{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11989908","patent":{"patent_number":"US-11989908","title":"Visual positioning method, mobile machine using the same, and computer readable storage medium","assignee":null,"inventors":[],"filing_date":"2021-09-29T00:00:00.000Z","publication_date":"2024-05-21T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T","G06T","G06T"],"num_claims":20,"abstract":"A visual positioning method and a mobile machine using the same are provided. The method includes: extracting a plurality of corner feature points corresponding to a current image; determining whether a distance between each pair of the plurality of corner feature points is less than a first preset threshold; if yes, determining whether a grayscale value of each of the plurality of corner feature points with the distance less than the first preset threshold is within a second preset threshold range; if yes, obtaining cluster set(s) of the corner feature points; screening a plurality of valid feature points from the cluster set(s); determining a positioning reliability based on a ratio of amount of the valid feature points to an amount of the plurality of corner feature points; and if the positioning reliability is within a preset range, performing a visual positioning based on the positioning reliability."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Visual positioning method, mobile machine using the same, and computer readable storage medium","description":"A visual positioning method and a mobile machine using the same are provided. The method includes: extracting a plurality of corner feature points corresponding to a current image; determining whether","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11989908","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-11989908","citation_suggestion":"Patentable. \"Visual positioning method, mobile machine using the same, and computer readable storage medium\" (US-11989908). https://patentable.app/patents/US-11989908","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11989908","json":"https://patentable.app/api/llm-context/US-11989908","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:43:08.981Z"}