Implementation of 2D Discrete Wavelet Transform by Number Theoretic Transform and 2D Overlap-Save Method

Table 1

Filtering coefficients {𝜓^2𝑗,1_𝑘,𝑙},(𝑗=2),𝜓(𝑟), are a quadratic spline wavelet.

𝑙/𝑘	𝑘=0	𝑘=1	𝑘=2	𝑘=3
𝑙=0	−0.0838140026	−0.0472041145	−0.0129809398	−0.0012592132
𝑙=1	−0.1416904181	−0.0758706033	−0.0196341425	−0.0012698699
𝑙=2	−0.0651057437	−0.0327749476	−0.0063385521	−0.0000750836
𝑙=3	−0.0088690016	−0.0030044997	−0.0001088651