The document discusses the development of a new smartphone app called PhotoScan which allows users to digitally scan physical photos and documents into high-quality digital files using just a smartphone camera. The app uses advanced computer vision and machine learning algorithms to detect the edges of each photo or page and then stitches together the images into a single high-quality digital file accessible via the user's smartphone photo gallery. PhotoScan aims to make digitizing important family photos or documents as simple as taking a picture.

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