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Content Provider | IET Digital Library |
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Author | Henawy, Ibrahim El Ahmed, Kareem Mahmoud, Hamdi |
Abstract | Recognising human activity from video stream has become one of the most interesting applications in computer vision. In this study, a novel hybrid technique for human action recognition is proposed based on fast HOG3D of integral videos and Smith–Waterman partial shape matching of the fused frame. The proposed technique is divided into two main stages, the first stage extracts a set of foreground snippets from the input video, and extracts the histogram of 3D gradient orientations from the spatio-temporal volumetric data; and the second stage fuses a set of key frames from current snippet and extracts the contours from the fused frame. Non-linear support vector machine (SVM) decision trees are used to classify HOG3D features into one of fixed action categories. On the other hand, Smith–Waterman partial shape matching is used to compare between the contour of the fused frame and the stored template contour of specified action. The results from SVM and Smith–Waterman partial shape matching are then combined. The experimental results show that combining non-linear SVM decision trees of HOG3D features and Smith–Waterman partial shape matching of fused contours improved the accuracy of the classification model while maintaining efficiency in time elapsed for training. |
Starting Page | 896 |
Ending Page | 908 |
Page Count | 13 |
ISSN | 17519659 |
Volume Number | 12 |
e-ISSN | 17519667 |
Issue Number | Issue 6, Jun (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-ipr/12/6 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2016.0627 |
Journal | IET Image Processing |
Publisher Date | 2018-01-04 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | 3D Gradient Orientation Combinatorial Mathematics Computer Vision Computer Vision And Image Processing Technique Decision Tree Fast HOG3D Feature Classification Feature Extraction Frame Fusion Human Action Recognition Human Activity Recognition Image Classification Image Fusion Image Matching Image Recognition Integral Videos Knowledge Engineering Technique Nonlinear Support Vector Machine Decision Tree Nonlinear SVM Decision Tree Smith-Waterman Partial Shape Matching Spatiotemporal Volumetric Data Support Vector Machine Video Stream |
Content Type | Text |
Resource Type | Article |
Subject | Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software |
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