{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-12002198","patent":{"patent_number":"US-12002198","title":"Character defect detection method and device","assignee":null,"inventors":[],"filing_date":"2020-10-30T00:00:00.000Z","publication_date":"2024-06-04T00:00:00.000Z","cpc_codes":["G06T","G06V","G06T","G06T","G06T","G06V","G06T","G06T","G06T","G06T"],"num_claims":20,"abstract":"A character defect detection method and device are disclosed. The character defect detection method comprises: acquiring an image to be inspected containing a character and a template character image corresponding to the character, and converting the image to be inspected into an image having a format consistent with a format of the template character image; extracting a first valid area containing the character from the image to be inspected, and extracting a second valid area containing a template character from the template character image; obtaining a first image based on the first valid area, and obtaining a second image based on the second valid area; calculating a transformed image indicating an information difference between the first image and the second image based on the first image and the second image; and obtaining a character defect detection result of the image to be inspected based on information of the transformed image."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Character defect detection method and device","description":"A character defect detection method and device are disclosed. The character defect detection method comprises: acquiring an image to be inspected containing a character and a template character image ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-12002198","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-12002198","citation_suggestion":"Patentable. \"Character defect detection method and device\" (US-12002198). https://patentable.app/patents/US-12002198","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-12002198","json":"https://patentable.app/api/llm-context/US-12002198","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:36:30.192Z"}