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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 .
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Facial expressions" The following 36 pages are in this category, out of 36 ...
Facial expressions (36 P) Eye (6 C, ... Printable version; ... It should only contain pages that are Facial features or lists of Facial features, ...
Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Facial expressions (36 P) Eye (6 C, 113 P) F. Face transplant recipients (4 P)
Facial expression is the motion and positioning of the muscles beneath the skin of the face. These movements convey the emotional state of an individual to observers and are a form of nonverbal communication.
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]
Microexpressions can be difficult to recognize, but still images and video can make them easier to perceive. In order to learn how to recognize the way that various emotions register across parts of the face, Ekman and Friesen recommend the study of what they call "facial blueprint photographs", photographic studies of "the same person showing all the emotions" under consistent photographic ...
Illustration of facial muscles and other tissue of the lateral human head and neck. It is a long-held belief that it takes more muscles to frown than it does to smile. [16] It is difficult to determine exactly how many muscles are involved in smiling or frowning as there is a wide range of facial expressions that might be considered a frown or ...