Face Detection
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Face Detection Technique Pattern Recognition Appraoche
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Face Detection
- 2. Problem Definition & History Face Detection Where is the face? Face Recognition Who is this?
- 5. Voila-Jones Approach AI section Learning based on AdaBoost Classifier Cascade PR section Integral Image Haar-Like Features
- 6. Integral Image New image representation which allows the features used by our detector to be computed very quickly.
- 7. Haar-Like Features New method to detect the features of a face in an Image
- 8. Classifier Cascade Which allows background region of the image to be discarded quickly, while spending more computations on promising the object-like region
- 9. Adaptive-Boost A learning Algorithm, which selects a small number of critical visual features from a large set.
- 11. Integral Image
- 15. Detect if there is a face!
- 16. OpenCV Face Detection, Visualization
- 18. Thanks.
Editor's Notes
- Most modern Algorithms are based on the viola-jones object detection framework, which is based on Haar-Cascade
- What is that?
- Two Rectangle, Three Rectangle, and Four Rectangle.
- Next page, Example.
- Next page, another example.
- Next page, how does it work?
- Take a part of the image and check if there are face features? Next page, Video to visualize the whole process.