Abstract
Eye contact is fundamental for human communication and social interactions; therefore much effort has been made to develop automated eye-contact detection using image recognition techniques. However, existing methods use first-person-videos (FPV) that need participants to equip wearable cameras. In this work, we develop an novel eye contact detection algorithm taken from normal viewpoint (third person video) assuming the scenes of conversations or social interactions. Our system have high affordability since it does not require special hardware or recording setups, moreover, can use pre-recorded videos such as Youtube and home videos. In designing algorithm, we first develop DNN-based one-sided gaze estimation algorithms which output the states whether the one subject looks at another. Afterwards, eye contact is found at the frame when the pair of one-sided gaze happens. To verify the proposed algorithm, we generate third-person eye contact video dataset using publicly available videos from Youtube. As the result, proposed algorithms performed 0.775 in precision and 0.671 in recall, while the existing method performed 0.484 in precision and 0.061 in recall, respectively.
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