資源簡介
很經典的色調映射算法,有全局映射和局部映射。
代碼片段和文件信息
clc;
clear?all;
hdrMap?=?hdrread(‘window_series.hdr‘);
%luminance?=?0.2125?*?hdrMap(::1)?+?0.7154?*?hdrMap(::2)?+?0.0721?*?hdrMap(::3);
luminance?=??(hdrMap(::1)?+??hdrMap(::2)?+?hdrMap(::3))/3;
lmin1=min(min(luminance))
lmax1=max(max(luminance))
lldynamic=lmax1/lmin1
??fprintf(‘Tonemapping?-?Reinhard?local?operator\n‘);
saturation?=?0.6;
eps?=?0.05;
phi?=?8;%越大邊緣對比度越大
alpha?=?1/(2*sqrt(2));
tic
[ldrLocal?luminanceLocal?v?v1Final?sm?]??=?reinhardLocal(hdrMap?saturation?eps?phi);
t1=toc
???fprintf(‘Tonemapping?-?Reinhard?global?operator\n‘);
%?specify?resulting?brightness?of?the?tonampped?image.?See?reinhardGlobal.m
%?for?details
a?=0.72;%越大映射的圖像越亮
%?specify?saturation?of?the?resulting?tonemapped?image.?See?reinhardGlobal.m
%?for?details
%saturation?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1636??2014-12-10?17:04??色調映射\main.m
?????文件???????1892??2014-12-01?13:36??色調映射\reinhardGlobal.m
?????文件???????4932??2014-12-10?16:30??色調映射\reinhardLocal.m
?????目錄??????????0??2014-12-11?11:16??色調映射
-----------?---------??----------?-----??----
?????????????????8460????????????????????4
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