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dataset_info:
  - config_name: grounding_cross_coord_to_coord
    features:
      - name: ref_image
        dtype: image
      - name: test_image
        dtype: image
      - name: ref_hint
        dtype: string
      - name: ref_hint_coord
        dtype: string
      - name: test_choices
        dtype: string
      - name: test_mcq_options
        dtype: string
      - name: gt_answer
        dtype: string
      - name: task
        dtype: string
      - name: folder
        dtype: string
    splits:
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        num_examples: 513
    download_size: 634842012
    dataset_size: 829716650
  - config_name: grounding_cross_letter_to_letter
    features:
      - name: ref_image
        dtype: image
      - name: test_image
        dtype: image
      - name: ref_hint
        dtype: string
      - name: ref_hint_coord
        dtype: string
      - name: test_choices
        dtype: string
      - name: test_mcq_options
        dtype: string
      - name: gt_answer
        dtype: string
      - name: task
        dtype: string
      - name: folder
        dtype: string
    splits:
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        num_examples: 513
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  - config_name: grounding_task_a_icl_outside
    features:
      - name: test_image
        dtype: image
      - name: target_coord
        dtype: string
      - name: target_letter
        dtype: string
      - name: choices
        dtype: string
      - name: gt_choice_letter
        dtype: string
      - name: task
        dtype: string
      - name: scenario
        dtype: string
      - name: n_icl_examples
        dtype: int32
      - name: icl_metadata
        dtype: string
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
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        num_examples: 500
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  - config_name: grounding_task_a_icl_within
    features:
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        dtype: image
      - name: target_coord
        dtype: string
      - name: target_letter
        dtype: string
      - name: choices
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      - name: gt_choice_letter
        dtype: string
      - name: task
        dtype: string
      - name: scenario
        dtype: string
      - name: n_icl_examples
        dtype: int32
      - name: icl_metadata
        dtype: string
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
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        num_examples: 500
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  - config_name: grounding_task_a_zero_shot
    features:
      - name: test_image
        dtype: image
      - name: target_coord
        dtype: string
      - name: target_letter
        dtype: string
      - name: choices
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      - name: gt_choice_letter
        dtype: string
      - name: task
        dtype: string
      - name: scenario
        dtype: string
      - name: n_icl_examples
        dtype: int32
      - name: icl_metadata
        dtype: string
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
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        num_examples: 500
    download_size: 392568896
    dataset_size: 414286389
  - config_name: grounding_task_b_icl_outside
    features:
      - name: test_image
        dtype: image
      - name: target_coord
        dtype: string
      - name: target_letter
        dtype: string
      - name: choices
        dtype: string
      - name: gt_choice_letter
        dtype: string
      - name: task
        dtype: string
      - name: scenario
        dtype: string
      - name: n_icl_examples
        dtype: int32
      - name: icl_metadata
        dtype: string
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 1244099842
        num_examples: 500
    download_size: 1190169899
    dataset_size: 1244099842
  - config_name: grounding_task_b_icl_within
    features:
      - name: test_image
        dtype: image
      - name: target_coord
        dtype: string
      - name: target_letter
        dtype: string
      - name: choices
        dtype: string
      - name: gt_choice_letter
        dtype: string
      - name: task
        dtype: string
      - name: scenario
        dtype: string
      - name: n_icl_examples
        dtype: int32
      - name: icl_metadata
        dtype: string
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 1242524691
        num_examples: 500
    download_size: 1178307472
    dataset_size: 1242524691
  - config_name: grounding_task_b_zero_shot
    features:
      - name: test_image
        dtype: image
      - name: target_coord
        dtype: string
