我想重疊兩個圖像,一個灰度和一個RGB圖像。我想將RGB圖像強加在灰度圖像的頂部,但只適用於大於特定值的像素。我嘗試在MATLAB中使用double
函數,但是這似乎改變了配色方案,我無法恢復原來的RGB顏色。我應該怎麼做才能保留原始的RGB圖像,而不是將其映射到MATLAB顏色映射之一?下面是我嘗試在疊加:重疊灰度和RGB圖像
pixelvalues = double(imread('hello.png'));
PixelInt = mean(pixelvalues,3);
I1 = ind2rgb(Brightfield(:,:,1), gray(256)); %Brightfield
I2 = ind2rgb(PixelInt, jet(256)); %RGB Image
imshow(I2,[])
[r,c,d] = size(I2);
I1 = I1(1:r,1:c,1:d);
% Replacing those pixels below threshold with Brightfield Image
threshold = 70;
I2R = I2(:,:,1); I2G = I2(:,:,2); I2B = I2(:,:,3);
I1R = I1(:,:,1); I1G = I1(:,:,2); I1B = I1(:,:,3);
I2R(PixelInt<threshold) = I1R(PixelInt<threshold);
I2G(PixelInt<threshold) = I1G(PixelInt<threshold);
I2B(PixelInt<threshold) = I1B(PixelInt<threshold);
I2(:,:,1) = I2R; I2(:,:,2) = I2G; I2(:,:,3) = I2B;
h = figure;
imshow(I2,[])
原始RGB圖像:
明視場:
覆蓋: