{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9721331","patent":{"patent_number":"US-9721331","title":"Digital filter, and image generating, superhybrid image generating, electronic medium manufacturing, and letter-row tilt illusion generating apparatus, method and program","assignee":null,"inventors":[],"filing_date":"2014-08-28T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T"],"num_claims":21,"abstract":"In the present invention, subband signals are obtained by performing multiresolution decomposition on image data by using a broad-sense pinwheel framelet that is a set of an approximate filter with no orientation and a plurality of detail filters with respective orientations, and that has a degree. When an image is reconstructed by summing the obtained subband signals, the reconstructed image data is generated by attenuating or amplifying a subband signal corresponding to at least one of filters that have predetermined frequency characteristics and/or a predetermined orientation among the filters."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital filter, and image generating, superhybrid image generating, electronic medium manufacturing, and letter-row tilt illusion generating apparatus, method and program","description":"In the present invention, subband signals are obtained by performing multiresolution decomposition on image data by using a broad-sense pinwheel framelet that is a set of an approximate filter with no","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9721331","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-9721331","citation_suggestion":"Patentable. \"Digital filter, and image generating, superhybrid image generating, electronic medium manufacturing, and letter-row tilt illusion generating apparatus, method and program\" (US-9721331). https://patentable.app/patents/US-9721331","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9721331","json":"https://patentable.app/api/llm-context/US-9721331","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:23:08.034Z"}