Low rank approximation of grayscale images based on SVD
flowers
See
svd_gbb2.jl
for the detail.
Reading RGB Image
Original Grayscale Image A=A(365)
365 by 548 matrix, rank(A)=365
A(10): the best approximation by matirices of rank 10
A(40): the best approximation by matirices of rank 40
A(70): the best approximation by matirices of rank 70
A(100): the best approximation by matirices of rank 100