A Synthetic Web UI Dataset Featuring Pixel-Perfect Atomic Elements and Structural Blocks, generated via LLM-augmented HTML rendering and headless browser screenshot capture.

Overview

AtomBlock-WebUI contains ~9,700 full-page web screenshots with YOLO-format bounding box annotations for 14 UI element categories, including both primitive components (buttons, inputs) and semantic block-level landmarks (navigation, sidebar, footer). Existing WebUI detection… See the full description on the dataset page: https://huggingface.co/datasets/ZhihaoNan/AtomBlock-WebUI.