IMAGING SYSTEMS AND METHODS FOR IMMERSIVE SURVEILLANCE

摘要

Security guards at large facilities, such as airports, monitor multiple screens that display images from individual surveillance cameras dispersed throughout the facility. If a guard zooms with a particular camera, he may lose image resolution, along with perspective on the surrounding area. Embodiments of the inventive Imaging System for Immersive Surveillance (ISIS) solve these problems by combining multiple cameras in one device. When properly mounted, example ISIS systems offer up to 360-degree, 240-megapixel views on a single screen. (Other fields of view and resolutions are also possible.) Image-stitching software merges multiple video feeds into one scene. The system also allows operators to tag and follow targets, and can monitor restricted areas and sound an alert when intruders breach them.

主权项

1. A method of determining a model representing views of a scene from cameras in an array of cameras, each camera in the array of cameras having a field of view that overlaps with the field of view of another camera in the array of cameras, the method comprising:
(A) for each pair of overlapping fields of view:
(A1) selecting image features in a region common to the overlapping fields of view;(A2) matching points corresponding to a subset of the image features in one field of view in the pair of overlapping fields of view to points corresponding the subset of the image features in the other field of view in the pair of overlapping fields of view to form a set of matched points; (B) merging at least a subset of each set of the matched points to form a set of merged points; and (C) estimating parameters associated with each field of view based on the set of merged points to form the model representing the views of the scene.