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17 March 2007 Development of the translating and rotating volume computed tomography (TRVCT)
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We describe a novel system named TRVCT (Translating and Rotating Volume Computed Tomography), developed for computed tomography image from large object with simple method and low price. Tomogram images can be acquired when the object is translating and rotating simultaneously with vertical linear array detector. This method is different from the normal X-ray CT completely. We used fan-beam X-ray, and the direction of the detector and rotating axis are in parallel. Because a hundred or thousand tomograms with Z-axis from just one scanning, it has excellent Z-axis resolution and has an advantage that can improve the resolution in X-Y plane with changing translating speed and frequency of data acquisition. There is no ring artifact that is generated frequently in the third generation CT scanner. So, we can have high resolution tomograms from this TRVCT system. The TRVCT can be used to acquire images for large object like tire, engine, or whole car, and it can remove the scattering from X-ray for high resolution images.
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Shin-Woong Park, Yun Yi, and Jung Byung Park "Development of the translating and rotating volume computed tomography (TRVCT)", Proc. SPIE 6510, Medical Imaging 2007: Physics of Medical Imaging, 65102R (17 March 2007);

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