{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8514457","patent":{"patent_number":"US-8514457","title":"Information extraction apparatus, information extraction method, information-extraction computer program product, and storage medium","assignee":null,"inventors":[],"filing_date":"2010-05-13T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":10,"abstract":"Tools are provided for (i) obtaining image data in which information is embedded by printing multiple types of patterns in a matrix, (ii) calculating multiple vertical-line-segment sequences and multiple horizontal-line-segment sequences, obtained by connecting vertically arranged patterns and horizontally arranged patterns, respectively, in the image data with polygonal lines, (iii) searching for a vertical line segment and a horizontal line segment intersecting with each other for each combination of one of the vertical-line-segment sequences and one of the horizontal-line-segment sequences, (iv) calculating an intersection point between the thus-found vertical line segment and the horizontal line segment as a position of a pattern, and (v) extracting the information embedded in the printed material by identifying types of patterns at the calculated intersection points."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Information extraction apparatus, information extraction method, information-extraction computer program product, and storage medium","description":"Tools are provided for (i) obtaining image data in which information is embedded by printing multiple types of patterns in a matrix, (ii) calculating multiple vertical-line-segment sequences and multi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8514457","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8514457","citation_suggestion":"Patentable. \"Information extraction apparatus, information extraction method, information-extraction computer program product, and storage medium\" (US-8514457). https://patentable.app/patents/US-8514457","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8514457","json":"https://patentable.app/api/llm-context/US-8514457","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:06:52.709Z"}