Uses the pretrained haarcascade_frontalface_default.xml classifier bundled with the selected OpenCV 4 package. Converts the image to grayscale ...
Emotion recognition plays an important role in understanding human cognition and behavior, and has potential applications in brain-computer interfaces and mental health monitoring.
Autistic children often express distress through temporal patterns of behavior rather than isolated facial expressions. Caregivers may misinterpret these reactions by focusing on visible context (e.g.
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