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i want an new image with one pixel differance

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aaru sri
aaru sri 2019-2-7
关闭： MATLAB Answer Bot 2021-8-20
i hv lena image of [256 256 3]
now i hv to chnge one pixel .....in it

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Walter Roberson
Walter Roberson 2019-2-7
imread then make the change then imwrite.
However if the image is a JPEG file then changing just one pixel is not always possible . If you need specific pixel values to be stored then never use jpeg (but jpeg2 might be okay )

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