Action Recognition using Spatial and Temporal Features with Kernel SVM

Author(s)	Nivetha n
Country	India
Abstract	A new low-level visual feature, called Spatio-temporal context distribution feature of interest points is used to describe human actions. Each action video is expressed as a set of relative XYT coordinates between interest points listed pair wise in a local region. From the input image frames the Locally Weighted Word Context (LWWC ) descriptor encodes the spatial context interest points rather than being limited to a single interest point and the Graph Regularized Nonnegative Matrix Factorization (GNMF) is used to encode the geometrical information by constructing a nearest neighbour graph. By extracting the kernel weights of the obtained feature variables , the kernel weighted SVM is modelled to jointly capture the compatibility between multilevel action features and action classes and the compatibility between multilevel scene features and scene classes. The contextual relationship between action classes and scene classes is derived using the kernel weight as a variable.
Keywords	spatio-temporal, lwwc, gnmf, svm, kernel weight
Field	Engineering
Published In	Volume 5, Issue 4, July-August 2023
Published On	2023-07-31
Cite This	Action Recognition using Spatial and Temporal Features with Kernel SVM - Nivetha n - IJFMR Volume 5, Issue 4, July-August 2023. DOI 10.36948/ijfmr.2023.v05i04.4729
DOI	https://doi.org/10.36948/ijfmr.2023.v05i04.4729
Short DOI	https://doi.org/gskd3t

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