International Journal of Soft Computing And Artificial Intelligence (IJSCAI)
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  Journal Paper

Paper Title
Automated Detection of Multiple Actions Based on Hog Features

Abstract
The main objective of our work is to present a method to remark multiple human actions (predefined set) in an input video automatically. Having considered the recent experiences with the field we use Histogram of Gradient HoG algorithm for feature extraction and a general classifier for classification and regression. Finally, we present a fully automatic set up with action learning and classification obtained for a training data set. We have also implemented it for single action. As a part of preprocessing, first the input video is divided into a number of frames and each frame is stored in a file and displayed on the screen during the whole run. Next, the above frames are segmented into two parts from the middle and are stored in different files. This process makes identification of features much easier. As a part of feature extraction each frame is first converted into grace scale image and a fixed size, then HoG feature extraction algorithm is applied and each processed frame is compared with the set of relevant images to complete the process. The classifier is used for classification which uses feature vector obtained for each frame as an input. It should also be noted that the complete process of classification takes place twice for a single video due to segmentation of each frame. Index Terms— Histogram of Gradient HoG; preprocessing; feature extraction, classifier.


Author - Renuka Devi M.N, Swetha Agarwal, Gowri Srinivasa

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| Published on 2016-12-19
   
   
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