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Automated Scoring of Video Clips Using Extracted Physiological Features

Author(s):
Chen, Lei; Feng, Gary; Leong, Chee Wee; Lee, Chong Min
Patent Issued:
Oct 13, 2020
Patent Number:
10,803,318
Source:
ETS Patent
Document Type:
Patent
Family ID:
72750095
Subject/Key Words:
Patent, Active Patent, Video, Visual Data, Automated Scoring

Abstract

Systems and methods are provided for scoring video clips using visual feature extraction. A signal including a video clip of a subject is received. For each frame of the video clip, physiological features of the subject visually rendered in the video clip are extracted. A plurality of visual words associated with the extracted physiological features are determined. A document including the plurality of visual words is generated. A plurality of feature vectors associated with the document are determined. The plurality of feature vectors to a regression model for scoring are provided.

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