{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8494305","patent":{"patent_number":"US-8494305","title":"Image filtering by sparse reconstruction on affinity net","assignee":null,"inventors":[],"filing_date":"2011-12-20T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T","G06T"],"num_claims":19,"abstract":"A method reduces multiplicative and additive noise in image pixels by clustering similar patches of the pixels into clusters. The clusters form nodes in an affinity net of nodes and vertices. From each cluster, a dictionary is learned by a sparse combination of corresponding atoms in the dictionaries. The patches are aggregated collaboratively using the dictionaries to construct a denoised image."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image filtering by sparse reconstruction on affinity net","description":"A method reduces multiplicative and additive noise in image pixels by clustering similar patches of the pixels into clusters. The clusters form nodes in an affinity net of nodes and vertices. From eac","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8494305","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-8494305","citation_suggestion":"Patentable. \"Image filtering by sparse reconstruction on affinity net\" (US-8494305). https://patentable.app/patents/US-8494305","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8494305","json":"https://patentable.app/api/llm-context/US-8494305","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:11:09.811Z"}