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???識別\character_segmentation.m

?????文件????????278??2003-05-03?07:19??Matlab???識別\cleanScreen.m

?????文件????????906??2003-01-31?04:50??Matlab???識別\cut_bw_img.m

?????文件????????457??2003-05-03?07:12??Matlab???識別\display_picture.m

?????文件????????606??2003-03-30?19:56??Matlab???識別\draw_lines.m

?????文件??????10134??2003-05-04?12:26??Matlab???識別\extract_LP.m

?????文件???????1128??2003-01-31?02:39??Matlab???識別\extract_yellow_region.m

?????文件???????1101??2003-01-31?09:18??Matlab???識別\find_angle.m

?????文件???????2114??2003-01-31?03:17??Matlab???識別\find_optimal_threshold.m

?????文件????????327??2011-05-17?19:39??Matlab???識別\global_var.mat

?????文件???????1052??2003-05-03?12:04??Matlab???識別\go.m

?????文件???????1764??2003-05-04?06:54??Matlab???識別\horizontal_crop.m

?????文件??????75168??2003-03-29?15:09??Matlab???識別\images\car.jpeg

?????文件?????151758??2007-01-06?13:46??Matlab???識別\images\im8.JPG

????..A.SH.????169984??2011-03-01?17:41??Matlab???識別\images\Thumbs.db

?????文件??????96755??2003-04-07?17:30??Matlab???識別\images\新建文件夾\im1.jpg

?????文件??????60150??2003-04-05?12:43??Matlab???識別\images\新建文件夾\im2.jpg

?????文件??????74249??2003-04-05?12:43??Matlab???識別\images\新建文件夾\im3.jpg

?????文件??????95495??2003-04-05?15:55??Matlab???識別\images\新建文件夾\im4.jpg

?????文件??????87317??2003-04-05?14:31??Matlab???識別\images\新建文件夾\im5.jpg

?????文件??????25866??2003-04-10?05:52??Matlab???識別\images\新建文件夾\im6.JPG

?????文件??????32384??2003-04-06?04:04??Matlab???識別\images\新建文件夾\im7.jpg

?????文件???????7107??2003-04-05?12:42??Matlab???識別\internal_images\black.jpg

?????文件??????41966??2003-05-03?06:33??Matlab???識別\internal_images\title.jpg

?????文件??????28044??2003-05-03?06:44??Matlab???識別\internal_images\title2.JPG

?????文件??????30483??2003-05-03?06:46??Matlab???識別\internal_images\title3.jpg

?????文件??????24553??2003-05-03?06:48??Matlab???識別\internal_images\title4.jpg

?????文件??????64936??2003-03-19?01:19??Matlab???識別\net.mat

?????文件???????2686??2003-05-04?08:13??Matlab???識別\OCR.m

?????文件????????322??2003-05-03?07:29??Matlab???識別\plot_vector.m

............此處省略9個文件信息