function?[seg]?=?character_segmentation（bw）;
%?character_segmentation:?Returns?the?digit?segments?in?the?supplied?binary?image.
%?The?function?uses?the?“segment“?function?keeping?only?the?seven
%?segments?in?the?result?with?largest?area?and?in?case?less?than?seven
%?segments?were?found?it?attempts?to?recall?the?function?making?the
%?separation?between?the?already?found?segments?clearer?（by?cleaning?the?
%?bits?which?are?there.
DIGIT_WIDTH?=?18;
MIN_AREA?=?250;

load?global_var.mat;
plot_vector（sum（bw）?4?‘Character?Segmentation?-?Columns?Sum?Graph:‘?debug2）;

seg?=?segment（bw?DIGIT_WIDTH?MIN_AREA）;
[x?y]?=?size（seg）;

%?If?we?got?less?than?7?digits?we?try?to?make?the?sepration?between?them
%?clearer?by?cleaning?the?bits?between?them?and?we?call?the?“segment“
%?function?again:
if?x?????for?i?=?1?:?x
????????bw（:seg（i2））=0;
????end;
????seg?=?segment（bw?DIGIT_WIDTH?MIN_AREA）;
end;

%?Keeping?in?the?results?the?seven?segments?with?the?largest?area:
area?=?[];
for?i?=?1?:?x
????pic?=?bw（:?seg（i1）?:?seg（i2）?:）;
????area（i）?=?bwarea（pic）;
end;

area1?=?sort（area）;
seg?=?seg‘;

for?j?=?1:（length（area1）-7）
????i?=?find（area?==?area1（j））;
????len?=?length（area）;
????if?i?==?1
????????area?=?[area（2:len）];
????????seg?=?[seg（:2:len）];
????elseif?i?==?len
????????area?=?[area（1:i-1）];
????????seg?=?[seg（:1:i-1）];
????else
????????area?=?[area（1:i-1）?area（i+1:len）];
????????seg?=?[seg（:1:i-1）?seg（:i+1:len）];
????end;
end;

seg?=?seg‘;

return;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function?[segmentation]?=?segment（im?digit_width?min_area）;
%?segment:?Segment?the?pictures?in?digit?images?according?to?the?variable
%?“digit_width“?and?returns?a?matrix?containing?the?two?bounds?of?the?each
%?digit?segment.?The?function?keeps?in?the?result?only?segment?whose
%?“rectangular“?areas?is?more?than?“min_area“.

segmentation?=?[];
%?Summing?the?colums?of?the?pic:
t?=?sum（im）;
%?Getting?the?segments?in?the?pic:
seg?=?clean（find_valleys（t?2?1?digit_width）?3）;

%?Keeping?in?the?result?only?the?segments?whose?rectangular?areas?is?more?than?min_area:
j?=?1;
for?i?=?1?:?（length（seg）?-?1）
????band_width?=?seg（i+1）?-?seg（i）;
????maxi?=?max（t（1?seg（i）:seg（i+1）））;
????if（maxi?*?band_width?>?min_area）
????????segmentation（j?1）?=?seg（i）;
????????segmentation（j?2）?=?seg（i+1）;
????????j?=?j?+?1;
????end;
end;

return;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function?[s]?=?find_valleys（t?val?offset?digit_width）;
%?find_valleys:?Uses?the?method?named?peak-to-valleyin?order?to?segment?the?
%?pictures?in?digit?images?getting?the?two?bounds?of?the?each?digit?segment
%?according?to?the?statistical?parameter?digit_width?=?18.
%?The?function?is?recursive;?it?uses?the?vector?of?the?sums?of?the?columns?
%?in?the?LP?binary?image?supplied?in?the?parameter?“t“.?
%?The?function?passes?over?the?graph?

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

?????文件???????6528??2003-05-04?12:51??matlab車牌識別完整程序老外\character_segmentation.m

?????文件????????278??2003-05-03?07:19??matlab車牌識別完整程序老外\cleanScreen.m

?????文件????????906??2003-01-31?04:50??matlab車牌識別完整程序老外\cut_bw_img.m

?????文件????????457??2003-05-03?07:12??matlab車牌識別完整程序老外\display_picture.m

?????文件????????606??2003-03-30?19:56??matlab車牌識別完整程序老外\draw_lines.m

?????文件??????10366??2011-02-23?15:11??matlab車牌識別完整程序老外\extract_LP.m

?????文件???????1705??2011-02-23?15:11??matlab車牌識別完整程序老外\extract_yellow_region.m

?????文件???????1101??2003-01-31?09:18??matlab車牌識別完整程序老外\find_angle.m

?????文件???????2114??2003-01-31?03:17??matlab車牌識別完整程序老外\find_optimal_threshold.m

?????文件????????327??2011-02-23?09:19??matlab車牌識別完整程序老外\global_var.mat

?????文件???????1298??2011-02-23?16:37??matlab車牌識別完整程序老外\go.m

?????文件???????1764??2003-05-04?06:54??matlab車牌識別完整程序老外\horizontal_crop.m

?????文件??????96755??2003-04-07?17:30??matlab車牌識別完整程序老外\im1.jpg

?????文件??????22853??2008-10-22?09:47??matlab車牌識別完整程序老外\images\im0.jpg

?????文件??????47822??2010-06-11?11:07??matlab車牌識別完整程序老外\images\im1.JPG

?????文件??????63827??2003-04-10?05:08??matlab車牌識別完整程序老外\images\im10.JPG

?????文件??????25273??2003-04-10?06:02??matlab車牌識別完整程序老外\images\im11.JPG

?????文件??????35405??2003-04-05?12:45??matlab車牌識別完整程序老外\images\im12.jpg

?????文件??????58831??2003-04-10?05:13??matlab車牌識別完整程序老外\images\im13.JPG

?????文件??????25668??2003-04-10?06:07??matlab車牌識別完整程序老外\images\im14.JPG

?????文件??????64864??2003-04-10?05:19??matlab車牌識別完整程序老外\images\im15.JPG

?????文件??????18661??2003-04-10?05:25??matlab車牌識別完整程序老外\images\im16.JPG

?????文件??????74308??2003-04-06?04:01??matlab車牌識別完整程序老外\images\im17.jpg

?????文件??????76512??2003-04-10?06:41??matlab車牌識別完整程序老外\images\im18.JPG

?????文件?????147055??2003-04-11?04:23??matlab車牌識別完整程序老外\images\im19.jpg

?????文件??????60150??2003-04-05?12:43??matlab車牌識別完整程序老外\images\im2.jpg

?????文件??????40198??2003-04-06?04:07??matlab車牌識別完整程序老外\images\im20.jpg

?????文件??????47810??2003-04-10?06:39??matlab車牌識別完整程序老外\images\im21.JPG

?????文件?????117632??2003-04-06?04:32??matlab車牌識別完整程序老外\images\im22.jpg

?????文件??????74102??2003-04-05?12:43??matlab車牌識別完整程序老外\images\im23.jpg

............此處省略46個文件信息