function?[Result]?=?diamond_vanish（InputImg?Normalization?SpaceSize?PatchSize?VanishNumber）
%?Detection?of?vanishing?point?using?diamond?space.
%
%?Results?=?DIAMOND_VANISH（InputImg?Normalization?SpaceSize?PatchSize）
%
%?Input:
%??InputImg???????input?image
%??Normalization??float?number;?
%?????????????????normalization?of?the?image?（1?means?normalization?form?-1?to?1）
%??SpaceSize??????int?number;?
%?????????????????resolution?of?the?accumulation?space?（final?space?has?dims?SpaceSize?x?SpaceSize）
%??PatchSize??????int?row?vector;?
%?????????????????radius?of?a?patch?from?which?edge?pixels?are?extracted?and?use?for?ellipse?fitting?for?detection?of?orientation?of?the?edge?point
%
%?Output:
%??Results?structure?with?fields:
%????Results.Space?????????accumulated?diamond?space?（further?is?used?for?orthogonalization）
%????Results.PC_VanP???????positions?of?the?maxima?in?R.Space
%????Results.PC_VanP_Norm??normalized?position?of?the?maxima?（R.Space?bounded?from?-1?to?1）
%????Results.CC_VanP???????position?of?the?vanishing?point?in?the?input?image?coordinates


%find?edge?points
EdgeImg?=?edge（rgb2gray（InputImg）‘canny‘）;?

%find?lines
LinesData?=?mx_lines（int32（padarray（EdgeImg[PatchSize（end）PatchSize（end）]））?int32（PatchSize））;?
LinesData（3:）?=?LinesData（3:）*Normalization;

SubPixelRadius?=?2;
Threshold?=?0.05;
Result?=?struct（‘Space‘?[]?‘PC_VanP‘[]?‘PC_VanP_Norm‘?[]?‘CC_VanP‘?[]）;

%diamond?stuff
for?V?=?1:VanishNumber???????????
????%raster?and?find?space
????space?=?mx_raster_space（SpaceSize?LinesData）;
????%figure
????%imagesc（space）;
????Result.PC_VanP（V:）?=?find_maximum（space?SubPixelRadius）;
????if（V?==?1）?Result.Space?=?space;?end
??????????
????%normalize?result
????Result.PC_VanP_Norm（V:）?=?normalize_PC_points（Result.PC_VanP（V:）?SpaceSize）;
????????
????%get?lines?close?to?VP
????Distance?=?point_to_lines_dist（Result.PC_VanP_Norm（V:）?LinesData（1:3:）‘）;
????????
????%remove?lines?
????LinesData（:（Distance?end
????
Result.CC_VanP?=?PC_point_to_CC（Normalization?Result.PC_VanP_Norm?size（InputImg））;

end

function?NormVP?=?normalize_PC_points（VanP?SpaceSize）
????NormVP?=?（2.*VanP?-（SpaceSize?+?1））./（SpaceSize?-?1）;
end

function?D?=?point_to_lines_dist（Point?Lines）
????x?=?Point（1）;
????y?=?Point（2）;

????T?=?[0-11;1-10;0-10;...
?????????0-11;110?;0-10;...
?????????011?;1-10;0-10;...
?????????011?;110?;0-10];
????
????L?=?Lines*T‘;
????
????P（:1）?=?（L（:1:3）*[xy1]‘）./sqrt（sum（L（:1:2）.^22））;
????P（:2）?=?（L（:4:6）*[xy1]‘）./sqrt（sum（L（:4:5）.^22））;
????P（:3）?=?（L（:7:9）*[xy1]‘）./sqrt（sum（L（:7:8）.^22））;
????P（:4）?=?（L（:10:12）*[xy1]‘）./sqrt（sum（L（:10:11）.^22））;
???
????D?=?min（abs（P）[]2）;
end


function?[VanPC]?=?find_maximum（Space?R）
????[r?c]?=?find（max（Space（:））?==?Space）;

????S?=?padarray（double（Space）[RR]）;????
????
????O?=?S（r（1）:r（1）+R*2?c（1）:c（1）+

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-11-27?18:04??Markéta?Dubská_VanishingPoints\
?????文件??????182484??2016-10-24?16:06??Markéta?Dubská_VanishingPoints\2011-CVPR-Dubska-PClines.pdf
?????文件?????1904410??2016-10-23?16:00??Markéta?Dubská_VanishingPoints\2013-BMVC-Dubska-VanishingPointsDetection.pdf
?????目錄???????????0??2016-11-27?18:05??Markéta?Dubská_VanishingPoints\code\
?????目錄???????????0??2016-11-27?18:05??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-results\
?????文件???????13732??2013-07-16?15:01??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-results\diamond_space_results.mat
?????文件?????????377??2013-07-17?10:58??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-results\readme.txt
?????目錄???????????0??2016-11-27?18:05??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-source\
?????文件????????3875??2013-07-18?13:34??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-source\diamond_vanish.m
?????文件????????7723??2013-07-17?14:31??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-source\mx_lines.cpp
?????文件????????4276??2013-07-11?15:09??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-source\mx_raster_space.cpp
?????文件????????1992??2013-07-18?11:36??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-source\readme.txt
?????文件????????4967??2013-07-18?13:34??Markéta?Dubská_VanishingPoints\code\2013-BMVC-Dubska-source\run_on_dataset.m