{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9672602","patent":{"patent_number":"US-9672602","title":"Projection image correcting apparatus, method for correcting image to be projected, and program","assignee":null,"inventors":[],"filing_date":"2015-03-09T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["G06T","G06T","H04N","H04N"],"num_claims":9,"abstract":"A projection image correcting apparatus for correcting, according to a three-dimensional shape of a projection surface, an original image to be projected, includes a projecting unit configured to project a pattern image on the projection surface, by controlling an image projecting device; a capturing unit configured to obtain a captured image of the projection surface on which the pattern image is projected, by controlling an image capturing device; a feature point extracting unit configured to extract feature points in the captured image corresponding to feature points in the pattern image; and a three-dimensional coordinates measuring unit configured to measure, by triangulation using the extracted feature points, three-dimensional coordinates of a plurality of measuring points on the projection surface corresponding to the feature points; and a reliability calculating unit configured to calculate reliabilities of the measuring points."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Projection image correcting apparatus, method for correcting image to be projected, and program","description":"A projection image correcting apparatus for correcting, according to a three-dimensional shape of a projection surface, an original image to be projected, includes a projecting unit configured to proj","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9672602","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-9672602","citation_suggestion":"Patentable. \"Projection image correcting apparatus, method for correcting image to be projected, and program\" (US-9672602). https://patentable.app/patents/US-9672602","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9672602","json":"https://patentable.app/api/llm-context/US-9672602","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:13:02.460Z"}