Image stitching method and camera system with an image stitching function
An image stitching method is applied to a camera system with an image stitching function, so as to combine monitoring images captured from different view angles. The camera system includes two image capturing units respectively having a first coordinate system and a second coordinate system, and monitoring regions of the two image capturing units are adjacent and include an overlapped monitoring region. The image stitching method includes detecting at least one moving object within the overlapped monitoring region, calculating at least one set of transforming parameters of the first coordinate system relative to the second coordinate system, acquiring a reliability level according to comparison result generated by mutual comparisons between several sets of transforming parameters and then further comparing with a threshold respectively, determining a final transform parameter by the reliability level, and utilizing the final transform parameter to stitch the monitoring images captured by the two image capturing units.
VIVOTEK INC.
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Wei-Ming Cheng-Chieh
Liu Liu