Efficient Framework Using Morphological Modeling for Frequent Iris Movement Investigation towards Questionable Observer Detection

Abstract

This research presents a framework to detect a questionable observer depending on a specific activity named "frequent iris movement". We have focused on some activities and behaviors upon which we can classify one as questionable. So this research area is not only an important part of computer vision and artificial intelligence, but also a major part of human activity recognition (HAR). We have used Haar Cascade Classifier to detect irises of both left and right eyes. Then running some morphological operation we have detected the midpoint between left and right irises; and based on some characteristics of midpoint movement we have detected a specific activityfrequent iris movement. Depending on this activity we are declaring someone as questionable observer. To validate this research we have created our own dataset with 86 videos, where 15 individuals have volunteered. We have achieved an accuracy of 90% for the first 100 frames or 3.33 seconds of each of our videos and an accuracy of 93% for the first 150 frames or 5.00 seconds of each of our videos. No work has been done yet on basis of this specific activity to detect someone as questionable and furthermore our work outperforms most of the existing work on questionable observe detection and suspicious activity recognition.

A New Framework for Video-based Frequent Iris Movement Analysis towards Anomaly Observer Detection

“…The Fig.16 mark for the Public Transportation Field shows the precision of the identification work of Elhamod et al The BEHAVE CAVIAR and PETS 2006 data collection has achieved an accuracy of 66 percent [38]. The second last bar represents accuracy [20] with a data set of its own. They also reached an accuracy of 93 percent.…”

“…[15][16][17][18][19]); as far as we know, none of the behaviors listed above has been identified for dubious observer detection. Very little research has been conducted on irregular behavior identification [21] and dubious spectator detection [20,22,23] and the identification of disruptive crowd movements [24].…”

“…Maximum accused people seek to prevent touch with their eyes and attempt to perceive the environment or circumstances while using the side of their eyes. Such people typically switch their iris vertical or horizontal more frequently than a normal person [20]. When a questionably suspect observer tries to hide his or her goal or remorse, he or she may most of the time stop eye contact, which may be a good sign for a dubious observer.…”