Emotion recognition is the process of identifying and understanding human emotions based on various cues. This can include facial expressions, body language, voice tone, and even physiological signals. Technologies like artificial intelligence and machine learning are often used to analyze these cues, enabling systems to interpret emotions accurately. Applications of emotion recognition are diverse, ranging from enhancing customer service in businesses to improving mental health assessments. Tools that utilize emotion recognition can help in fields such as psychology, marketing, and human-computer interaction, providing valuable insights into how people feel and respond in different situations.