Table 1: Reconstruction performance of different interpolation methods on time reversal algorithm (5% noise).

Time reversal methodMSE (30)PSNR (30)TIME (30)/sMSE (50)PSNR (50)TIME (50)/s

Conventional0.32211.711400.19043.99550
Linear interpolation0.13625.45040.10970.04989.81490.1091
Cubic convolution interpolation0.13175.59540.00990.04909.88760.0100
Cubic spline interpolation0.12205.92870.01220.04809.97520.0124
PSO optimized SVM interpolation0.07657.95690.49580.024012.98150.4977