function?[nr]?=?boxcount（cvarargin）
%BOXCOUNT??Box-Counting?of?a?D-dimensional?array?（with?D=123）.
%???[N?R]?=?BOXCOUNT（C）?where?C?is?a?D-dimensional?array?（with?D=123）
%???counts?the?number?N?of?D-dimensional?boxes?of?size?R?needed?to?cover
%???the?nonzero?elements?of?C.?The?box?sizes?are?powers?of?two?i.e.?
%???R?=?1?2?4?...?2^P?where?P?is?the?smallest?integer?such?that
%???MAX（SIZE（C））?<=?2^P.?If?the?sizes?of?C?over?each?dimension?are?smaller
%???than?2^P?C?is?padded?with?zeros?to?size?2^P?over?each?dimension?（e.g.
%???a?320-by-200?image?is?padded?to?512-by-512）.?The?output?vectors?N?and?R
%???are?of?size?P+1.?For?a?RGB?color?image?（m-by-n-by-3?array）?a?summation
%???over?the?3?RGB?planes?is?done?first.
%
%???The?Box-counting?method?is?useful?to?determine?fractal?proper