Handling Files and Images

In any kind of project, coping with files and images is a key aspect. In this sense, many projects should work with files as forms of data input. Additionally, the project can generate some data after any kind of processing has been done, which can be outputted in the form of files or images. In computer vision, this information flow (input-processing-output) takes special relevance due to the inherent characteristics of these types of projects (for example, images to be processed and models that are generated by machine learning algorithms).

In this chapter, we are going to see how we can handle both files and images. You will learn how to cope with files and images, which are necessary for building computer vision applications.

More specifically, we will cover the following topics:

• A theoretical introduction to handling files and images
• Reading/writing images
• Reading camera frames and video files
• Writing a video file
• Playing with video capture properties