{"observation":{"id":"e807fd05-98ac-4505-8749-c31d0398dbc2","tool":"invideo-ai","tool_name":"InVideo AI","criterion":"output-resolution","criterion_name":"Output resolution","criterion_definition":"Does it maintain the input resolution or downscale?","criterion_evidence_type":"transformation","criterion_rank_role":"context","criterion_rank_role_reason":"Keeping full resolution is important for delivery quality, but it is a downstream output constraint rather than the main background-removal task itself. (3 of 3 judges)","scenario":"oregon-coast-walking","scenario_name":"Oregon Coast Walking","group_tag":"remove-or-replace-video-backgrounds-using-ai","scenario_description":"A daylight outdoor video of a single person walking along an Oregon coast beach, with the camera following the subject and ocean waves, sand, and sky visible in the background. It was used to test background removal and replacement on a moving subject in a natural outdoor setting.","modality":"video","input_text":null,"input_artifact_refs":[{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/remove-or-replace-video-backgrounds-usin-input-1-0263564d1ef2.mp4","role":"input","filename":"Input 1.mp4"}],"stresses":["Outdoor background removal","Subject segmentation during movement","Hair and edge preservation","AI background replacement quality"],"verdict":"worked","score":null,"score_total":null,"note":"It held the export at 2160×3838, matching the source’s roughly 4K vertical resolution instead of downscaling it.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://cdn.futuresmart.ai/public/aidemos/e96c7168fe254ddc808b35e760ac3a31.mp4?v=1","role":"output","alt":null},{"url":"https://cdn.futuresmart.ai/public/aidemos/4ecdbabdc72d4c4abbd9cfa677f032ab.mp4?v=1","role":"input","alt":null}],"run_id":"10155228-7ce8-438a-a210-547331ef080b","study_title":"Remove or Replace Video Backgrounds Using AI","study_kind":"generation","research_task":"86ba42c2d","tested_at":null,"completeness":"input-and-output","input":{"state":"files","text":null,"files":[{"url":"https://d3epheqghktydj.cloudfront.net/remove-or-replace-video-backgrounds-usin-input-1-0263564d1ef2.mp4","filename":"Input 1.mp4","alt":"Oregon Coast Walking","role":"input"}],"modality":"video","stresses":["Outdoor background removal","Subject segmentation during movement","Hair and edge preservation","AI background replacement quality"]},"tool_page_slug":"invideo-ai","tool_url":"https://aidemos.com/tools/invideo-ai","permalink":"https://aidemos.com/evidence/e807fd05-98ac-4505-8749-c31d0398dbc2","api_url":"https://ai.aidemos.com/v1/observations/e807fd05-98ac-4505-8749-c31d0398dbc2"},"peers":[{"id":"bce633a7-8281-4a69-962a-177f1820c232","tool":"bria-ai","tool_name":"Bria.ai","verdict":"worked","score":null,"score_total":null,"note":"The output preserved the source resolution exactly at 2160×3840, with no downscaling.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/5ed0ba6d5022450b9f218641754ec515.mp4?v=1","evidence_url":"https://aidemos.com/evidence/bce633a7-8281-4a69-962a-177f1820c232"},{"id":"b6080c21-d9d9-4a35-a86d-d1e031f559d5","tool":"cutout-pro","tool_name":"Cutout.Pro","verdict":"struggled","score":null,"score_total":null,"note":"Downscales the roughly 2160×3840 source to 360×640, so it does not preserve native resolution.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/54da4273c0c442259bc343dfd997353f.webm?v=1","evidence_url":"https://aidemos.com/evidence/b6080c21-d9d9-4a35-a86d-d1e031f559d5"},{"id":"1f7967d5-28c4-44e9-8ef0-d9546946a176","tool":"descript","tool_name":"Descript","verdict":"failed","score":null,"score_total":null,"note":"It downscales a 2160×3840 source to a 720×1280 export instead of preserving the original resolution.