Isbn: 9787568297035 - ct图像环形伪影去除方法 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2021-04-01 Pages: 244 Publisher: Beijing Institute of Technology Press 7 chapters. Firstly. the principle of CT image reconstruction is expounded. the causes of annular artifacts in CT images are analyzed. and the pre-processing and post-processing methods for the removal of annular artifacts are discussed. Then. various new methods for ring artifact removal in CT images are proposed: based on L0 norm filtering; based on one-way variation and relative var.…