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Correction for specimen movement and rotation errors for in-vivo Optical Projection Tomography

机译:校正体内光学投影层析成像的标本移动和旋转误差

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摘要

The application of optical projection tomography to in-vivo experiments is limited by specimen movement during the acquisition. We present a set of mathematical correction methods applied to the acquired data stacks to correct for movement in both directions of the image plane. These methods have been applied to correct experimental data taken from in-vivo optical projection tomography experiments in Caenorhabditis elegans. Successful reconstructions for both fluorescence and white light (absorption) measurements are shown. Since no difference between movement of the animal and movement of the rotation axis is made, this approach at the same time removes artifacts due to mechanical drifts and errors in the assumed center of rotation.
机译:光学投影层析成像技术在体内实验中的应用受到采集过程中标本运动的限制。我们提出了一套数学校正方法,应用于获取的数据堆栈,以校正在图像平面两个方向上的运动。这些方法已被用于校正从秀丽隐杆线虫体内光学投影层析成像实验中获得的实验数据。显示了荧光和白光(吸收)测量的成功重建。由于在动物的运动和旋转轴的运动之间没有区别,因此该方法同时消除了由于机械漂移和假想的旋转中心中的误差引起的伪影。

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