{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11295420","patent":{"patent_number":"US-11295420","title":"Method and device for correcting image","assignee":null,"inventors":[],"filing_date":"2020-10-29T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T","H04N","G06T","G06T","G06T"],"num_claims":20,"abstract":"A method for correcting an image includes: orthographically correcting an image; removing a curtain artifact by applying a first filter to the orthographically corrected image; correcting brightness of the image, from which the curtain artifact is removed, by applying a second filter to the image, from which the curtain artifact is removed. The first filter includes a first function and a second function for a first domain and a second domain, which are orthogonal to each other in a frequency region, and the first filter is differentiable and continuous in the first domain and the second domain."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for correcting image","description":"A method for correcting an image includes: orthographically correcting an image; removing a curtain artifact by applying a first filter to the orthographically corrected image; correcting brightness o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11295420","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-11295420","citation_suggestion":"Patentable. \"Method and device for correcting image\" (US-11295420). https://patentable.app/patents/US-11295420","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11295420","json":"https://patentable.app/api/llm-context/US-11295420","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:36:31.207Z"}