Key Features

Removes backgrounds while preserving transparent, camouflaged, typographic, and glow details.
Fine-tunes a BiRefNet image segmentation architecture for difficult alpha matting cases.
Provides MIT-licensed code and Hugging Face model weights.
Benchmarks performance over camouflage, transparency, complex scenes, hair, text, effects, illustration, and design categories.
Includes Python loading examples through transformers and torchvision preprocessing.
Offers a CLI workflow for local image background removal.
Includes a FastAPI serving path with model, refinement, and decontamination options.
Supports browser testing through a linked Hugging Face demo.

The model is a BiRefNet-based fine-tune with weights on Hugging Face and an MIT-licensed repository. The project includes benchmark data across nine categories, a Python loading example through transformers, a CLI workflow, and a FastAPI service for local HTTP background removal.


Lucida is useful for designers, ecommerce teams, creative automation pipelines, and developers who need alpha masks that preserve subtle edges instead of erasing important visual details. It can run locally, be served through an API, or be tested in a browser demo, making it practical for both experiments and production-style image processing.

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