{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8537253","patent":{"patent_number":"US-8537253","title":"Defect pixel detection apparatus and method for detecting defect pixel","assignee":null,"inventors":[],"filing_date":"2012-08-01T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":8,"abstract":"A defect pixel detection apparatus includes an image sensor which includes an effective pixel configured to have a photoelectric conversion element and an output unit configured to output a pixel signal generated by the photoelectric conversion element, a first reference pixel configured to have the same pixel configuration as the effective pixel and be optically shielded, and a second reference pixel configured to have a pixel configuration different from that of the effective pixel, a defect level acquiring unit configured to acquire a defect level of a target pixel in the image sensor, and a defect pixel determination unit configured to determine whether the target pixel is a defect pixel by comparing a defect level of the target pixel with a defect detection threshold according to a type of the pixel."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Defect pixel detection apparatus and method for detecting defect pixel","description":"A defect pixel detection apparatus includes an image sensor which includes an effective pixel configured to have a photoelectric conversion element and an output unit configured to output a pixel sign","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8537253","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-8537253","citation_suggestion":"Patentable. \"Defect pixel detection apparatus and method for detecting defect pixel\" (US-8537253). https://patentable.app/patents/US-8537253","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8537253","json":"https://patentable.app/api/llm-context/US-8537253","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T21:12:08.962Z"}