MATLAB图像高分辨率

用MATLAB将低分辨率处理成高分辨率，实现放大功能。

function [SupResol] = SuperresCode（Low MFactor ColorProcMethod Model）

if nargin < 4
    load MatlabR2007aSupResModel.mat;
end
if nargin < 3
    ColorProcMethod = ‘L‘;
end

BoundarySize = 9;
warning off;
BiC = imresize（LowMFactor ‘bicubic‘）;
warning on;
BiC = padarray（BiC [BoundarySizeBoundarySize] ‘symmetric‘‘both‘）;
[SupResol] = SuperresMexInt（BiC MFactor ColorProcMethod Model）;
SupResol = SupResol（BoundarySize+1:end-BoundarySizeBoundarySize+1:end-BoundarySize:）;


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function [SupResol] = SuperresMexInt（BiC MFactor ColorProcMethod Model）

[IHeightIWidthColorDim] = size（BiC）;

if ColorDim > 1 %%% if color
    if ColorProcMethod == ‘C‘
    %%% proc. each RGB channel independently
        RBiC = BiC（::1）;
        GBiC = BiC（::2）;
        BBiC = BiC（::3）;
        SupResol = zeros（size（BiC））;
        [SupResol（::1）] = SuperresMexInt（RBiC MFactor ColorProcMethod Model）;
        [SupResol（::2）] = SuperresMexInt（GBiC MFactor ColorProcMethod Model）;
        [SupResol（::3）] = SuperresMexInt（BBiC MFactor ColorProcMethod Model）;
    %%% proc. each RGB channel independently 
    else
    %%% proc. luminance component only
        CBiC = double（BiC）/255;
        YIQ = rgb2ntsc（CBiC）;
        Lum = YIQ（::1）;
        [SupResolLum] = SuperresMexInt（Lum*255 MFactor ColorProcMethod Model）;
        YIQ（::1） = SupResolLum/255;
        SupResol = ntsc2rgb（YIQ）;
        SupResol = SupResol*255;
    %%% proc. luminance component only
    end
else
    BiC = double（BiC）/255*2-1;
    if MFactor == 2
        [SupResol] = SuperresCodeMex（BiC Model.M2 MFactor）;
    elseif MFactor == 3
        [SupResol] = SuperresCodeMex（BiC Model.M3 MFactor）;
    elseif MFactor == 4
        [SupResol] = SuperresCodeMex（BiC Model.M4 MFactor）;
    else
        display（‘Mag. factor should be [234].‘）;
        return;
    end
    SupResol = （SupResol+1）/2*255;
end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-03-10 16:47  高分辨处理\
     文件       63570  2014-03-08 23:33  高分辨处理\2 （6）.jpg
     文件       40054  2008-04-30 15:50  高分辨处理\Butterfly.bmp
     文件     1628311  2008-06-22 14:53  高分辨处理\MatlabR2007aSupResModel.mat
     文件        2110  2008-06-22 17:47  高分辨处理\SuperresCode.m
     文件       26271  2008-07-02 20:28  高分辨处理\SuperresCodeMex.mexa64
     文件       26648  2008-07-02 20:28  高分辨处理\SuperresCodeMex.mexglx
     文件       28672  2008-07-02 20:28  高分辨处理\SuperresCodeMex.mexw32
     文件         433  2014-03-10 16:35  高分辨处理\Test.m
     文件         185  2008-06-22 06:41  高分辨处理\Usage.txt