Abstract

Face detection and recognition is an important topic in security. Currently, ubiquitous monitoring has received a large amount of attention. This paper proposes a cloud-based ubiquitous monitoring system via face recognition. It consists of a monitoring client module for face detection and recognition and a cloud storage module for data visualization. In the monitoring client module, the center-symmetric local Gabor binary pattern feature extraction method is proposed for face recognition, which combines improved multi-scale Gabor and center-symmetric local binary pattern (CS-LBP) features. This method maintains crucial local features, reduces the Gabor filter complexity, and adds rotational invariance and more precise texture information. A large number of experiments on the ORL, Yale-B, and Yale databases show that the proposed method obtains significantly better recognition rates than the LBP, CS-LBP, and Scale Gabor methods. Furthermore, we propose a Web browser-based data visualization that renders the geographic locations of the face detection and recognition results.

Highlights

  • Biometric recognition verifies a person’s identity automatically based on his or her anatomical and behavioral characteristics [1,2]

  • This paper proposes a cloud-based monitoring system that consists of face detection and recognition, cloud storage, and data visualization modules

  • A novel feature extraction method called as center-symmetric local gabor binary pattern (CS-LGBP) has been proposed

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Summary

Introduction

Biometric recognition verifies a person’s identity automatically based on his or her anatomical and behavioral characteristics [1,2]. This paper proposes a cloud-based monitoring system that consists of face detection and recognition, cloud storage, and data visualization modules. The obtained data, including the detected face number, location, personal identification, and other information, are sent to cloud storage, and rendered in a global map such as Google Maps or OpenStreetMap (OSM) for ubiquitous monitoring. The local feature extraction approaches mainly include local binary pattern (LBP) [17], Gabor [18], and SIFT [19] methods and their modified models. They have proved to be more robust to slight lighting and pose variations, especially the Gabor features.

Face detection
Multi-scale Gabor feature
CS-LBP feature
CS-LGBP feature extraction
Cloud-based monitoring system
Face detection results
Face recognition results
Data visualization results
Findings
Conclusions
Full Text
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