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Exercise

Privacy protection

Let's look at a real-world application of what you have learned in the course.

In this exercise, you will detect human faces in the image and for the sake of privacy, you will anonymize data by blurring people's faces in the image automatically.

Group band walking
Image preloaded as group_image.

You can use the gaussian filter for the blurriness.

The face detector is ready to use as detector and all packages needed have been imported.

Instructions

100 XP
  • Detect the faces in the image using the detector, set the minimum size of the searching window to 10 by 10 pixels.
  • Go through each detected face with a for loop.
  • Apply a gaussian filter to detect and blur faces, using a sigma of 8.