Comfortable Subjective Duration and User Experience of Face Recognition
Face recognition, as an important biometric technique for personal identification, has been widely used in many departments as government, public security, banking, securities, taxation and army. However, most previous research paid more attention on technology in accuracy and speed and ignored user experience, which was our focus. We evaluated user experience of our and competing products, furthermore, quantitatively analyzed comfortable subjective duration of three stages called face detection, blink detection and picture-taking, adopting tolerance experiment and usability test. The result revealed that comfortable subjective duration of three stages were 1–2.5 s, 0.8–1.8 s, 0–0.7 s. Combined with the result of usability test, we optimized UE/UI design to enhance the user experience.
KeywordsFace recognition Comfortable subjective duration User experience
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