We can find RMSE error between two gray scale image and then find peak-signal-to-noise ration (PSNR) value. However, in multispectral images an image consist of 4-10 spectral bands. What is the correct approach to calculate PSNR in MS images?
Dear Helal Uddin Mullah,
Look the link, maybe helpful.
https://pdfs.semanticscholar.org/8709/62abc380eb6bfb645f15c44c39fcc6fa15be.pdf
https://pdfs.semanticscholar.org/152b/5c789fa1eedb1b0ab0a5f39d06bcab07730d.pdf
Regards, Shafagat
this link is useful
https://arxiv.org/pdf/1801.03577
regards
Follow this link
https://classroom.synonym.com/calculate-psnr-2653.html
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