function?[out_impatch_location]=automatic_patch_selector（impatch_sizeweightsat_mask）
??
%?Author:?Rob?Fergus
%?Version:?1.0?distribution?code.
%?Project:?Removing?Camera?Shake?from?a?Single?Image?SIGGRAPH?2006?paper
%?Copyright?2006?Massachusetts?Institute?of?Technology

??SMOOTH_SIGMA?=?3;
??
??%%?Assume?input?image?is?0:255
??%%?patch_size?is?integer?（odd）
??%%?sat_mask?is?binary?&?same?size?as?im
????
??%%?weight?is?tuning?parameter?btw.?variance?and?non-saturated?pixels
????
??%%%?Get?size?of?input?im
??[IIJJ]?=?size（im）;
??
??%%%?Compute?centre?weighting?mask
??[xxyy]?=?meshgrid（[1:JJ]-round（JJ/2）[1:II]-round（II/2））;
??centre_weight_mask?=?exp（-weight/（JJ^2）*（xx.^2+yy.^2））;
??II?=?II*2;?JJ?=?JJ*2;
??%%?shift?by?patch_size
??centre_weight_mask?=?real（?ifft2（?fft2（centre_weight_maskIIJJ）?.*?fft2（delta_kernel（patch_size）IIJJ）?）?）;
??
??%%%?Get?patch?mask
??pmask?=?ones（patch_size）/patch_size.^2;
??
??%%%?Find?patch?with?largest?variance?
??ei2?=?real（?ifft2（?fft2（im.^2IIJJ）?.*?fft2（pmaskIIJJ）?）?）;
??mu2?=?real（?ifft2（?fft2（imIIJJ）?.*?fft2（pmaskIIJJ）?）?）.^2;
??w?=?ei2?-?mu2;
??
??%%%?Compute?convolution?with?sautration?mask
??q?=?real（?ifft2（?fft2（（sat_mask）IIJJ）?.*?fft2（pmaskIIJJ）?）?）;
??%%?q?is?small?if?more?pixels?are?available?for?use?


??combined?=?（centre_weight_mask）.*w./（q*mean（im（:））.^2+1）;?%%?more?variance?less?saturation

??%%?now?find?stable?maximum?（smooth?resonse?image）
??f?=?fspecial（‘gaussian‘[8?8]SMOOTH_SIGMA）;
??combined?=?real（?ifft2（?fft2（combinedIIJJ）?.*?fft2（fIIJJ）?）?）;

??%%%?crop?to?avoid?edge?effects
??combined?=?combined（patch_size:II/2patch_size:JJ/2）;
??
??%%%?find?max
??[tmpmm]?=?max（combined（:））;
??[sysx]?=?ind2sub（size（combined）mm）;

??%%%?get?coords?for?axis
??patch_location?=?[sx?sy]?-1;
??
??%%?chop?out?patch
??out_im?=?im（sy-1:sy-2+patch_sizesx-1:sx-2+patch_size）;
??
??
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????30209??2007-02-22?21:50??README
?????目錄???????????0??2007-02-22?21:48??code\
?????目錄???????????0??2007-02-22?21:43??images\
?????目錄???????????0??2007-02-22?21:43??priors\
?????目錄???????????0??2007-02-22?21:43??results\
?????文件????????5685??2007-02-22?21:41??code\GaussianMixtures1D.m
?????文件???????28466??2007-02-22?21:41??code\deblur.m
?????文件????????2870??2007-02-22?21:41??code\estimate_priors2.m
?????文件????????1088??2007-02-22?21:41??code\greenspan.m
?????文件????????5835??2007-02-22?21:41??code\initialize_parameters2.m
?????文件?????????545??2007-02-22?21:41??code\invDel2.m
?????文件?????????495??2007-02-22?21:41??code\mix_exponentials.m
?????文件????????2641??2007-02-22?21:41??code\move_level.m
?????文件????????3716??2007-02-22?21:41??code\plotgray.m
?????文件?????????656??2007-02-22?21:41??code\reconsEdge3.m
?????文件????????2212??2007-02-22?21:41??code\rgb2gray_rob.m
?????文件????????1879??2007-02-22?21:41??code\automatic_patch_selector.m
?????文件?????????556??2007-02-22?21:41??code\clip_image.m
?????文件????????2527??2007-02-22?21:41??code\create_greenspan_settings.m
?????文件?????????358??2007-02-22?21:41??code\delta_kernel.m
?????文件???????12443??2007-02-22?21:41??code\train_ensemble_evidence6.m
?????文件????????1777??2007-02-22?21:41??code\train_ensemble_get.m
?????文件????????1830??2007-02-22?21:41??code\train_ensemble_get_lambda.m
?????文件???????13451??2007-02-22?21:41??code\train_ensemble_main6.m
?????文件????????1816??2007-02-22?21:41??code\train_ensemble_put.m
?????文件????????1868??2007-02-22?21:41??code\train_ensemble_put_lambda.m
?????文件????????3570??2007-02-22?21:41??code\train_ensemble_rectified5.m
?????文件????????4408??2007-02-22?21:41??code\train_blind_deconv.m
?????文件?????????571??2007-02-22?21:41??code\normMDpdf.m
?????文件????????1559??2007-02-22?21:41??code\histmatch.m
?????文件?????????558??2007-02-22?21:41??code\prefZeros.m
............此處省略17個文件信息