Compression of Multispectral Images with Comparatively Few Bands Using Posttransform Tucker Decomposition

Algorithm 1

Input: (1) tensor ; (2) tensor size , where ; (3) core tensor size .

Output:  (1) 3 factors (); (2) a core tensor ∈ .

Begin

 Initialization for ;

 Normalize all for ;

  Do {

  For to 3 do

    For to   do

  End

   End

    For each , For do

    End

 }  While  (the stopping condition is reached)

end