function?h?=?Ffilter（nsigma?filterSize）
%?compute?the?symmetry?derivative?filter?of?2D?Gaussian“
mdpt?=?ceil（filterSize/2）;
[x?y]?=?meshgrid（-mdpt:mdpt?-mdpt:mdpt）;
if?n?>?0
????h?=?（-1/（sigma*sigma））^n?/（2*pi*sigma*sigma）?*?...
????????（x+i*y）.^n?.*?exp（-（x.*x+y.*y）/（2*sigma*sigma））;
else
????n?=?-n;
????h?=?（-1/（sigma*sigma））^n?/（2*pi*sigma*sigma）?*?...
????????（x-i*y）.^n?.*?exp（-（x.*x+y.*y）/（2*sigma*sigma））;
end
h?=?h/sum（abs（h（:）））;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-08?03:30??GST-for-small-target-detection-master\
?????文件?????????444??2018-12-08?03:30??GST-for-small-target-detection-master\Ffilter.m
?????文件????????1033??2018-12-08?03:30??GST-for-small-target-detection-master\README.md
?????目錄???????????0??2018-12-08?03:30??GST-for-small-target-detection-master\doc\
?????文件???????50560??2018-12-08?03:30??GST-for-small-target-detection-master\doc\result.png
?????目錄???????????0??2018-12-08?03:30??GST-for-small-target-detection-master\images\
?????文件???????64918??2018-12-08?03:30??GST-for-small-target-detection-master\images\01.bmp
?????文件???????52278??2018-12-08?03:30??GST-for-small-target-detection-master\images\02.bmp
?????文件????????2234??2018-12-08?03:30??GST-for-small-target-detection-master\main.m
?????目錄???????????0??2018-12-08?03:30??GST-for-small-target-detection-master\results\
?????目錄???????????0??2018-12-08?03:30??GST-for-small-target-detection-master\results\certainty\
?????文件???????64918??2018-12-08?03:30??GST-for-small-target-detection-master\results\certainty\01.bmp
?????文件???????52278??2018-12-08?03:30??GST-for-small-target-detection-master\results\certainty\02.bmp
?????目錄???????????0??2018-12-08?03:30??GST-for-small-target-detection-master\results\segmentation\
?????文件???????64918??2018-12-08?03:30??GST-for-small-target-detection-master\results\segmentation\01.bmp
?????文件???????52278??2018-12-08?03:30??GST-for-small-target-detection-master\results\segmentation\02.bmp
?????文件?????????176??2018-12-08?03:30??GST-for-small-target-detection-master\reviseImageBoundary.m
?????文件?????????163??2018-12-08?03:30??GST-for-small-target-detection-master\segment_simple_threshold.m