Volume 13 Number 1 (Jan. 2018)
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JCP 2018 Vol.13(1): 18-34 ISSN: 1796-203X
doi: 10.17706/jcp.13.1.18-34

Local Patterns and Big Time Series Data for Facial Poses Classification

Hayet Mekami1, Sidahmed Benabderrahmane2, Abdennacer Bounoua1, Abdelmalik Taleb- Ahmed3
1Djillali Liabes University, Electrical Engineering Department, Bel Abbes 22000, Algeria.
2Paris 8 University, CS Department, LIASD, 2 Rue de la Liberté, 93526 Saint-Denis, France.
3Valenciennes University, Voirie Communale Université Val Mont Houy, 59300 Famars, France.

Abstract—The problem of identifying and analyzing faces in images is a fundamental task in computer vision. Though great progress has been achieved in face detection, it is still difficult to obtain the pose estimation. In this paper we propose a pose estimation approach that is based on time series representation. We have converted input images of faces into big time series datasets, and we then used a dimensionality reduction method to convert the original series to a symbolic representation. Classification algorithms are then applied using the distances between the symbolic sequences of time series. Since external conditions when capturing images are not always optimal, pose estimation can become a challenge. In order to overcome such problems, we propose to use the gradient image and the Local Binary Pattern (LBP) combined with dynamic morphological quotient image (DMQI-LBP), where these descriptors are robust to changes in illumination. Classification algorithms such as K-means, SVM and KNN were evaluated to classify frontal vs profile faces poses, and the obtained experimental results show that the proposed method is very efficient.

Index Terms—Time series, machine learning, facial pose classification, image processing, data mining.


Cite: Hayet Mekami, Sidahmed Benabderrahmane, Abdennacer Bounoua, Abdelmalik Taleb- Ahmed, "Local Patterns and Big Time Series Data for Facial Poses Classification," Journal of Computers vol. 13, no. 1, pp. 18-34, 2018.

General Information

ISSN: 1796-203X
Frequency: Monthly (2006-2014); Bimonthly (Since 2015)
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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