{"observation":{"id":"d1490fdb-7234-4810-ae4d-78feae0f8480","tool":"bria-ai","tool_name":"Bria.ai","criterion":"edge-quality","criterion_name":"Edge quality","criterion_definition":"How clean are the cutouts around hair, fingers, and clothing edges; are there visible halo, fringing, or jagged edges?","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"Clean edges around hair, fingers, and clothing are a core measure of whether the background cutout works well at all. (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":"struggled","score":null,"score_total":null,"note":"A strong blue-white halo bleeds past the head and shoulders into the black background, so the silhouette is not clean at the edge.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://cdn.futuresmart.ai/public/aidemos/3d3e4029d18341edb846b4fee44c4199.png?v=1","role":"output","alt":null},{"url":"https://cdn.futuresmart.ai/public/aidemos/a802fa06f3aa4427bdfcc9a7d838a7a5.png?v=1","role":"output","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":"bria-ai","tool_url":"https://aidemos.com/tools/bria-ai","permalink":"https://aidemos.com/evidence/d1490fdb-7234-4810-ae4d-78feae0f8480","api_url":"https://ai.aidemos.com/v1/observations/d1490fdb-7234-4810-ae4d-78feae0f8480"},"peers":[{"id":"4c4a88b7-c835-4583-b3d1-1e2b32b5afd7","tool":"cutout-pro","tool_name":"Cutout.Pro","verdict":"struggled","score":null,"score_total":null,"note":"Introduces a faint blue-teal halo around the head and shoulders on the cutout.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/4e7ff6047e9045c3b76aef2e434e13ad.png?v=1","evidence_url":"https://aidemos.com/evidence/4c4a88b7-c835-4583-b3d1-1e2b32b5afd7"},{"id":"74bae4c9-d90a-46bb-bd37-1e54aeddf263","tool":"descript","tool_name":"Descript","verdict":"struggled","score":null,"score_total":null,"note":"The cutout shows a visible cyan-blue halo around the backlit head and shoulders, so the edge is not a clean silhouette.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/66c46da916b84234a585e42b89322d1e.png?v=1","evidence_url":"https://aidemos.com/evidence/74bae4c9-d90a-46bb-bd37-1e54aeddf263"},{"id":"bce1923f-6eb3-4da3-8115-ccf184fa8c9d","tool":"flexclip","tool_name":"FlexClip","verdict":"struggled","score":null,"score_total":null,"note":"Under harsh backlighting, the beach subject’s torso can read semi-transparent instead of fully opaque, so the matte is visibly incomplete beyond the recurring halo artifact.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/7c6356b905b9400d9dd8301d7ff8839b.png?v=1","evidence_url":"https://aidemos.com/evidence/bce1923f-6eb3-4da3-8115-ccf184fa8c9d"},{"id":"1d9d7e38-acd5-4c8c-b9b6-da1cd824e702","tool":"fotor","tool_name":"Fotor","verdict":"worked","score":null,"score_total":null,"note":"The moving subject is cut out cleanly across the walk, with the person remaining isolated rather than breaking into jagged edge artifacts.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/2779636f78e9437ebe97ac197e17eb7b.mp4?v=1","evidence_url":"https://aidemos.com/evidence/1d9d7e38-acd5-4c8c-b9b6-da1cd824e702"},{"id":"8d0080e0-55e3-482a-a727-5b452f63e556","tool":"invideo-ai","tool_name":"InVideo AI","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,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/e96c7168fe254ddc808b35e760ac3a31.mp4?v=1","evidence_url":"https://aidemos.com/evidence/8d0080e0-55e3-482a-a727-5b452f63e556"},{"id":"e6362410-8aee-4cfa-a39c-6767ef9f7313","tool":"kapwing","tool_name":"Kapwing","verdict":"struggled","score":null,"score_total":null,"note":"On the beach silhouette, the cutout edge is soft and fuzzy with a faint greenish fringe around the hood rather than a crisp line.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/3287697a32344d5baf25e46f66ccdb22.png?v=1","evidence_url":"https://aidemos.com/evidence/e6362410-8aee-4cfa-a39c-6767ef9f7313"},{"id":"9a04c845-a10c-4de5-aea2-9ef1ad8da98b","tool":"media-io","tool_name":"Media.io","verdict":"struggled","score":null,"score_total":null,"note":"Negative-space gaps between limbs and torso retained a faint warm brown tint instead of pure black, showing residual contamination rather than a clean cutout.","artifact_count":5,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/5b1d1125fc234e29aeb27c78230ae566.mp4?v=1","evidence_url":"https://aidemos.com/evidence/9a04c845-a10c-4de5-aea2-9ef1ad8da98b"},{"id":"dbf1cbf5-9d0a-4d0b-ac53-e4f593d3e0b9","tool":"picsart","tool_name":"Picsart","verdict":"struggled","score":null,"score_total":null,"note":"On the beach clip, backlit sun glare was not cleanly separated and remained as a rainbow-tinted haze over the head and shoulder instead of a clean silhouette.