标题 |
An analytical form of ring artifact correction for computed tomography based on directional gradient domain optimization
基于方向梯度域优化的计算机层析成像环形伪影校正解析形式
相关领域
工件(错误)
计算机视觉
戒指(化学)
计算机科学
人工智能
计算机断层摄影术
领域(数学分析)
断层摄影术
算法
数学
物理
光学
放射科
医学
数学分析
有机化学
化学
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Ring artifact is a common problem in Computed Tomography (CT), which can lead to inaccurate diagnoses and treatment plans. It can be caused by various factors such as detector imperfections, anti-scatter grids, or other nonuniform filters placed in the x-ray beam. Physics-based corrections for these x-ray source and detector non-uniformity, in general cannot completely get rid of the ring artifacts. Therefore, there is a need for a robust method that can effectively remove ring artifacts in the image domain while preserving details. Purpose |
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