| { | |
| "name": "Flickr8k", | |
| "release_date": "2026-05-25", | |
| "subsets": { | |
| "main": { | |
| "language": [ | |
| "en" | |
| ], | |
| "modalities": [ | |
| "single_image_start" | |
| ], | |
| "task_type": "captioning", | |
| "score_pipeline": { | |
| "unsupported": "caption-metrics", | |
| "reason": "requires corpus-level caption metrics (CIDEr/BLEU/ROUGE/BERTScore); use the benchmark's own evaluator" | |
| }, | |
| "score_params": { | |
| "metrics": [ | |
| "cider", | |
| "bleu4", | |
| "meteor", | |
| "rouge_l" | |
| ] | |
| }, | |
| "score_protocol": { | |
| "reference": "lmms-eval@lmms_eval/tasks/flickr30k/utils.py:5,42 — nearest framework task (Flickr30k) uses the same pycocoevalcap corpus scorers (Bleu1-4, METEOR, ROUGE_L, CIDEr; SPICE commented out); standard Karpathy-split captioning protocol. Neither framework ships Flickr8k itself.", | |
| "note": "Corpus-level metrics; no per-sample correctness. mm-eval copy stores 5 reference captions per image (rows verified on all three splits). Published dataset includes train/validation/test splits; official captioning eval is on the Karpathy test split (1000 images — matches the published test split size) — evaluation runs should use test only." | |
| }, | |
| "prompt_template": "<image>Provide a one-sentence caption for the provided image.", | |
| "mapping_from_source": { | |
| "media": { | |
| "from": "image", | |
| "type": "list", | |
| "min_items": 1, | |
| "max_items": 1 | |
| }, | |
| "id": { | |
| "from": "id" | |
| }, | |
| "answer": { | |
| "from": "answer", | |
| "optional": true | |
| }, | |
| "source": { | |
| "format": "huggingface", | |
| "url": { | |
| "train": "https://huggingface.co/datasets/jxie/flickr8k", | |
| "validation": "https://huggingface.co/datasets/jxie/flickr8k", | |
| "test": "https://huggingface.co/datasets/jxie/flickr8k" | |
| } | |
| } | |
| }, | |
| "prompt_template_source": { | |
| "origin": "official", | |
| "reference": "https://github.com/open-compass/VLMEvalKit/blob/main/vlmeval/dataset/image_caption.py (ImageCaptionDataset canonical caption prompt)", | |
| "notes": "Tier 3: VLMEvalKit ImageCaptionDataset canonical Flickr8k captioning prompt." | |
| } | |
| } | |
| } | |
| } |