2-D FIR Filter

• Difference equation

y(n) = 2 x(n1,n2) + 3 x(n1-1,n2) + x(n1,n2-1) + x(n1-1,n2-1)

• Vector dot product plus keep M1 rows in memory and circularly buffer input

• Flow graph

a(m1,m2)

x(n1,n2)

m2

m1

n2

n1 (rows)

Previous slide

Next slide

Back to first slide

View graphic version