Topic
Hair Detail & Natural Edge Portrait Cutouts
Hair is a classic hard case; good masks preserve wispy strands with partial alpha instead of cardboard outlines.
Definition
Hair-detail removers emphasize high-frequency boundary reconstruction where background contrast supports it.

When edges look harsh
Try better source separation, optional refinement passes in-app, or manual touch-up in a design tool for hero assets.
Wind and motion
Motion blur smears edges—expect softer certainty from any AI model.
FAQ
Fine edge AI?
Edge quality is model- and scene-dependent; always verify on your target background color.
Example?
Open the hair-detail example in /examples for a documented case.
Related topics
Why local processing matters
nobg.eu runs background removal in your browser session. The goal is simple: fewer unnecessary image transfers and faster starts than upload-first pipelines—without promising impossible quality on every edge case.
No upload image editing
Core cutout processing is designed as local image processing: you open a file, the model runs client-side, you export. You still load the website and assets over HTTPS like any site.
Browser AI explained
Browser AI here means inference executes in web runtime (WebGPU when available, with fallbacks). It is not a generic “cloud brain”—it is on-device execution after the app loads.
