Some of the face images presented to the volunteers (IMAGE)

Hokkaido University

Some of the face images presented to the volunteers

Caption

Some of the face images presented to the volunteers. Each expression was available in three variations: unmasked, with a surgical mask and with a transparent mask. The original images were taken from the Tsinghua facial expression database, with permission (Yuki Miyazaki, et al. i-Perception. June 15, 2022).

Credit

Yuki Miyazaki, et al. i-Perception. June 15, 2022

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