Many students with visual impairments benefit from clear contrast and decreased visual clutter. Adapting books and materials can be a time-consuming process, but there are now some free online tools to help. https://www.remove.bg/ uses AI (artificial intelligence) to detect people and automatically removes the background. At the moment it detects people as foreground and everything else as background, so it only works if there is at least one person in the photo. In the future they hope to support other kinds of images as well, such as product images.
Microsoft has created step-by-step instructions to remove other types of backgrounds, which takes a bit longer, but is more versatile.