{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9626590","patent":{"patent_number":"US-9626590","title":"Fast cost aggregation for dense stereo matching","assignee":null,"inventors":[],"filing_date":"2015-09-18T00:00:00.000Z","publication_date":"2017-04-18T00:00:00.000Z","cpc_codes":["G06T","G06F","H04N","H04N","G06T","H04N","H04N"],"num_claims":20,"abstract":"Methods, systems, computer-readable media, and apparatuses for fast cost aggregation for dense stereo matching are presented. One example method includes the steps of receiving first and second images of a scene; rectifying the images; computing a cost volume based on the first and second images; subsampling the cost volume to generate a subsampled cost volume; for each pixel, p, in the subsampled cost volume, determining one or more local extrema in the subsampled cost volume for each neighboring pixel, q, within a window centered on the pixel, p; for each pixel, p, performing cost aggregation using the one or more local extrema; performing cross checking to identify matching pixels; and responsive to identifying unmatched pixels, performing gap-filling for the unmatched pixels to generate a disparity map; and generate and storing a depth map from the disparity map."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fast cost aggregation for dense stereo matching","description":"Methods, systems, computer-readable media, and apparatuses for fast cost aggregation for dense stereo matching are presented. One example method includes the steps of receiving first and second images","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9626590","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-9626590","citation_suggestion":"Patentable. \"Fast cost aggregation for dense stereo matching\" (US-9626590). https://patentable.app/patents/US-9626590","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9626590","json":"https://patentable.app/api/llm-context/US-9626590","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:50:21.571Z"}