JOURNAL ARTICLE

Non-Iterative Directional Algebraic Reconstruction Technique to Improve the Reconstruction Time in Electrical Capacitance Tomography

Ji-Hoon KimKyung Youn KimIn-Soo Lee

Year: 2016 Journal:   The Journal of Korean Institute of Information Technology Vol: 14 (8)Pages: 21-21   Publisher: Indonesian Institute of Information Technology

Abstract

전기 정전용량 단층촬영법(ECT, Electrical Capacitance Tomography)을 위한 복원알고리즘에서 비반복적 알고리즘은 일반적으로 구조가 간단하고 복원결과를 빠르게 얻을 수 있지만, 복원영상의 질이 만족스럽지 않다. 그러나 반복적인 알고리즘은 상대적으로 우수한 영상을 얻을 수 있지만 큰 계산 부하로 인해 오프라인으로만 사용된다. 본 논문에서는 비반복적인 방향 대수적 영상복원기법(NIDART, Non-Iterative Directional Algebraic Reconstruction Technique)이라고 불리는 고속 영상복원 알고리즘을 제안한다. 제안한 방법은 반복법인 DART와 동일한 질의 영상을 복원하지만 복원시간은 줄일 수 있다. 제안한 알고리즘은 복원시간을 개선하기 위해, 오프라인에서 계산된 가중행렬을 사용한다. 컴퓨터 시뮬레이션 결과들로 부터 LBP와 DART 알고리즘에 비해 제안하는 방법의 향상된 성능을 입증하였다.

Keywords:
Electrical capacitance tomography Algebraic Reconstruction Technique Capacitance Iterative reconstruction Tomography Iterative method Algebraic number Dart Computer science Algorithm Mathematics Physics Optics Computer vision Mathematical analysis Electrode

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Citation History

Topics

Electrical and Bioimpedance Tomography
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Atomic and Subatomic Physics Research
Physical Sciences →  Physics and Astronomy →  Atomic and Molecular Physics, and Optics
Advanced MRI Techniques and Applications
Health Sciences →  Medicine →  Radiology, Nuclear Medicine and Imaging

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