{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9749506","patent":{"patent_number":"US-9749506","title":"Image processing method and image processing device","assignee":null,"inventors":[],"filing_date":"2015-02-02T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["G06T","H04N","G06T"],"num_claims":4,"abstract":"An image processing method includes: (a) generating coefficients corresponding to pixels of a reduced image; (b) generating coefficients corresponding to pixels of an original image from the coefficients corresponding to the pixels of the reduced image, to expand the coefficients corresponding to the pixels of the reduced image to the coefficients corresponding to the pixels of the original image; and (c) multiplying pixel values by coefficients to correct the original image, wherein in step (b), the coefficients corresponding to the pixels of the original image are generated such that a spatial change of the coefficients corresponding to the pixels of the original image is caused according to a boundary between a bright portion and a dark portion, the spatial change occurring mainly on a dark side of the boundary."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing method and image processing device","description":"An image processing method includes: (a) generating coefficients corresponding to pixels of a reduced image; (b) generating coefficients corresponding to pixels of an original image from the coefficie","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9749506","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-9749506","citation_suggestion":"Patentable. \"Image processing method and image processing device\" (US-9749506). https://patentable.app/patents/US-9749506","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9749506","json":"https://patentable.app/api/llm-context/US-9749506","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:30:29.596Z"}