWorkbench on the Raspberry Pi and connecting to it's camera: https://github.com/pu..." | Read more » over 4 years ago
xose "@xose awards a barnstar to MaggPi for their awesome contribution! " | Read more » almost 5 years ago
xose "Awesome!! " | Read more » almost 5 years ago
icarito "Hi @jywarren ! The documentation you are looking for is at here. The actual build script is at https://github.com/publiclab/image-builder-rpi/ I..." | Read more » almost 5 years ago
jywarren "Very cool!!!  Hi @icarito, would you be able to point maggpi at the instructions for generating a virtual-pi image for this setup? On Wed, Aug 8,..." | Read more » almost 5 years ago
raj "raspberry pi camera: spectral response curves for more details go through my website you can get all details http://zipansion.com/1TSg4 " | Read more » almost 5 years ago
zengirl2 "Wow, I was wondering why a sensor would be needed and this info makes it clear. " | Read more » about 5 years ago
amayas "Many thanks Warren for the prompt answer. In fact, I would like to set the exposure time. A friend of mine may help me in doing this, but asked me ..." | Read more » over 5 years ago
warren "I'm curious about the answer to this as well, as I wasn't aware they had firmware you could change! What are you hoping to do to them? Thanks! " | Read more » over 5 years ago
warren "Do you mean drivers, or the actual firmware? " | Read more » over 5 years ago
amayas "Dear every one, Does any one has the firmeware of this camera, or at least where i can have it? All the best Amayas " | Read more » over 5 years ago
warren "Re: responses written with @gretchengehrke and others as part of DIY Oil Testing Questions: This is a complex question. Oil pollution can have a v..." | Read more » over 5 years ago
warren "The Kits initiative hasn't disabled anything; the webcams are as shipped from the factory. There is some sparse guidance on this here, but if you k..." | Read more » about 6 years ago
phil3D "@phil3D awards a barnstar to mathew for their awesome contribution! " | Read more » over 6 years ago
warren "Just wanted also to link to @stoft's input on this question in this comment: As to the RPi camera, it seems to have two "difficulties" which need ..." | Read more » over 6 years ago
warren "Oh great; @khufkens also shared that on this site! https://publiclab.org/notes/khufkens/11-02-2015/ov5647-raspberry-pi-camera-spectral-response-qua..." | Read more » over 6 years ago
warren "I found that V4L2 driver apparently makes it possible to use the raspberry pi camera in Firefox with webrtc, the API Spectral Workbench uses: https..." | Read more » over 6 years ago
Siphirobe "I was wondering the same thing, just with the PiNoIR camera since I am more interested in remote sensing of vegetation. " | Read more » over 6 years ago
stef "@warren After sleeping it over, realized that due to the no IR filter of the raspberry the bandwidth response will be different from the published..." | Read more » over 6 years ago
stef "@warren Here is a link http://www.khufkens.com/projects/ov5647-spectral-response/ and here is a zip file khufkens-pi-camera-response-curves-3342e..." | Read more » over 6 years ago
warren "That's a great thing to point out -- do you per chance have a link to the spectral bandwidth of the sensors? Thanks! " | Read more » over 6 years ago
stef "The BIG advantage of the Raspberry Pi is the use of the Sony IMX298 sensor whose spectral bandwidth is known and is 16 megapixel sensor. Much like ..." | Read more » over 6 years ago
warren "Hi, thanks for posting! One thing I've wondered about is whether different exposures -- that are not clipping/overexposed but are different overall..." | Read more » about 7 years ago
viechdokter "Hi Chris, you are right, the settings are important too. I absolutely forgot to mention them. Here is a (translated) snapshot of the settings: ..." | Read more » about 7 years ago