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Motion Trajectory for Human Action Recognition Using Fourier Temporal Features of Skeleton Joints

Naresh Kumar and Nagarajan Sukavanam
Department of Mathematics, Indian Institute of Technology Roorkee-247667, India

Abstract—Spatial and temporal dynamics of human being create a rich set of information to process and analyze very important human activities that can attract the attention of various discipline of real life applications. Finer view of data modality for human body can be characterized by skeleton, contour, silhouette and articulated geometrical shapes. All modalities of a video are be affected by challenging vision problems like view invariance, occlusion and camera calibration at varying scale. In this work, we focused skeleton based human activity recognition and proposed motion trajectory computation scheme using Fourier temporal features from the interpolation of skeleton joints of human body. This is accomplished by considering human motion as trajectory of skeleton joints. Experimental observations ensures that this approach outperforms many of state of the arts. The proposed algorithm is tested on MSRAction3D benchmark dataset. For this we have experimented on three action sets AS1, AS2 and AS3 categorized from the dataset. After different training and testing samples this gives overall accuracy 95.32% for human action recognition.

Index Terms—human action recognition, Histogram of Gradient (HoG), Microsoft Kinect sensor, motion trajectory, human skeleton

Cite: Naresh Kumar and Nagarajan Sukavanam, "Motion Trajectory for Human Action Recognition Using Fourier Temporal Features of Skeleton Joints," Journal of Image and Graphics, Vol. 6, No. 2, pp. 174-180, December 2018. doi: 10.18178/joig.6.2.174-180

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