      - name: target_letter
        dtype: string
      - name: choices
        dtype: string
      - name: gt_choice_letter
        dtype: string
      - name: task
        dtype: string
      - name: scenario
        dtype: string
      - name: n_icl_examples
        dtype: int32
      - name: icl_metadata
        dtype: string
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 414307752
        num_examples: 500
    download_size: 392578566
    dataset_size: 414307752
  - config_name: task1_image
    features:
      - name: test_image
        dtype: image
      - name: grounding_image
        dtype: image
      - name: gt_image
        dtype: image
      - name: assembly_name
        dtype: string
      - name: assembly_description
        dtype: string
      - name: error_case
        dtype: string
      - name: normal_case_base
        dtype: string
      - name: normal_ref_images
        sequence: image
      - name: icl_ori_images
        sequence: image
      - name: icl_grounding_images
        sequence: image
    splits:
      - name: train
        num_bytes: 2798691043
        num_examples: 451
    download_size: 503903932
    dataset_size: 2798691043
  - config_name: task1_three_view
    features:
      - name: test_image
        dtype: image
      - name: gt_parts
        dtype: string
      - name: query_description
        dtype: string
      - name: scenario_name
        dtype: string
      - name: error_case
        dtype: string
      - name: normal_ref_images
        sequence: image
      - name: icl_images
        sequence: image
      - name: icl_gt_letters
        sequence: string
    splits:
      - name: train
        num_bytes: 284294342
        num_examples: 496
    download_size: 102854693
    dataset_size: 284294342
  - config_name: task2_three_view
    features:
      - name: test_image
        dtype: image
      - name: defect_type
        dtype: string
      - name: is_normal
        dtype: bool
      - name: component_type
        dtype: string
      - name: component_description
        dtype: string
      - name: normal_ref_images
        sequence: image
      - name: icl_images
        sequence: image
      - name: icl_defect_types
        sequence: string
      - name: icl_is_normal
        dtype: string
    splits:
      - name: train
        num_bytes: 3892767363
        num_examples: 830
    download_size: 2404052070
    dataset_size: 3892767363
  - config_name: task3_image
    features:
      - name: test_image
        dtype: image
      - name: grounding_image
        dtype: image
      - name: assembly_name
        dtype: string
      - name: assembly_description
        dtype: string
      - name: error_case
        dtype: string
      - name: normal_case_base
        dtype: string
      - name: n_normal_refs
        dtype: int32
      - name: n_icl_examples
        dtype: int32
      - name: ref_image_0
        dtype: image
      - name: ref_image_1
        dtype: image
      - name: ref_image_2
        dtype: image
      - name: ref_image_3
        dtype: image
      - name: ref_image_4
        dtype: image
      - name: icl_ori_image_0
        dtype: image
      - name: icl_grounding_image_0
        dtype: image
      - name: icl_ori_image_1
        dtype: image
      - name: icl_grounding_image_1
        dtype: image
      - name: icl_ori_image_2
        dtype: image
      - name: icl_grounding_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 5289841601
        num_examples: 857
    download_size: 900918270
    dataset_size: 5289841601
  - config_name: task3_missing_part_image
    features:
      - name: test_image
        dtype: image
      - name: assembly_name
        dtype: string
      - name: assembly_description
        dtype: string
      - name: choices_text
        dtype: string
      - name: gt_letter
        dtype: string
      - name: gt_answer
        dtype: string
      - name: mcq_mapping
        dtype: string
      - name: error_case
        dtype: string
      - name: scenario
        dtype: string
      - name: n_normal_refs
        dtype: int32
      - name: n_icl_examples
        dtype: int32
      - name: icl_gt_letters
        dtype: string
      - name: ref_image_0
        dtype: image
      - name: ref_image_1
        dtype: image
      - name: ref_image_2
        dtype: image
      - name: ref_image_3
        dtype: image
      - name: ref_image_4
        dtype: image
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 1145957667
        num_examples: 240
    download_size: 739016032
    dataset_size: 1145957667
  - config_name: task3_missing_part_three_view
    features:
      - name: test_image
        dtype: image
      - name: assembly_name
        dtype: string
      - name: assembly_description
        dtype: string
      - name: choices_text
        dtype: string
      - name: gt_letter
