Indeed, small variations in expression can be very informative. The volunteers judged the bot and the human to be equally natural and realistic,” the results said."Even though the appearances of individuals in our dataset differ, their expressions share similarities which can be extracted from the configuration of their facial landmarks,” researchers at Facebook’a AI lab explained in a paper appeared on New Scientist.Facebook’s AI lab has developed bots that can mimic human expressions. Facebook's 'human-like' bots Facebook’s AI lab has developed bots that can mimic human expressions during an interaction, and adjust its own accordingly."For example, when people cringe the configuration of their eyebrows and mouth is most revealing about their emotional state.It’s controlled by a deep neural network which, while watching videos of human conversation, divided a human face into 68 key points in order to detect subtle responses and micro-expressions that tend to be similar in everyone

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