Vehicle counting methods and systems utilizing compressed video streams

摘要

This disclosure provides method and systems of recording a predetermined event associated with a moving object, the predetermined event captured with an image capturing unit and one or more of the associated frames compressed, producing one or more motion vectors. According to one exemplary embodiment, vehicle counting is performed based on motion vectors produced during the data compression process, either inline or offline.

主权项

1. A computer implemented method of recording the occurrence of a predetermined event associated with a moving object, the predetermined event captured using an image capturing device directed towards a target region associated with the predetermined event, the method comprising: a) the image capturing device acquiring a series of temporal related image frames including the target region, each image frame including pixel data representative of the image frame; b) compressing the pixel data associated with one or more of the image frames using a compression process configured to generate one or more motion vectors representative of the moving object, step b) including: b1) compressing the pixel data associated with the one or more image frames using a compression process configured to generate one or more motion vectors representative of the moving object; b2) communicating the compressed pixel data of step b1) to a data storage device; and b3) extracting the one or more motion vectors from the compressed pixel data communicated to the storage device; c) determining if the predetermined event occurred based on the one or more motion vectors representative of the moving object; and d) recording and incrementally counting the occurrence of the predetermined event if step c) determines the predetermined event occurred.