{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10516798","patent":{"patent_number":"US-10516798","title":"Image reading apparatus for detecting a shadow region formed by end of conveyed document","assignee":null,"inventors":[],"filing_date":"2018-09-06T00:00:00.000Z","publication_date":"2019-12-24T00:00:00.000Z","cpc_codes":["H04N","G06V","G06V","H04N","G06T","G06T","G06T","H04N","H04N","H04N","H04N"],"num_claims":9,"abstract":"An image processing apparatus includes a transparent member, a white reference member, an imaging device, a conveyance member, a light source, and a processor for detecting a dirt substance from the input image. The light source is provided such that a shadow of a leading end or rear end of the document conveyed on the transparent member is formed on the white reference member at the imaging position. The processor detects a shadow region formed by the leading end or rear end of the conveyed document from the input image and detects a dirt substance from within the detected shadow region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image reading apparatus for detecting a shadow region formed by end of conveyed document","description":"An image processing apparatus includes a transparent member, a white reference member, an imaging device, a conveyance member, a light source, and a processor for detecting a dirt substance from the i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10516798","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-10516798","citation_suggestion":"Patentable. \"Image reading apparatus for detecting a shadow region formed by end of conveyed document\" (US-10516798). https://patentable.app/patents/US-10516798","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10516798","json":"https://patentable.app/api/llm-context/US-10516798","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:36:35.761Z"}