Document structure information extracting and document merging apparatus using artificial intelligence

A device for extracting document structure information and merging documents using artificial intelligence (AI) that extracts structural information of a plurality of documents from style information of characters constituting the documents and generates a new document by merging the documents from which the structural information is extracted, the device comprising:

• a document image reception unit configured to receive document images from a user terminal used by a user;
• a character recognition unit configured to recognize characters included in the document images by applying optical character recognition (OCR) to the received document images;
• a paragraph recognition unit configured to recognize paragraphs on the basis of top-bottom intervals of the characters recognized from the received document images;
• and
• a paragraph attribute determination unit configured to analyze positions of the recognized paragraphs and a style of the characters constituting the paragraphs through an AI model, which utilizes data of a plurality of documents as training data, and determine attributes of the paragraphs,
• wherein the style of the characters includes information about a size, a slant, a color, and a font, and the attributes of the paragraphs include information about functions of the paragraphs.