Biomedical Image Enhancement By Means Of A Fast Polynomial Transform
Jie Ni, Ji-chen Jin, Samuel J. Dwyer, Roger H. Schneider · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1987
In this paper, it is shown that the enhancement of X-Ray and CT picture can be obtained by using Fast Polynomial Transform ( FPT) to implemention of 2-D circular convolution . A hidden modulo arithmetic of FPT with operating length 64 and a new design of simple 2-D Frequency Sampling Filter are presented. The filting convolution processing of X-Ray and CT picture is very helpful in efficiently diagnosing lung cancer and liver tubercular.