task_categories:visual-question-answering task_categories:object-detection task_categories:image-classification language:en license:cc-by-4.0 size_categories:1K<n<10K format:json modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:2511.00504 region:us medical chest-x-ray vqa explainable-ai spatial-grounding