３角標本化と分割処理による高速な画像再構成アルゴリズム

矢島 邦昭; 田山 典男

doi:10.11371/wiieej.06-01.0_65

Reports of the 226th Technical Conference of the Institute of Image Electronics Engineers of Japan

Session ID : 06-01-17

DOI https://doi.org/10.11371/wiieej.06-01.0_65

Conference information

Co-host: The Institute of Image Electronics Engineers of Japan, The Institute of Image Information and Television Engineers

16:10-17:30 Chair: Ken-Ichi TANAKA, Meiji University

First Image Reconstruction Algorithm by the Triangular Sampling and the Block Reconstruction

*Kuniaki YAJIMA, Norio TAYAMA

Author information

Keywords: WMR method, Wavelet Sampling Function, Triangular sampling, Multi Wavelet Function, Block Reconstruction

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Abstract

We had proposed the WMR method. The images can be restructured from few number of projection data at high speed. The algorithm is composed of the wavelet sampling function and the SVD. Therefore, the reconstruction became difficult because of an increase in the number of sampling points. To decrease the number of sampling points in the reconstruction area, the triangular sampling was applied. In addition, we applied the multi wavelet sampling and the block reconstruction method. As a result, the accuracy was improved and the calculation time was shortened.

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