convert pattern image to sinusoidal wave

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Rajbir Singh
Rajbir Singh 2019-11-1
回答： Varun Meeniga 2020-2-27
Untitled.jpg
What algorithm should be applied on above image to get that sinusoidal wave corresponding to that image?

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回答（2 个）

darova
darova 2019-11-1
Convert image (rgb2gray) and sum rows
Varun Meeniga
Varun Meeniga 2020-2-27
image=imread('sine_image.jpg');
si(1,:)=image(1,:); %stores int8 value of pixel along the horizontal direction
si=double(si); %double for easy calculations
fin_si=(si-128)/128; % changes 0 to 255 values to -128 to 127 further to -1 to 1
plot(fin_si);

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