Micro Expressions: Detecting Lies in the Face and Eyes

It is a problem that lying down since the association was founded. Some people are liars, but they are not. However, regardless of whether a person is a good liar, only two-tenths of a subtle expression can appear or disappear. These microscopic expressions are a sign of emotion. Reading these microscopic expressions is a human lie detector. However. The police have a polygraph like tester that measures body temperature and voice and helps them find that the microscopic representation is more reliable when people are lying.

Paul Ekman, an anthropologist, found a look to read people's emotions. GSR is like a polygraph test, and the conductivity of the skin detects the stress level. Along with eye tracking, you can decide whether your customers are reacting to your product and how they are. Very cool way to track emotions

Currently there is a common tendency for human-computer interaction in the field of machine intelligence. Real time detection of the face and interpretation of various facial expressions such as happiness, anger, sadness, fear, surprise are based on facial features and their movement. An important element of the face is taken into account in face detection and facial expression or emotion prediction. In order to determine different facial expressions, changes in each facial expression are used. For detection and classification of facial expressions of different kinds, machine learning algorithms are used by training different sets of images. This algorithm uses machine learning by open source computer vision (OpenCV) and python.

In 1978, psychologist Paul Eckman and his collaborator Wallace Friesen published a manual to measure all facial expressions human faces can make. They discovered that the combination of various muscle movements of the human face is about 10,000. Some people have no meaning, but researchers have discovered that there are actually more than 3,000 people. The face we make is easy to distinguish, but many microscopic expressions are fast, it is difficult to find an un-trained eye. However, they are always related to the emotions that we express (usually unconsciously)

Micro expressions are quick expressions that occur quickly, but you can detect them. They last from 1 / 25th to 1 / 15th second and are betraying the potential emotions this man is trying to control. Although microexpression is usually a facial expression, it may appear in the body, such as small movements of the hand. Learning to discover micro expressions will increase your empathy and help you better understand others. When you can recognize micro expressions, you will be more sensitive to the emotions of other people You can see the candidates / people's feelings at the interview, or that he / she is about to hide can not. For example, when a candidate speaks about a boss, there is a possibility that it is disgusting for the expression of his boss (usually wrinkles are wrinkled and the upper lip is raised). Therefore, you can explore this topic in detail during the interview.