detection function [10], [15], or by controllers manually
(e.g., draw a rectangle around a suspect object). The
results (i.e., owner’s information) are finally returned
to officers via smartphone with appropriate orders to
follow.
• Machine task: Using all information fed by officers,
controllers, or machine, the AOOD task is activated
to detect owners. After successfully detecting owners,
their faces will be registered to the blacklist, and two
further tasks are performed: (1) suspects registration
and detection from current time onwards (e.g., look
for owners in observing areas, send warrant to other
departments, etc.), and (2) face detection in storage to
get more information of owners depending on demands
of investigation progress.
AOOS has three major modules: (1) Abandoned object
detection module, (2) Abandoned object’s owner detection
module, and (3) Owner recognition module.