next up previous contents index
Next: czoom Up: Reference Previous: cmzoom   Contents   Index

csample

$ \bigcirc$Name


csample sampling of a cimage




$ \bigcirc$Command Synopsis


csample in out step



in : input image

out : sampled image

step : new grid step (factor of sampling)




$ \bigcirc$Function Summary


Cimage csample (in , out , step )

Cimage out , in ;

double step ;




$ \bigcirc$Description


The input is decomposed into square blocks of size reduction×reduction. From each block, we extract the upper left pixel, to synthetize the sampled image.




$ \bigcirc$Version 1.2


Last Modification date : Thu Nov 29 20:23:56 2001


$ \bigcirc$Author


Jacques Froment, Regis Monneau







mw 2004-05-05