Learn English – the name of equipment that is used in films, like when saying “scene one, take two”

The proper term for converting an image to black and white is binarize. The process of doing so is called binarization.

From Wiktionary:

binarize (third-person singular simple present binarizes, present participle binarizing, simple past and past participle binarized)

1. (mathematics) To represent in binary
2. To convert (an image) to only black and white.

An example usage would be: "The first step is to binarize the image by applying a threshold."

If you google images of covered courtyard, you get many images like this:

Many of these images show an area between two large buildings, with a latticed glass roof. Maybe this is enough to convince you that covered courtyard works as a description.

More specifically, such a glass-covered courtyard is called an atrium, which is probably why this word sprang to your mind. Many of the spaces depicted in the linked images might be called atriums.

Further, if you google "atrium between buildings" you get many results which depict spaces like the ones you describe. This should convince you that atrium is, if not the perfect word, a very good one.

The following photo, for instance, shows an atrium between the IBM Building and Trump Tower: