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Fig. 2 | Radiation Oncology

Fig. 2

From: Reduction of breathing irregularity-related motion artifacts in low-pitch spiral 4D CT by optimized projection binning

Fig. 2

Comparison of the considered reconstruction approaches. Artifacts were reduced by the advanced reconstruction approach AR for a wide range of breathing irregularity (compare breathing curves on the right hand side). The effect is, however, most pronounced in the case of relatively irregular breathing patterns and usually most visible in images at breathing states close to the end-inspiration state

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