[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-a-faster-way-to-find-objects-in-long-videos":10,"sections":35},{"siteName":4,"siteTagline":5,"publisherName":4,"contactEmail":6},"The Revision","Tech news, decoded.","editor@therevision.news",{"gaMeasurementId":8,"adsenseClientId":9},"G-ZW2MV82GYR","ca-pub-8533917693782264",{"article":11},{"id":12,"slug":13,"title":14,"dek":15,"body_md":16,"tags_json":17,"published_at":18,"created_at":19,"updated_at":20,"status":21,"review_note":22,"review_notes":23,"image_url":22,"persona_id":22,"persona_name":22,"section":24,"tags":25,"sources":30,"feedback":34,"feedback_at":22,"cost_usd":34,"total_tokens":34},2643,"a-faster-way-to-find-objects-in-long-videos","A Faster Way to Find Objects in Long Videos","Researchers propose a pipeline that cuts costs in video grounding by tracking at the second level and using RL to verify results.","A new research pipeline makes it cheaper to pinpoint objects in long videos using natural-language queries.\n\nThe system, described in a preprint, tackles spatio-temporal grounding — the task of finding where and when a specific object appears in a video based on a text description. Rather than analyzing every frame, the pipeline shifts to second-level tracking and applies smoothing across those intervals to keep results coherent. The team also built synthetic chain-of-thought training data using existing multimodal models, then swapped in ground-truth coordinates to avoid the noise that comes with model-generated labels. A reinforcement learning step — verified against a combined intersection-over-union metric — rounds out the training loop.\n\nFrame-by-frame inference on long video is computationally brutal, and most published approaches quietly sidestep the problem by testing on short clips. A method that degrades gracefully at scale, without sacrificing localization quality, would matter for real applications like surveillance, sports analytics, and video search. The trade-off the authors report — better efficiency without a steep accuracy penalty — is the claim that needs scrutiny.\n\nThe paper is a preprint and has not been peer-reviewed; results on a narrow set of benchmarks rarely survive contact with messier real-world footage.","[\"video-ai\",\"computer-vision\",\"multimodal\",\"research\"]","2026-06-30T04:00:00.000Z","2026-06-30T09:58:13.787Z","2026-06-30T09:58:16.580Z","published",null,[],"ai",[26,27,28,29],"video-ai","computer-vision","multimodal","research",[31],{"name":32,"url":33},"arXiv cs.AI","https:\u002F\u002Farxiv.org\u002Fabs\u002F2606.29023",0,{"sections":36},[37,41,46,51,56,61,66,71,76,81,86,90,95,100],{"name":38,"slug":24,"count":39,"latest_published_at":40},"AI",2590,"2026-07-16T04:00:00.000Z",{"name":42,"slug":43,"count":44,"latest_published_at":45},"Security","security",294,"2026-07-15T19:59:48.000Z",{"name":47,"slug":48,"count":49,"latest_published_at":50},"Deals","deals",179,"2026-06-29T20:02:07.000Z",{"name":52,"slug":53,"count":54,"latest_published_at":55},"Policy","policy",158,"2026-07-16T00:02:48.000Z",{"name":57,"slug":58,"count":59,"latest_published_at":60},"Hardware","hardware",122,"2026-07-14T19:46:26.000Z",{"name":62,"slug":63,"count":64,"latest_published_at":65},"Consumer Tech","consumer-tech",93,"2026-07-13T13:20:48.000Z",{"name":67,"slug":68,"count":69,"latest_published_at":70},"Software","software",70,"2026-07-13T19:52:25.000Z",{"name":72,"slug":73,"count":74,"latest_published_at":75},"Science","science",66,"2026-07-10T10:29:37.000Z",{"name":77,"slug":78,"count":79,"latest_published_at":80},"Dev Tools","dev-tools",59,"2026-07-07T04:00:00.000Z",{"name":82,"slug":83,"count":84,"latest_published_at":85},"Gaming","gaming",41,"2026-07-09T04:00:00.000Z",{"name":87,"slug":88,"count":84,"latest_published_at":89},"Startups","startups","2026-06-29T20:55:50.000Z",{"name":91,"slug":92,"count":93,"latest_published_at":94},"General","general",29,"2026-07-10T22:28:58.000Z",{"name":96,"slug":97,"count":98,"latest_published_at":99},"Reviews","reviews",20,"2026-06-24T12:00:01.000Z",{"name":101,"slug":102,"count":103,"latest_published_at":104},"How-To","how-to",6,"2026-06-16T09:00:00.000Z"]