Abstract: In some aspects, a method for object re-identification may include obtaining a first set of images from a first camera, and a second set of images from at least one second camera; determining a first set of features based on the first set of images, the first set of features lying in a first feature space; and determining a second set of features based on the second set of images, the second set of features lying in a second feature space. The method may additionally include determining a first feature projection matrix and a second feature projection matrix that respectively map the first set of features and the second set of features to a shared feature space; and determining a common dictionary based on the shared feature space.

Abstract: An active audio-visual system and method for identifying events occurring at a location-of-interest is provided. In particular, a system that comprises a Fisheye image capturing device, an audio module and a computing module communicatively coupled to both the image capturing device and the audio module whereby all the modules and devices are provided at the location-of-interest is provided. In operation, the audio module is configured to issue a notification to the computing module when an audio event is detected at the location-of-interest. The notification, which will contain a point of origin of the audio event, will then be used by the computing module to cause the calibrated Fisheye image capturing device to provide a captured high-resolution perspective image of the point of origin of the audio signal to an event identification module for further processing.