The object of scan conversion is to resample a polar-sampled image into a Cartesian format while retaining integrity of the geometry and content of the image. Linear interpolation and decimation in two dimensions in the context of scan conversion are reviewed. Appropriate approximations of the nonlinear relationship between Cartesian and polar coordinates are then made to allow the application of the linear interpolation theory to produce a number of practical scan conversion algorithms. Together with an image prefiltering process, which is applied to areas which require scan conversion decimation, an effective scheme is presented.<>
Scan conversion of radar images
IEEE Transactions on Aerospace and Electronic Systems ; 25 , 2 ; 166-175
1989-03-01
799055 byte
Article (Journal)
Electronic Resource
English
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