[英]Histogram of ECG image in matlab
我想問一下如何找到心電圖圖像的直方圖? 由於我的程序給出以下錯誤:
Function IMHIST expected its first input, I or X, to be two-dimensional.
Error in ==> imhist>parse_inputs at 216
iptcheckinput(a, {'double','uint8','logical','uint16','int16','single'}, ...
Error in ==> imhist at 57
[a, n, isScaled, top, map] = parse_inputs(varargin{:});
我的程序是:
Im1 = imread('pic1.jpg');Im = im2double(Im1);figure,imhist(Im)
圖像很可能存儲為RGB。 因此,您必須將其轉換為灰度:
Im1 = imread('pic1.jpg');
Im = im2double(Im1);
Im = rgb2gray(Im); %# convert to grayscale
figure,imhist(Im)
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