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⛄ 内容介绍
基于快速链接 SCM 进行图像分割附matlab代码
⛄ 部分代码
% Reference:
% [2] K Zhan, J Teng, J Shi, Q Li, M Wang,
% "Feature linking model for image enhancement,"
% Neural Computation, 2016.
function GS = GrayStretch(I,Per)
[m,M] = FindingMm(I,Per);
GS = uint8((double(I)-m)./(M-m)*255);
end
function [minI,MaxI] = FindingMm(I,Per)
h = imhist(I);
All = sum(h);
ph = h./All;
mth_ceiling = BoundFinding(ph,Per);
Mph=fliplr(ph')';
Mth_floor = BoundFinding(Mph,Per);
Mth_floor = 256 - Mth_floor + 1;
ConstraintJudge = @(x,y) sum(h(x:y))/All >= Per;
Difference = zeros(256,256)+inf;
for m = mth_ceiling:-1:1
for M = Mth_floor:256
if (h(m) >0 )&&(h(M) > 0)
if ConstraintJudge(m,M)
Difference(m,M) = M - m;
end
end
end
end
minD = min(Difference(:));
[m, M] = find(Difference==minD);
minI = m(1) - 1;
MaxI = M(1) - 1;
end
function m_ceiling = BoundFinding(ph,Per)
cumP = cumsum(ph);
n = 1;
residualP = 1-Per;
while cumP(n)<residualP
n = n+1;
end
m_ceiling = n;
end
⛄ 运行结果
⛄ 参考文献
[1] K Zhan, J Shi, Q Li, J Teng, M Wang, "Image segmentation using fast linking SCM," in Proc. of IJCNN, vol. 25, pp. 2093-2100, 2015.
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