function?[h0?h1]?=?dfilters（fname?type）
%?DFILTERS	Generate?directional?2D?filters
%
%	[h0?h1]?=?dfilters（fname?type）
%
%?Input:
%	fname:	Filter?name.??Available?‘fname‘?are:
%		‘haar‘:		the?“Haar“?filters
%		‘vk‘:		McClellan?transformed?of?the?filter?from
%				????the?VK?book
%		‘ko‘:		orthogonal?filter?in?the?Kovacevic‘s?paper
%		‘kos‘:		smooth?‘ko‘?filter
%		‘lax‘:		17?x?17?by?Lu?Antoniou?and?Xu
%		‘sk‘:		9?x?9?by?Shah?and?Kalker
%		‘cd‘:		7?and?9?McClellan?transformed?by?
%				???????????????????????Cohen?and?Daubechies
%		‘pkva‘:		ladder?filters?by?Phong?et?al.
%		‘oqf_362‘:	regular?3?x?6?filter
%???????‘dvmlp‘??:??regular?linear?phase?biorthogonal?filter?with?3?dvm
%		‘sinc‘:		ideal?filter?（*NO?perfect?recontruction*）
%???????‘dmaxflat‘:?diamond?maxflat?filters?obtained?from?a?three?stage?ladder
%
%	?????type:	‘d‘?or?‘r‘?for?decomposition?or?reconstruction?filters
%
%?Output:
%	h0?h1:	diamond?filter?pair?（lowpass?and?highpass）

%?To?test?those?filters?（for?the?PR?condition?for?the?FIR?case）?verify?that:
%?conv2（h0?modulate2（h1?‘b‘））?+?conv2（modulate2（h0?‘b‘）?h1）?=?2
%?（replace?+?with?-?for?even?size?filters）
%
%?To?test?for?orthogonal?filter
%?conv2（h?reverse2（h））?+?modulate2（conv2（h?reverse2（h））?‘b‘）?=?2
%
%?Part?of?the?Nonsubsampled?Contourlet?Toolbox
%?（http://www.mathworks.de/matlabcentral/fileexchange/10049-nonsubsampled-contourlet-toolbox）

%?The?diamond-shaped?filter?pair

switch?fname
????case?{‘haar‘}
	if?lower（type（1））?==?‘d‘
	????h0?=?[1?1]?/?sqrt（2）;
	????h1?=?[-1?1]?/?sqrt（2）;
	else
	????h0?=?[1?1]?/?sqrt（2）;
	????h1?=?[1?-1]?/?sqrt（2）;
	end
	
????case?‘vk‘	%?in?Vetterli?and?Kovacevic?book
	if?lower（type（1））?==?‘d‘
	????h0?=?[1?2?1]?/?4;
	????h1?=?[-1?-2?6?-2?-1]?/?4;
	else
	????h0?=?[-1?2?6?2?-1]?/?4;
	????h1?=?[-1?2?-1]?/?4;
	end
	
	%?McClellan?transfrom?to?obtain?2D?diamond?filters
	t?=?[0?1?0;?1?0?1;?0?1?0]?/?4;	%?diamond?kernel
	h0?=?ftrans2（h0?t）;
	h1?=?ftrans2（h1?t）;
	
????case?‘ko‘	%?orthogonal?filters?in?Kovacevic‘s?thesis
	a0?=?2;?a1?=?0.5;?a2?=?1;
	
	h0?=?[0??????-a1?-a0*a1?0;
	??????-a2?-a0*a2?-a0????1;
	??????0?a0*a1*a2?-a1*a2?0];
	
	%?h1?=?qmf2（h0）;
	h1?=?[0?-a1*a2?-a0*a1*a2?0;
	??????1?????a0?-a0*a2?a2;
	??????0?-a0*a1??a1?0];
	
