{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11481894","patent":{"patent_number":"US-11481894","title":"Method, apparatus and system for calculating stress parameters and computer device","assignee":null,"inventors":[],"filing_date":"2022-01-25T00:00:00.000Z","publication_date":"2022-10-25T00:00:00.000Z","cpc_codes":["G06T","G06V","G06T","G06T","G06V","G06V","G01N","G01N","G06T","G06T","G06V"],"num_claims":9,"abstract":"A method, apparatus and system for calculating stress parameters is provided. The method comprises establishing a first image pyramid according to an image of a sample before deformation, and establishing a second image pyramid corresponding to the first image pyramid according to an image of the sample after deformation; starting from a top level in the first image pyramid, iteratively calculating displacement information on each level in the first image pyramid relative to a corresponding level in the second image pyramid based on a center point of each sub-region at each level in the first image pyramid and other positions in the sub-region; calculating strain information on the sample according to displacement information on a bottom level of the first image pyramid; and calculating stress parameters of the sample based on the strain information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method, apparatus and system for calculating stress parameters and computer device","description":"A method, apparatus and system for calculating stress parameters is provided. The method comprises establishing a first image pyramid according to an image of a sample before deformation, and establis","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11481894","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-11481894","citation_suggestion":"Patentable. \"Method, apparatus and system for calculating stress parameters and computer device\" (US-11481894). https://patentable.app/patents/US-11481894","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11481894","json":"https://patentable.app/api/llm-context/US-11481894","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:33:26.339Z"}