A video analysis device and a method of operating a video analysis device

摘要

A video analysis device (3), configured to receive video sequences of an environment within a field of view (8) of a camera (7), and to analyze the video sequences as regards behavior of persons present in the video sequences. The video analysis device is configured to determine a footprint (15) of at least one light source (9) illuminating an area within the field of view with coded light. The coded light carries a unique light source identification for each light source. Furthermore, the video analysis device is configured to receive association information associating at least one object (13) with the light source identification of each light source illuminating each object, and to determine an analysis area (17) within the field of view where said analysis of the video sequences is to be done. The determination is done for each object, and by means of the association information.

主权项

1. A video analysis device, configured
to receive video sequences of an environment within a field of view of a camera, and to analyze the video sequences as regards behavior of persons present in the video sequences, wherein the video analysis device is configured to run a configuration sequence, during which the video analysis device is configured to obtain a footprint of at least one light sourced illuminating an area within the field of view with coded light, the footprint being determined by one of the camera and the video analysis device by means of identifying the coded light emitted by the light source and being present in an image generated by the camera, which coded light carries a unique light source identification for each light source; characterized in that the video analysis device is farther configured to receive association information associating at least one product with the light source identification of each light source illuminating the product; and to determine, for each product, and by means of said association information and the footprint of each light source represented in the association information, an analysis area within said field of view where said analysis of the video sequences is to be done.