DICOM, pixel value
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how to proceed to find specific pixel value range (suppose 1000 to 1500) in a 512x512 16 uint DICOM image and color this range with yellow or any color ?
2 个评论
KALYAN ACHARJYA
2020-1-8
Rik
2020-1-8
Note that in the case of CT you need to account for the RescaleSlope and RescaleIntercept DICOM attributes to scale the data to HU. If you want to do that, you will need to use either the double data type, or int16 to account for negative values.
采纳的回答
Walter Roberson
2020-1-8
img = dicomread(FileName);
mask = 1000 <= img & img <= 1500;
R = img; R(mask) = 0; %yellow is 0, max, max
G = img; G(mask) = intmax(class(img));
B = img; B(mask) = intmax(class(img));
RGB = cat(3, R, G, B);
image(RGB)
更多回答（1 个）
Selva Karna
2020-1-8
clc
clear all;
close all;
your_dcm=dcmread('dcm/root');
ms=your_dcm>=a&your_dcm>=b;
rl=your_dcm;
fhol=find(ms==1);
rl(fhol)=0;
RGB_IMAGE(:,:,1)=rl;
RGB(:,:,2)=your_dcm;
RGB(:,:,3)=your_dcm;
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