{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9798951","patent":{"patent_number":"US-9798951","title":"Apparatus, method, and processor for measuring change in distance between a camera and an object","assignee":null,"inventors":[],"filing_date":"2014-10-14T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["G06T","G06F","G06T","G06T","G06T","G06T","G06T","G06T","G06T"],"num_claims":18,"abstract":"Provided is an apparatus for measuring a distance change, the apparatus including an information acquisition unit, an object determination unit, a feature point determination unit, an optical flow calculator, a matching point determination unit, an object length change calculator that calculates a length change ratio between an object of a first frame image and an object of a second frame image by using a feature point and a matching point, and a distance change calculator that calculates a change from a distance between a camera and the object from when the camera acquires the first frame image and when the camera acquires the second frame image using the calculated length change ratio."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus, method, and processor for measuring change in distance between a camera and an object","description":"Provided is an apparatus for measuring a distance change, the apparatus including an information acquisition unit, an object determination unit, a feature point determination unit, an optical flow cal","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9798951","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-9798951","citation_suggestion":"Patentable. \"Apparatus, method, and processor for measuring change in distance between a camera and an object\" (US-9798951). https://patentable.app/patents/US-9798951","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9798951","json":"https://patentable.app/api/llm-context/US-9798951","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:12:09.589Z"}