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/d7fd813e2c4543808bbd9ef9ecd14976.png?v=1","evidence_url":"https://aidemos.com/evidence/dbf1cbf5-9d0a-4d0b-ac53-e4f593d3e0b9"},{"id":"3c3b1c5b-a170-407f-8527-a46ee93bf719","tool":"veed","tool_name":"VEED","verdict":"struggled","score":null,"score_total":null,"note":"Leaves visible haloing and softer torso edges on the cutout, so the silhouette does not resolve cleanly at the boundary.","artifact_count":4,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/a850232ca9c248cca964e24ea5965349.mp4?v=1","evidence_url":"https://aidemos.com/evidence/3c3b1c5b-a170-407f-8527-a46ee93bf719"}],"other_criteria":[{"id":"b6305dd2-b48a-40bc-a3fb-a98ecb0ddfb9","criterion":"motion-handling","criterion_name":"Motion handling","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"The walking subject stayed isolated while taking a few steps and then slowing to a stop, so normal walking motion did not break the cutout.","artifact_count":4,"evidence_url":"https://aidemos.com/evidence/b6305dd2-b48a-40bc-a3fb-a98ecb0ddfb9"},{"id":"bce633a7-8281-4a69-962a-177f1820c232","criterion":"output-resolution","criterion_name":"Output resolution","rank_role":"context","verdict":"worked","score":null,"score_total":null,"note":"The output preserved the source resolution exactly at 2160×3840, with no downscaling.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/bce633a7-8281-4a69-962a-177f1820c232"}],"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":"4c4a88b7-c835-4583-b3d1-1e2b32b5afd7","tool":"cutout-pro","tool_name":"Cutout.Pro","verdict":"struggled","score":null,"score_total":null,"note":"Introduces a faint blue-teal halo around the head and shoulders on the cutout."},{"id":"74bae4c9-d90a-46bb-bd37-1e54aeddf263","tool":"descript","tool_name":"Descript","verdict":"struggled","score":null,"score_total":null,"note":"The cutout shows a visible cyan-blue halo around the backlit head and shoulders, so the edge is not a clean silhouette."},{"id":"bce1923f-6eb3-4da3-8115-ccf184fa8c9d","tool":"flexclip","tool_name":"FlexClip","verdict":"struggled","score":null,"score_total":null,"note":"Under harsh backlighting, the beach subject’s torso can read semi-transparent instead of fully opaque, so the matte is visibly incomplete beyond the recurring halo artifact."},{"id":"1d9d7e38-acd5-4c8c-b9b6-da1cd824e702","tool":"fotor","tool_name":"Fotor","verdict":"worked","score":null,"score_total":null,"note":"The moving subject is cut out cleanly across the walk, with the person remaining isolated rather than breaking into jagged edge artifacts."},{"id":"8d0080e0-55e3-482a-a727-5b452f63e556","tool":"invideo-ai","tool_name":"InVideo AI","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."},{"id":"e6362410-8aee-4cfa-a39c-6767ef9f7313","tool":"kapwing","tool_name":"Kapwing","verdict":"struggled","score":null,"score_total":null,"note":"On the beach silhouette, the cutout edge is soft and fuzzy with a faint greenish fringe around the hood rather than a crisp line."},{"id":"9a04c845-a10c-4de5-aea2-9ef1ad8da98b","tool":"media-io","tool_name":"Media.io","verdict":"struggled","score":null,"score_total":null,"note":"Negative-space gaps between limbs and torso retained a faint warm brown tint instead of pure black, showing residual contamination rather than a clean cutout."},{"id":"dbf1cbf5-9d0a-4d0b-ac53-e4f593d3e0b9","tool":"picsart","tool_name":"Picsart","verdict":"struggled","score":null,"score_total":null,"note":"On the beach clip, backlit sun glare was not cleanly separated and remained as a rainbow-tinted haze over the head and shoulder instead of a clean silhouette."},{"id":"3c3b1c5b-a170-407f-8527-a46ee93bf719","tool":"veed","tool_name":"VEED","verdict":"struggled","score":null,"score_total":null,"note":"Leaves visible haloing and softer torso edges on the cutout, so the silhouette does not resolve cleanly at the boundary."}]}