{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9613287","patent":{"patent_number":"US-9613287","title":"Local feature descriptor extracting apparatus, method for extracting local feature descriptor, and program","assignee":null,"inventors":[],"filing_date":"2012-11-15T00:00:00.000Z","publication_date":"2017-04-04T00:00:00.000Z","cpc_codes":["G06V","G06F","G06V","G06V"],"num_claims":16,"abstract":"The size of a feature descriptor is reduced with the accuracy of object identification maintained. A local feature descriptor extracting apparatus includes a feature point detecting unit configured to detect feature points in an image, a local region acquiring unit configured to acquire a local region for each of the feature points, a subregion dividing unit configured to divide each local region into a plurality of subregions, a subregion feature vector generating unit configured to generate a feature vector with a plurality of dimensions for each of the subregions in each local region, and a dimension selecting unit configured to select dimensions from the feature vector in each subregion so as to reduce a correlation between the feature vectors in proximate subregions based on positional relations among the subregions in each local region and output elements of the selected dimensions as a feature descriptor of the local region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Local feature descriptor extracting apparatus, method for extracting local feature descriptor, and program","description":"The size of a feature descriptor is reduced with the accuracy of object identification maintained. A local feature descriptor extracting apparatus includes a feature point detecting unit configured to","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9613287","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-9613287","citation_suggestion":"Patentable. \"Local feature descriptor extracting apparatus, method for extracting local feature descriptor, and program\" (US-9613287). https://patentable.app/patents/US-9613287","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9613287","json":"https://patentable.app/api/llm-context/US-9613287","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:20:44.799Z"}