R, besides being a great tool for statistics and data analysis, has many other capabilities available via various packages. One of these packages is
EBImage that facilitates user with tools for image processing. In this set of exercises we will cover its basics.
Answers to the exercises are available here.
If you obtained a different (correct) answer than those listed on the solutions page, please feel free to post your answer as a comment on that page.
Lower brightness of the image.
Increase contrast of the image.
Increase gamma of the image.
Flip the image upside down.
Rotate the image 30 degrees anti-clockwise.
Change the image to grayscale.
Use high pass filter to detect edges in the image.