Object tracking and best shot detection system

Patent metadata

Field	Value
Publication number	US-11288495-B2
Application number	US-202016749334-A
Country	US
Kind code	B2
Filing date	Jan 22, 2020
Priority date	Apr 9, 2012
Publication date	Mar 29, 2022
Grant date	Mar 29, 2022

Abstract

A method and system using face tracking and object tracking is disclosed. The method and system use face tracking, location, and/or recognition to enhance object tracking, and use object tracking and/or location to enhance face tracking.

First claim

What is claimed is:

1. A method of tracking one or more targets using object tracking and face tracking, the method comprising:
automatically tracking a first target by performing object tracking on an object using a first image capture device;
automatically tracking a face of the first target using the image capture device, thereby performing face tracking; and
after a period of tracking the object as the first target, verifying that the first target still corresponds to the object, based on a combination of the object tracking and the face tracking.

2. The method as claimed in claim 1 further comprising:
verifying that the first target still corresponds to the object based on a determination that the tracked object and tracked face correspond to each other spatially.

3. The method as claimed in claim 2 , wherein the tracked object and tracked face are determined to correspond to each other spatially when a determined location of the tracked face is at a location corresponding to where a face of the tracked object is expected to be located.

4. The method of claim 3 , wherein the location corresponding to where a face of the tracked object is expected to be located is determined based on a determined or predicted location of the tracked object.

5. The method of claim 2 , wherein the tracked object and tracked face are determined to correspond to each other spatially when a predicted location of the tracked face is at a location corresponding to where a face of the tracked object is expected to be located, as determined from the object tracking.

Assignees

• Avigilon Fortress Corp

Inventors

• Brewer Paul C
• Eubanks Dana
• Gupta Himaanshu
• Scanlon W Andrew
• Venetianer Peter L
• Yin Weihong
• Yu Li
• Zhang Zhong

Classifications

• G06V20/52 Primary

  Surveillance or monitoring of activities, e.g. for recognising suspicious objects (recognising microscopic objects G06V20/69) · CPC title

• G06V40/173

  face re-identification, e.g. recognising unknown faces across different face tracks · CPC title

• G06V40/174 Primary

  Facial expression recognition · CPC title

• G06K9/00771

  Physics · mapped topic

• G06K9/00295

  Physics · mapped topic