{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9589198","patent":{"patent_number":"US-9589198","title":"Camera based method for text input and keyword detection","assignee":null,"inventors":[],"filing_date":"2015-03-05T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["G06V","G06T","G06V","G06V","H04N","H04N","H04N","H04N"],"num_claims":18,"abstract":"The present invention relates to a camera based method for text input and detection of a keyword or of a text-part within page or a screen comprising the steps of: directing a camera module on the printed page and capturing an image thereof; digital image filtering of the captured image; detection of word blocks contained in the image, each word block containing most likely a recognizable word; performing OCR within each word block; determination of A-blocks among the word blocks according to a keyword probability determination rule, wherein each of the A-blocks contains most likely the keyword; assignment of an attribute to each A-block; indication of the A-blocks in the display by a frame or the like for a further selection of the keyword; further selection of the A-block containing the keyword based on the displayed attribute of the keyword; forwarding the text content as text input to an application."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Camera based method for text input and keyword detection","description":"The present invention relates to a camera based method for text input and detection of a keyword or of a text-part within page or a screen comprising the steps of: directing a camera module on the pri","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9589198","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-9589198","citation_suggestion":"Patentable. \"Camera based method for text input and keyword detection\" (US-9589198). https://patentable.app/patents/US-9589198","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9589198","json":"https://patentable.app/api/llm-context/US-9589198","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:38:45.910Z"}