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-###[Natural Language Processing](https://www.thepythoncode.com/topic/nlp)
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- [How to Build a Spam Classifier using Keras in Python](https://www.thepythoncode.com/article/build-spam-classifier-keras-python). ([code](machine-learning/nlp/spam-classifier))
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- [How to Detect Human Faces in Python using OpenCV](https://www.thepythoncode.com/article/detect-faces-opencv-python). ([code](machine-learning/face_detection))
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-[Building a Speech Emotion Recognizer using Scikit-learn](https://www.thepythoncode.com/article/building-a-speech-emotion-recognizer-using-sklearn). ([code](machine-learning/speech-emotion-recognition))
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-[Top 8 Python Libraries For Data Scientists and Machine Learning Engineers](https://www.thepythoncode.com/article/top-python-libraries-for-data-scientists).
#[How to Detect Human Faces in Python using OpenCV](https://www.thepythoncode.com/article/detect-faces-opencv-python)
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To run this:
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-`pip3 install -r requirements.txt`
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- If you want to detect faces in a sample image like`kids.jpg`, run`face_detection.py` script that generated another image`kids_detected.jpg` which contains rectangles around detected faces.
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- If you want to detect faces in your live cam, run`live_face_detection.py`