Topic: The parameters of a video such as brightness, contrast, saturation and hue, can be changed, achieving different looks of the original video. This can have various goals, from aesthetic ones, in the form of a filter, or for technical reasons, as in to properly color grade an image.
Exercise: Create a Python script file and perform the following tasks:
- Import the Numpy, OpenCV, and SKVideo libraries.
- Open a video file.
- Create one method for changing brightness and contrast, one for hue, and one for saturation.
- Apply the methods to a video file, present the results alongside the original video, and save them.
Instructions and Material for solution: Click Files to download the exercise material.
Expected results bright_con, hue & sat.
Lecture for better understanding:http://icarus.csd.auth.gr/color-theory-lecture/
This exercise was developed by A. Christidis.
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For the solutions to the exercises, please contact koroniioanna@csd.auth.gr