{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11983888","patent":{"patent_number":"US-11983888","title":"Image change detection device and image change detection method","assignee":null,"inventors":[],"filing_date":"2021-12-30T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["G06T","G06T","G01S","G06T","G01S","G01S","G06T"],"num_claims":6,"abstract":"This image change detection device includes a subspace updating unit that, when a determination unit determines that there has been no change, updates a first subspace by rotating the first subspace so that the first subspace approaches a second subspace. When the determination unit determines that there has been no change, a degree-of-change calculating unit calculates the degree of change between the first subspace updated by the subspace updating unit and a second subspace whose bases are left singular vectors of an image in a change detection period next to a change detection period."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image change detection device and image change detection method","description":"This image change detection device includes a subspace updating unit that, when a determination unit determines that there has been no change, updates a first subspace by rotating the first subspace s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11983888","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-11983888","citation_suggestion":"Patentable. \"Image change detection device and image change detection method\" (US-11983888). https://patentable.app/patents/US-11983888","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11983888","json":"https://patentable.app/api/llm-context/US-11983888","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:25:40.983Z"}