Robust mosaicing method, notably with correction of motion distortions and tissue deformations for in vivo fibered microscopy
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United States of America Patent
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Jul 12, 2011
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Feb 12, 2009
app pub date -
Aug 2, 2007
filing date -
Aug 2, 2007
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Abstract
A mosaicing method taking into account motion distortions, irregularly sampled frames and non-rigid deformations of the imaged tissue. The method for mosaicing frames from a video sequence acquired from a scanning device such as a scanning microscope, includes the steps of: a) compensating for motion and motion distortion due to the scanning microscope, b) applying a global optimization of inter-frame registration to align consistently the frames c) applying a construction algorithm on the registered frames to construct a mosaic, and d) applying a fine frame-to-mosaic non rigid registration. The method is based on a hierarchical framework that is able to recover a globally consistent alignment of the input frames, to compensate for the motion distortions and to capture the non-rigid deformations.
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