{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9836876","patent":{"patent_number":"US-9836876","title":"Rendering images using ray tracing with multiple light sources","assignee":null,"inventors":[],"filing_date":"2017-06-27T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T"],"num_claims":20,"abstract":"Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for rendering an image of a scene affected by multiple light sources. In one aspect, a method includes subdividing the scene into cells; sampling light source—point pairs; for each pair, determining a contribution value of the light source to the point; for each cell and each light source: determining a maximum contribution value of the contribution values for the light source to the color of the points that are in the cell, and determining, based on the maximum contribution value, a significance value that is a measure of an estimated importance of the light source in rendering a portion of the image corresponding to the cell; and rendering the image of the scene by sampling light sources having a higher significance value more often than light sources having a lower significance value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Rendering images using ray tracing with multiple light sources","description":"Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for rendering an image of a scene affected by multiple light sources. In one aspect, a method include","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9836876","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-9836876","citation_suggestion":"Patentable. \"Rendering images using ray tracing with multiple light sources\" (US-9836876). https://patentable.app/patents/US-9836876","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9836876","json":"https://patentable.app/api/llm-context/US-9836876","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:39:10.879Z"}