{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9779323","patent":{"patent_number":"US-9779323","title":"Paper sheet or presentation board such as white board with markers for assisting processing by digital cameras","assignee":null,"inventors":[],"filing_date":"2013-06-11T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04N","G06T","G06T","G06T","G06V","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","G06T","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":3,"abstract":"A surface object comprises a surface with a boundary, the surface having a background color. At least one optical marker is provided on the surface for assisting of image processing for improving appearance of an image of the surface with the boundary. At least one optical marker includes at least one color which is lighter or darker than the background color and the color different ΔE between the background color and the at least one color of the optical marker being between ΔE=2 and ΔE=18."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Paper sheet or presentation board such as white board with markers for assisting processing by digital cameras","description":"A surface object comprises a surface with a boundary, the surface having a background color. At least one optical marker is provided on the surface for assisting of image processing for improving appe","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9779323","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-9779323","citation_suggestion":"Patentable. \"Paper sheet or presentation board such as white board with markers for assisting processing by digital cameras\" (US-9779323). https://patentable.app/patents/US-9779323","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9779323","json":"https://patentable.app/api/llm-context/US-9779323","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:22:43.091Z"}