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Physiognomy (from Greek φύσις (physis) 'nature' and γνώμων (gnomon) 'judge, interpreter') or face reading is the practice of assessing a person's character or personality from their outer appearance—especially the face.
The occipital face area is activated by the visual perception of single features of the face, for example, the nose and mouth, and preferred combination of two-eyes over other combinations. This suggests that the occipital face area recognizes the parts of the face at the early stages of recognition.
The Sanskrit term "Samudrika Shastra" translates roughly as "knowledge of body features." It is related to astrology and palmistry (Hast-samudrika), as well as phrenology (kapal-samudrik) and face reading (physiognomy, mukh-samudrik). [1] [2] It is also one of the themes incorporated into the ancient Hindu text, the Garuda Purana. [3]
In these approaches no global structure of the face is calculated which links the facial features or parts. [25] Purely feature based approaches to facial recognition were overtaken in the late 1990s by the Bochum system, which used Gabor filter to record the face features and computed a grid of the face structure to link the features. [26]
This pattern is how different features of a face are singled out to be evaluated and scored. There will be a pattern to evaluate symmetry, whether there is any style of facial hair, where the hairline is, or an evaluation of the size of the nose or mouth. Other eigenfaces have patterns that are less simple to identify, and the image of the ...
The universality hypothesis is the assumption that certain facial expressions and face-related acts or events are signals of specific emotions (happiness with laughter and smiling, sadness with tears, anger with a clenched jaw, fear with a grimace, or gurn, surprise with raised eyebrows and wide eyes along with a slight retraction of the ears ...
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The Thatcher illusion has also been useful in revealing the psychology of face recognition. Typically, experiments using the Thatcher illusion look at the time required to see the inconsistent features either upright or inverted. [7] Such measures have been used to determine the nature of the processing of holistic facial images. [8]