{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9633471","patent":{"patent_number":"US-9633471","title":"Image processing device, image processing method, computer program, and recording medium","assignee":null,"inventors":[],"filing_date":"2015-05-04T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["G06T","G06T"],"num_claims":9,"abstract":"An image processing device includes a photon map generator that constructs a virtual three-dimensional space as a rendering target and generates a photon map by distributing photons used for a photon mapping method, a low-luminance region identifying unit that identifies a low-luminance region estimated to have low luminance when the virtual three-dimensional space is projected onto a screen corresponding to a viewpoint by a method different from the photon mapping method, and a rendering part that collects photons corresponding to all pixels based on the photon map with reduction in the collection rate of photons corresponding to a pixel included in the low-luminance region compared with the other region, and calculates radiance to decide a pixel value and generate a display image."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image processing device, image processing method, computer program, and recording medium","description":"An image processing device includes a photon map generator that constructs a virtual three-dimensional space as a rendering target and generates a photon map by distributing photons used for a photon ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9633471","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-9633471","citation_suggestion":"Patentable. \"Image processing device, image processing method, computer program, and recording medium\" (US-9633471). https://patentable.app/patents/US-9633471","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9633471","json":"https://patentable.app/api/llm-context/US-9633471","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:23:20.889Z"}