{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9639922","patent":{"patent_number":"US-9639922","title":"Generation method of image restoration filter, image processing method, image pickup apparatus, image processing apparatus, and recording medium","assignee":null,"inventors":[],"filing_date":"2014-11-04T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T"],"num_claims":8,"abstract":"A method for generating an image restoration filter used to correct a deterioration of an image captured through an optical system includes a first step of setting a target restoration gain value representative of a target restoration degree of an absolute value of an optical transfer function of the optical system, within a restoration gain limiting value calculated by dividing a maximum value operable by a fixed-point arithmetic by a data point number of the optical transfer function, and a second step of generating, through the fixed-point arithmetic, a frequency characteristic of the image restoration filter based on the target restoration gain value set by the first step."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Generation method of image restoration filter, image processing method, image pickup apparatus, image processing apparatus, and recording medium","description":"A method for generating an image restoration filter used to correct a deterioration of an image captured through an optical system includes a first step of setting a target restoration gain value repr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9639922","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-9639922","citation_suggestion":"Patentable. \"Generation method of image restoration filter, image processing method, image pickup apparatus, image processing apparatus, and recording medium\" (US-9639922). https://patentable.app/patents/US-9639922","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9639922","json":"https://patentable.app/api/llm-context/US-9639922","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:48:53.147Z"}