资源简介
image normalization
对图像归一化的matlab程序
平移、缩放和旋转归一化!
可用于模式识别,数字水印。
代码片段和文件信息
function invnormim = iminvnorm(normim height width normtform udata vdata)
%
% Perform inverse normalization on a normalized image
%
% Input:
% normim: normalized grayscale image
% height width: size of the original (unnormalized) image
% normtform: tform of normalization
% udata vdata: coordinates of the normalized image
%
% Output:
% invnormim: inversely normalized version of the normalized image
%
% Copyright (c) Yuan-Liang Tang
% Associate Professor
% Department of Information Management
% Chaoyang University of Technology
% Taichung Taiwan
% Email: yltang@cyut.edu.tw
% http://www.cyut.edu.tw/~yltang
%
% Permission is hereby granted free of charge to any person obtaining
% a copy of this software without restriction subject to the following
% conditions:
% The above copyright notice and this permission notice should be included
% in all copies or substantial portions of the Software.
%
% The Software is provided “as is“ without warranty of any kind.
%
% Created: Mar. 3 2008
% Last updated: Jul. 30 2009
%
if ~isa(normim ‘double‘)
normim = double(normim);
end
% Inverse normalization
[invnormim xdata ydata] = imtransform(normim fliptform(normtform) ...
‘UData‘ udata ‘VData‘ vdata ‘XData‘ [1 width] ‘YData‘ [1 height] ...
‘XYScale‘ 1);
figure(‘Name‘ ‘Inversely normalized‘) imshow(invnormim[]) impixelinfo;
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 58 2008-04-09 17:12 Archive created by free jZip.url
文件 1415 2009-07-30 12:56 iminvnorm.m
文件 4556 2009-07-30 12:56 imnorm.m
文件 76664 2009-03-24 20:15 lena.tif
文件 1336 2009-07-30 01:01 license.txt
文件 929 2009-07-30 12:57 test.m
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