How to upsample a picture with initial values?

20 Mag 2021
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Aggiornato 20 Mag 2021
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I would like to upsample a matrix, to increase the resolution of a picture, in the way that the upsampled picture has the initial value (1x1) on 4x4. Any help?

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Christopher McCausland
Christopher McCausland il 20 Mag 2021

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Hi Benat,
MATLAB as an inbuilt function to do this for you. Let me know if you need any other help.
Christopher

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