facial expression analysis

Facial expression analysis is a process that uses technology to interpret emotions and states by examining facial movements and features. By analyzing key areas like the eyes, eyebrows, mouth, and overall face, algorithms can identify expressions such as happiness, sadness, anger, or surprise. This technique is used in various fields, including psychology, marketing, and security, to better understand how people feel or react in different situations. It combines image processing and machine learning to reliably detect subtle cues, providing insights into human emotions without needing verbal communication.