imaging science · live in your browser
photonlab
Sensors, optics, radiometry and noise, one topic per page. Each page explains the model, gives the formulas with references, and lets you move the sliders: the Python behind it runs in your browser.
2 pages
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Depth of focus and sensor tilt budget
Depth of focus is the distance the sensor can move along the optical axis, on the image side, before the image becomes noticeably blurred.
Open
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Signal-to-noise ratio of a linear camera
The signal-to-noise ratio (SNR) tells how well a pixel's mean signal stands out from its temporal fluctuations. This page follows the linear camera model of the EMVA 1288 standard (EMVA 1288, 2021), §2.4 and §2.6.
Open
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