	%?Normalize?filter?sum?and?norm;
	norm?=?sqrt（2）?/?sum（h0（:））;
	
	h0?=?h0?*?norm;	
	h1?=?h1?*?norm;
	??????
	if?type?==?‘r‘
	????%?Reverse?filters?for?reconstruction
	????h0?=?h0（end:-1:1?end:-1:1）;
	????h1?=?h1（end:-1:1?end:-1:1）;
	end
????
????case?‘kos‘	%?Smooth?orthogonal?filters?in?Kovacevic‘s?thesis
	a0?=?-sqrt（3）;?a1?=?-sqrt（3）;?a2?=?2+sqrt（3）;
	
	h0?=?[0??????-a1?-a0*a1?0;
	??????-a2?-a0*a2?-a0????1;
	??????0?a0*a1*a2?-a1*a2?0];
	
	%?h1?=?qmf2（h0）;
	h1?=?[0?-a1*a2?-a0*a1*a2?0;
	??????1?????a0?-a0*a2?a2;
	??????0?-a0*a1??a1?0];
	
	%?Normalize?filter?sum?and?norm;
	norm?=?sqrt（2）?/?sum（h0（:））;
	
	h0?=?h0?*?

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

?????文件??????13383??2014-11-11?07:50??2D\dfilters.m

?????文件???????2753??2014-11-10?02:13??2D\dmaxflat.m

?????文件??????10472??2014-11-10?02:15??2D\MakeONFilter.m

?????文件???????1005??2014-11-10?02:13??2D\mctrans.m

?????文件????????713??2014-11-10?02:15??2D\MirrorFilt.m

?????文件????????921??2014-11-10?02:14??2D\modulate2.m

?????文件???????5004??2016-05-03?01:16??2D\SLcheckFilterSizes.m

?????文件????????827??2016-05-03?01:16??2D\SLcomputePSNR.m

?????文件????????669??2016-05-03?01:17??2D\SLcomputeSNR.m

?????文件????????961??2016-05-03?01:17??2D\SLdshear.m

?????文件???????1770??2016-05-03?01:14??2D\SLExampleImageDenoising.m

?????文件???????1860??2016-05-03?01:14??2D\SLExampleImageDenoisingGPU.m

?????文件???????2104??2016-05-03?01:15??2D\SLExampleImageDenoisingSerial.m

?????文件???????2293??2016-05-03?01:15??2D\SLExampleImageDenoisingSerialGPU.m

?????文件???????1832??2016-05-03?01:17??2D\SLfiltersToGPU2D.m

?????文件???????1466??2016-05-03?01:17??2D\SLfiltersToGPU3D.m

?????文件???????1895??2016-05-03?01:11??2D\SLfinishSerial2D.m

?????文件???????4213??2016-05-03?01:11??2D\SLgetShearletIdxs2D.m

?????文件???????5471??2016-05-03?01:17??2D\SLgetShearlets2D.m

?????文件???????8941??2016-05-03?01:17??2D\SLgetShearlets3D.m

?????文件???????8071??2016-05-03?01:11??2D\SLgetShearletSystem2D.m

?????文件???????3987??2016-05-03?01:12??2D\SLgetSubsystem2D.m

?????文件???????7458??2016-05-03?01:17??2D\SLgetWedgeBandpassAndLowpassFilters2D.m

?????文件???????1058??2016-05-03?01:17??2D\SLnormalizeCoefficients2D.m

?????文件???????1062??2016-05-03?01:17??2D\SLnormalizeCoefficients3D.m

?????文件???????1215??2016-05-03?01:17??2D\SLpadArray.m

?????文件???????5893??2016-05-03?01:17??2D\SLprepareFilters2D.m

?????文件???????5981??2016-05-03?01:17??2D\SLprepareFilters3D.m

?????文件???????7188??2016-05-03?01:12??2D\SLprepareSerial2D.m

?????文件???????2472??2016-05-03?01:12??2D\SLsheardec2D.m

............此處省略8個文件信息