The concept involves technology that can identify, extract, and interpret textual data embedded within or obscured by visual content. For instance, this could involve extracting text from signage in a photograph or deciphering words hidden within a complex graphic.
This functionality offers several advantages, including improved accessibility for visually impaired users, enhanced search capabilities for image databases, and automated data extraction from visual documents. Its development builds upon advancements in both Optical Character Recognition (OCR) and computer vision.