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- W2068540923 abstract "Purpose: To acquire various respiratory signals simultaneously from a spirometer, a belt transducer and a CCD camera for the correlation study with organ motion Method and Materials: A PC-based sensor monitoring system was developed to acquire signals from the multiple respiratory sensors. The system incorporated a data acquisition board featuring a 16-bit A/D converter. Respiratory signals generated by a spirometer and a belt transducer were fed into the board. Patient surface markers were imaged by two IEEE-1394 cameras for obtaining 3-D positions of surface markers. The respiratory signals were displayed in real time after correction for zero-drift and time integration for tidal volume. Fluoroscopic imaging was performed to assess the correlation of each respiratory signal with a variety of organ motion. Results: A multiple respiratory sensor system was implemented with the DAQ board and PC-based program. A phase delay of around 0.2 second was observed between the spirometer and the belt transducer signal. Software triggered digital output was provided for gating a LINAC. Conclusion: A multiple respiratory sensor system is feasible using a PC-based data acquisition technology. The system is flexible in implementing a post-processing algorithm for a stabilized respiratory signal and can evaluate the correlation of a different kind of respiratory signal with a specific organ motion." @default.
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- W2068540923 date "2007-06-01" @default.
- W2068540923 modified "2023-10-17" @default.
- W2068540923 title "SU-FF-J-100: A PC-Based Multiple Respiratory Sensor System for the Correlation Study with An Organ Motion" @default.
- W2068540923 doi "https://doi.org/10.1118/1.2760605" @default.
- W2068540923 hasPublicationYear "2007" @default.
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