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- W2081128409 abstract "Structured Light Plethysmography (SLP) is a novel non-invasive method that uses structured light to perform pulmonary function testing that does not require physical contact with a patient. The technique produces an estimate of chest wall volume changes over time. A patient is observed continuously by two cameras and a known pattern of light (i.e. structured light) is projected onto the chest using an off-the-shelf projector. Corner features from the projected light pattern are extracted, tracked and brought into correspondence for both camera views over successive frames. A novel self calibration algorithm recovers the intrinsic and extrinsic camera parameters from these point correspondences. This information is used to reconstruct a surface approximation of the chest wall and several novel ideas for ‘cleaning up’ the reconstruction are used. The resulting volume and derived statistics (e.g. FVC, FEV) agree very well with data taken with a spirometer." @default.
- W2081128409 created "2016-06-24" @default.
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- W2081128409 date "2010-01-01" @default.
- W2081128409 modified "2023-10-03" @default.
- W2081128409 title "SLP: A Zero-Contact Non-Invasive Method for Pulmonary Function Testing" @default.
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- W2081128409 doi "https://doi.org/10.5244/c.24.85" @default.
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