The subject's outline is matted cleanly, with no obvious tearing or missing chunks around the silhouette.
What was measured
Edge quality
How clean are the cutouts around hair, fingers, and clothing edges; are there visible halo, fringing, or jagged edges?
decisive for this rankingtransformation
Clean edges around hair, fingers, and clothing are a core measure of whether the background cutout works well at all. (3 of 3 judges)
What was given, what came back
Test input: Indoor Talking Head · video · group: remove-or-replace-video-backgrounds-using-ai
Input — what we sent
Indoor Talking Head
An indoor talking-head video of a person speaking directly to the camera with a static background, natural hand gestures, and facial expressions. It was used to test how well tools preserve the subject while replacing an indoor background.
Why this input is hard
- · Static camera performance
- · Face and body segmentation
- · Facial expression preservation
- · Background replacement accuracy in an indoor environment
Output — unretouched

Also checked on this input — same tool, 3 other criteria
Hair and fine detail✓ WorkedGlasses and hair were preserved cleanly, with no visible tearing in the matting around those fine details.Output resolution✗ FailedA vertical 1080×1920 input was rendered as a 2462×1080 landscape canvas, instead of preserving the source orientation.Temporal consistency✓ WorkedThe matte showed no flicker or dropout from frame to frame across the full clip.
Provenance
- Observation
- cc65dc16-00d8-4da9-82c6-f44722d0961a
- Evidence run
- 10155228-7ce8-438a-a210-547331ef080b
- Study
- Remove or Replace Video Backgrounds Using AI
- Research task
- 86ba42c2d
- Tested at
- not recorded
- Source
- first-party
- Evidence state
- verified
- Proof shown
- input + output shown
- Cost / latency
- not captured
- Repeat run
- not captured
- Tester
- not captured
The last three rows are honest blanks, not placeholders — our capture has no field for them yet.
Query this
get_evidence({
tool: "fotor",
scenario: "remove-or-replace-video-backgrounds-using-ai"
})MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Same input, same check — 7 other tools
measured on Edge quality
Bria.ai⚠ StruggledA soft blue-ish fringe remains around the hair and jawline against the black background, indicating visible edge haloing.Cutout.Pro⚠ StruggledCuts the sleeves inconsistently at the frame boundary, so left and right sleeve edges do not line up across timestamps.Descript⚠ StruggledThe shoulder matte is feathered and desaturated compared with the surrounding fabric, leaving a visible rough cutout edge.InVideo AI✓ WorkedIt preserved hair and clothing edges cleanly against the replacement set, with no visible halo on close inspection.Kapwing✓ WorkedOn the indoor talking-head clip, the cutout stays crisp with no visible fringing or color halo.Picsart◐ MixedThe indoor talking-head cutout was clean overall, but a faint purple/blue fringe still lingered along the shoulder and collar boundary.VEED⚠ StruggledKeeps the subject isolated but leaves visible edge artifacts around the hair and shoulders on the talking-head cutout.
This evidence is published in
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com