Background removal refers to the process of isolating the foreground object or subject from the background of an image or video. This is typically done to remove distracting or unwanted elements, improve visual appeal, or prepare images for use in various media. There are various techniques for background removal, including manual selection, color-based segmentation, and machine learning-based approaches. Depending on the complexity of the image or video, background removal can be a time-consuming process requiring skill and expertise.