Rolling Shutters
Read OriginalThis article explores the rolling shutter effect in CMOS cameras, where motion during row-by-row readout causes image distortion. Using animations and mathematical models, it shows how rotating objects like propellers and car tires appear warped at different speeds. The author derives a coordinate transformation in polar coordinates to describe the effect, linking exposure time, rotation speed, and shutter velocity. Aimed at readers interested in camera technology, image processing, and the physics of digital sensors.
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