function?cps?=?crosspowerspectrum（in1in2）
%?USAGE?:?cps?=?crosspowerspectrum（in1in2）
%
%?function?to?calculate?the?PHASE-CORRELATION?hence?function?name?may?be?a?bit?misleading!!
%
%?Adam?Wilmer?3-9-02

F1?=?fft2（in1）;
F2?=?fft2（in2）;

%?Create?phase?difference?matrix
pdm?=?exp（i*（angle（F1）-angle（F2）））;

%?turn?into?cross?phase-correlation
cps?=?real（ifft2（pdm））;

%?had?problems?with?NaN‘s?coming?out?so?check?this
if（mean（mean（isnan（cps）））>0.95）
????disp（‘PROBLEM?ALERT:?phasecorrelation?contains?a?lot?of?NaNs?（check?FFTs?exist?as?they?cannot?cope?with?certain?inputs?for?some?reason）‘）
????return
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????18632??2007-03-20?19:26??fm_gui_v2\casitas5_t1.gif

?????文件??????12676??2007-03-20?19:26??fm_gui_v2\casitas5_t2.gif

?????文件??????12728??2007-03-28?09:03??fm_gui_v2\casitas5_t2_90.gif

?????文件????????630??2002-11-07?15:14??fm_gui_v2\crosspowerspectrum.m

?????文件???????7404??2002-10-31?13:49??fm_gui_v2\fft_resize_test.m

?????文件??????22487??2007-04-06?10:09??fm_gui_v2\fm_gui.m

?????文件??????25872??2002-11-07?15:32??fm_gui_v2\fm_guifun.m

?????文件????????577??2002-11-07?13:00??fm_gui_v2\fm_parse_inputs.m

?????文件???????9283??2007-03-30?11:01??fm_gui_v2\fourier_mellin.m

?????文件???????2930??2002-10-22?11:00??fm_gui_v2\help\help_fm.html

?????目錄??????????0??2007-03-27?08:01??fm_gui_v2\help

?????文件????????306??2002-10-22?16:27??fm_gui_v2\hipass_filter.m

?????文件????????328??2002-04-25?17:45??fm_gui_v2\image_scale.m

?????文件???????3486??2002-09-02?17:03??fm_gui_v2\imlogpolar.m

?????文件??????62482??2002-11-05?11:29??fm_gui_v2\lena2.bmp

?????文件??????66614??2002-11-05?11:55??fm_gui_v2\lena_org.bmp

?????文件???????2044??2002-10-12?14:50??fm_gui_v2\parse_inputs.m

?????文件???????1187??2002-10-22?11:10??fm_gui_v2\readpgm.m

?????文件?????361078??2007-03-27?10:01??fm_gui_v2\spot1.bmp

?????文件?????361078??2007-03-27?10:01??fm_gui_v2\spot2.bmp

?????文件?????361078??2007-03-27?10:02??fm_gui_v2\spot3.bmp

?????文件???????2269??2002-11-06?14:05??fm_gui_v2\transformImage.m

?????文件???????1287??2002-11-04?14:07??fm_gui_v2\window1d.m

?????文件???????2511??2002-10-30?11:06??fm_gui_v2\window2d.m

?????文件???????1716??2002-10-31?14:44??fm_gui_v2\zeropad.m

?????目錄??????????0??2007-05-24?08:31??fm_gui_v2

-----------?---------??----------?-----??----

??????????????1340683????????????????????26