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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 .
Voluntary facial expressions are often socially conditioned and follow a cortical route in the brain. Conversely, involuntary facial expressions are believed to be innate and follow a subcortical route in the brain. Facial recognition can be an emotional experience for the brain and the amygdala is highly involved in the recognition process.
Pages in category "Facial expressions" The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes. ...
A smile is a facial expression formed primarily by flexing the muscles at the sides of the mouth. Some smiles include a contraction of the muscles at the corner of the eyes, an action known as a Duchenne smile. Among humans, a smile expresses delight, sociability, happiness, joy, or amusement.
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]
During infancy it is difficult to elicit discrete negative expressions like anger, distress and sadness, [9] and, perhaps unsurprisingly, the most common infant facial expression is the "cry-face". Cry-face is thought to integrate aspects of both anger and distress expressions and may indicate a shared basis in negative emotionality. [ 9 ]
The gesture is often used as a "funny face" when taking pictures. Fish lips: sucking the lips in a manner that makes the mouth look like one of a fish. Shush, the index finger of one hand is extended and placed vertically in front of the lips, with the remaining fingers curled toward the palm with the thumb forming a fist ; used to demand or ...
It should only contain pages that are Facial features or lists of Facial features, ... Facial expressions (36 P) Eye (6 C, 113 P) F. Facial hair (6 C, 10 P)