Low rank approximation of grayscale image based on SVD
Marina Bay Area, Singapore

See svd_marina_bay_a.m and svd_marina_bay_b.m for the detail.

Original RGB Image Original Image and Approximations
Original Grayscale Image A=A(448)
448 by 794 matrix, rank(A)=448
A(10): the best approximation by matirices of rank 10
A(50): the best approximation by matirices of rank 50 A(90): the best approximation by matirices of rank 90