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  2. Facial expression - Wikipedia

    en.wikipedia.org/wiki/Facial_expression

    The more an infant is exposed to different faces and expressions, the more able they are to recognize these emotions and then mimic them for themselves. Infants are exposed to an array of emotional expressions from birth, and evidence indicates that they imitate some facial expressions and gestures (e.g., tongue protrusion) as early as the ...

  3. List of facial expression databases - Wikipedia

    en.wikipedia.org/wiki/List_of_facial_expression...

    A facial expression database is a collection of images or video clips with facial expressions of a range of emotions. Well-annotated ( emotion -tagged) media content of facial behavior is essential for training, testing, and validation of algorithms for the development of expression recognition systems .

  4. Emotion classification - Wikipedia

    en.wikipedia.org/wiki/Emotion_classification

    In discrete emotion theory, all humans are thought to have an innate set of basic emotions that are cross-culturally recognizable.These basic emotions are described as "discrete" because they are believed to be distinguishable by an individual's facial expression and biological processes. [1]

  5. List of emoticons - Wikipedia

    en.wikipedia.org/wiki/List_of_emoticons

    This is a list of emoticons or textual portrayals of a writer's moods or facial expressions in the form of icons. Originally, these icons consisted of ASCII art, and later, Shift JIS art and Unicode art. In recent times, graphical icons, both static and animated, have joined the traditional text-based emoticons; these are commonly known as ...

  6. Facial Action Coding System - Wikipedia

    en.wikipedia.org/wiki/Facial_Action_Coding_System

    The development of FACS tools for different species allows the objective and anatomical study of facial expressions in communicative and emotional contexts. Furthermore, a cross-species analysis of facial expressions can help to answer interesting questions, such as which emotions are uniquely human. [21]

  7. Facial coding - Wikipedia

    en.wikipedia.org/wiki/Facial_coding

    Facial coding is the process of measuring human emotions through facial expressions. Emotions can be detected by computer algorithms for automatic emotion recognition that record facial expressions via webcam. This can be applied to better understanding of people’s reactions to visual stimuli.

  8. Cats have 276 different facial expressions, study finds - AOL

    www.aol.com/cats-276-different-facial...

    Cats have 276 different facial expressions, study finds. Hafsa Khalil, CNN. November 1, 2023 at 12:05 PM. ... looking at the facial expressions of cats living in multi-cat homes, feral colonies ...

  9. Emotional expression - Wikipedia

    en.wikipedia.org/wiki/Emotional_expression

    Some even suggest that certain emotions can only exist in the reciprocal exchanges of a social encounter. Since there are unique local languages and local moral orders, cultures can use the same emotion and expression in very different ways. [31] Thus, emotional expressions are culturally-prescribed performances rather than internal mental events.