Distortion is a deviation from rectilinear projection, a projection in which straight lines in a scene remain straight in an image. It is a form of optical aberration. Although distortion can be irregular or follow many patterns, the most commonly encountered distortions are radially symmetric, or approximately so, arising from the symmetry of a photographic [...]
Archive for September, 2011
Distortion
September 10th, 2011 
Andrei 
Posted in Optical 
Tags: barrel distortion, distortion, mustache distiortion, pincushion distortion 
Comments OffImage Stabilization
September 3rd, 2011 Andrei Image stabilization (IS) is a family of techniques used to reduce blurring associated with the motion of a camera during exposure. Specifically, it compensates for pan and tilt (angular movement, equivalent to yaw and pitch) of a camera or other imaging device. It is used in image-stabilized binoculars, still and video cameras, and astronomical telescopes. [...]
