write an image file

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Elysi Cochin 2020-4-1

回答： Image Analyst 2020-4-1

i have a image im of uint16 datatype

figure(1), imshow(im)
figure(2), imshow(uint8(im))
figure(3), imshow(im,[])

all the above lines displays the image in different format

How to write the image in as obtained in 3rd figure format

krishna kotha 2020-4-1

hii iam krishna

it is clearely mentioned in matlab help

Read here

for imwrite

and here for print

Image Analyst 2020-4-1

You need to scale it to 0-255 first (which is what [] does), and then cast to uint8:

image8 = uint8(rescale(im, 0, 255));
imwrite(filename, image8);

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