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4 cards from this section. Quick, good the night before a test.
What function is used to convert a color image to grayscale in OpenCV?
Think of the function that changes color formats.
What is the role of the Haar Cascade classifier in face detection?
It's a model trained to recognize specific objects.
What must you do before detecting faces in an image?
What does simplifying the image help with?
True or False: The Haar Cascade classifier is trained to recognize various objects beyond just faces.
Consider the versatility of the model.
Create a Python script that detects and highlights faces in an image and writes a brief report discussing the choices made for parameters.
Think about how to balance accuracy and speed.
Design an algorithm combining face detection with emotion recognition, detailing how you'd implement both techniques in your code.
What data will you need for emotion recognition?
6 more questions in this section. Enroll free to practise them all.
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