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/70d1858c94734b40a3a3db38c25f22ab.mp4?v=1","evidence_url":"https://aidemos.com/evidence/1f7967d5-28c4-44e9-8ef0-d9546946a176"},{"id":"35a1c0ff-d71c-4fb0-b94c-0224bbf34f33","tool":"fotor","tool_name":"Fotor","verdict":"failed","score":null,"score_total":null,"note":"A vertical 2160×3840 source was exported into a landscape 2464×1080 canvas, leaving the subject confined to a narrow center strip.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/e3e8ff06d2dd4817a6730e6a96d3adcf.png?v=1","evidence_url":"https://aidemos.com/evidence/35a1c0ff-d71c-4fb0-b94c-0224bbf34f33"},{"id":"f0181a99-b9f3-4e9a-bca4-8f88263ea240","tool":"veed","tool_name":"VEED","verdict":"mixed","score":null,"score_total":null,"note":"Downscales a 2160×3840 source to 1080×1920 on export, cutting the resolution in half while keeping duration nearly unchanged (5.30s→5.27s).","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/a850232ca9c248cca964e24ea5965349.mp4?v=1","evidence_url":"https://aidemos.com/evidence/f0181a99-b9f3-4e9a-bca4-8f88263ea240"}],"other_criteria":[{"id":"de505db3-6b05-4b7b-ae59-1db54889cbdd","criterion":"background-options","criterion_name":"Background options","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"The generated replacement background can include small texture glitches: one desert output showed a dark smeared patch and a stray green dot on the dune ridgeline.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/de505db3-6b05-4b7b-ae59-1db54889cbdd"},{"id":"8d0080e0-55e3-482a-a727-5b452f63e556","criterion":"edge-quality","criterion_name":"Edge quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"It kept the moving subject’s silhouette clean, with no visible green-screen fringing or halo around the edge.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/8d0080e0-55e3-482a-a727-5b452f63e556"},{"id":"3a6106c1-f519-470f-ad9d-7d5125b936f6","criterion":"lighting-adaptation","criterion_name":"Lighting adaptation","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"A requested sunset look was rendered as a warmer color grade on the same midday sun position; the sun disc stayed the same size, brightness, and height in frame instead of moving to a low-horizon lighting setup.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/3a6106c1-f519-470f-ad9d-7d5125b936f6"}],"appears_in":[{"page_type":"ranking","slug":"video-background-removers","title":"Best AI Tools to Remove or Replace Video Backgrounds with AI","url":"https://aidemos.com/best/video-background-removers","binding":"run"}],"same_scenario":[{"id":"bce633a7-8281-4a69-962a-177f1820c232","tool":"bria-ai","tool_name":"Bria.ai","verdict":"worked","score":null,"score_total":null,"note":"The output preserved the source resolution exactly at 2160×3840, with no downscaling."},{"id":"b6080c21-d9d9-4a35-a86d-d1e031f559d5","tool":"cutout-pro","tool_name":"Cutout.Pro","verdict":"struggled","score":null,"score_total":null,"note":"Downscales the roughly 2160×3840 source to 360×640, so it does not preserve native resolution."},{"id":"1f7967d5-28c4-44e9-8ef0-d9546946a176","tool":"descript","tool_name":"Descript","verdict":"failed","score":null,"score_total":null,"note":"It downscales a 2160×3840 source to a 720×1280 export instead of preserving the original resolution."},{"id":"35a1c0ff-d71c-4fb0-b94c-0224bbf34f33","tool":"fotor","tool_name":"Fotor","verdict":"failed","score":null,"score_total":null,"note":"A vertical 2160×3840 source was exported into a landscape 2464×1080 canvas, leaving the subject confined to a narrow center strip."},{"id":"f0181a99-b9f3-4e9a-bca4-8f88263ea240","tool":"veed","tool_name":"VEED","verdict":"mixed","score":null,"score_total":null,"note":"Downscales a 2160×3840 source to 1080×1920 on export, cutting the resolution in half while keeping duration nearly unchanged (5.30s→5.27s)."}]}