{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9705623","patent":{"patent_number":"US-9705623","title":"Method for determining the Walsh-Hadamard transform of N samples of a signal and apparatus for performing the same","assignee":null,"inventors":[],"filing_date":"2013-10-04T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["H04J","G06F"],"num_claims":13,"abstract":"A computer-implemented method for determining the Walsh-Hadamard transform of N samples of a signal, comprises electing a plurality of hashing C matrices Σ1, . . . ΣC, computing C hashes of a particular length based at least on a hashing front end and the plurality of matrices Σ1, . . . ΣC, forming a bipartite graph with a plurality of variable nodes and a plurality of check nodes, the variable nodes being non-zero coefficients to recover, and the check nodes being hashed samples, finding an isolated check node and recovering non-zero coefficients connected to the isolated check node by employing collision detection and support estimation of the signal, peeling from the bipartite graph the recovered non-zero coefficients, and repeating the computing step, forming step, finding step and peeling step until all the nodes in the plurality of check nodes are zero."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for determining the Walsh-Hadamard transform of N samples of a signal and apparatus for performing the same","description":"A computer-implemented method for determining the Walsh-Hadamard transform of N samples of a signal, comprises electing a plurality of hashing C matrices Σ1, . . . ΣC, computing C hashes of a particul","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9705623","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-9705623","citation_suggestion":"Patentable. \"Method for determining the Walsh-Hadamard transform of N samples of a signal and apparatus for performing the same\" (US-9705623). https://patentable.app/patents/US-9705623","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9705623","json":"https://patentable.app/api/llm-context/US-9705623","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:18:22.985Z"}