        dtype: string
      - name: gt_answer
        dtype: string
      - name: mcq_mapping
        dtype: string
      - name: error_case
        dtype: string
      - name: scenario
        dtype: string
      - name: n_normal_refs
        dtype: int32
      - name: n_icl_examples
        dtype: int32
      - name: icl_gt_letters
        dtype: string
      - name: ref_image_0
        dtype: image
      - name: ref_image_1
        dtype: image
      - name: ref_image_2
        dtype: image
      - name: ref_image_3
        dtype: image
      - name: ref_image_4
        dtype: image
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 74622484
        num_examples: 137
    download_size: 38017522
    dataset_size: 74622484
  - config_name: task3_three_view
    features:
      - name: test_image
        dtype: image
      - name: gt_parts
        dtype: string
      - name: query_description
        dtype: string
      - name: scenario_name
        dtype: string
      - name: error_case
        dtype: string
      - name: n_normal_refs
        dtype: int32
      - name: n_icl_examples
        dtype: int32
      - name: icl_gt_letters
        dtype: string
      - name: ref_image_0
        dtype: image
      - name: ref_image_1
        dtype: image
      - name: ref_image_2
        dtype: image
      - name: ref_image_3
        dtype: image
      - name: ref_image_4
        dtype: image
      - name: icl_image_0
        dtype: image
      - name: icl_image_1
        dtype: image
      - name: icl_image_2
        dtype: image
    splits:
      - name: train
        num_bytes: 198269281
        num_examples: 309
    download_size: 76367968
    dataset_size: 198269281
configs:
  - config_name: grounding_cross_coord_to_coord
    data_files:
      - split: train
        path: grounding_cross_coord_to_coord/train-*
  - config_name: grounding_cross_letter_to_letter
    data_files:
      - split: train
        path: grounding_cross_letter_to_letter/train-*
  - config_name: grounding_task_a_icl_outside
    data_files:
      - split: train
        path: grounding_task_a_icl_outside/train-*
  - config_name: grounding_task_a_icl_within
    data_files:
      - split: train
        path: grounding_task_a_icl_within/train-*
  - config_name: grounding_task_a_zero_shot
    data_files:
      - split: train
        path: grounding_task_a_zero_shot/train-*
  - config_name: grounding_task_b_icl_outside
    data_files:
      - split: train
        path: grounding_task_b_icl_outside/train-*
  - config_name: grounding_task_b_icl_within
    data_files:
      - split: train
        path: grounding_task_b_icl_within/train-*
  - config_name: grounding_task_b_zero_shot
    data_files:
      - split: train
        path: grounding_task_b_zero_shot/train-*
  - config_name: task1_image
    data_files:
      - split: train
        path: task1_image/train-*
  - config_name: task1_three_view
    data_files:
      - split: train
        path: task1_three_view/train-*
  - config_name: task2_three_view
    data_files:
      - split: train
        path: task2_three_view/train-*
  - config_name: task3_image
    data_files:
      - split: train
        path: task3_image/train-*
  - config_name: task3_missing_part_image
    data_files:
      - split: train
        path: task3_missing_part_image/train-*
  - config_name: task3_missing_part_three_view
    data_files:
      - split: train
        path: task3_missing_part_three_view/train-*
  - config_name: task3_three_view
    data_files:
      - split: train
        path: task3_three_view/train-*
license: mit
task_categories:
  - question-answering
  - image-text-to-text
  - visual-question-answering
language:
  - en
tags:
  - Manufacturing
  - 3D
  - Industry
  - Engineering
pretty_name: Forge
size_categories:
  - 1K<n<10K

FORGE: Fine-grained Multimodal Evaluation for Manufacturing Scenarios

  🌐 Website   |   📑 Paper   |   💻 Code   |   🤗 Dataset  

FORGE Pipeline Overview

Quick Start

from datasets import load_dataset

ds = load_dataset("AI4Manufacturing/forge", "task1_three_view", split="train")
print(ds[0].keys())
ds[0]["test_image"]  # PIL Image

Configs

Core Tasks

Config Cases Task Modality
task1_image 451 Wrong model detection (MCQ) Photo
task1_three_view 496 Wrong model detection (letter) Three-View
task2_three_view 830 Anomaly classification (normal + defect type) Three-View
task3_image 857 Extra/wrong part detection (MCQ) Photo
task3_three_view 309 Extra/wrong part detection (letter) Three-View
task3_missing_part_image 240 Missing part identification (MCQ) Photo
task3_missing_part_three_view 137 Missing part identification (MCQ) Three-View

Grounding Ablation (Single-Image)

Config Cases Description
grounding_task_a_zero_shot 500 Coord → Letter, zero-shot
grounding_task_a_icl_within 500 Coord → Letter, ICL (same image)
grounding_task_a_icl_outside 500 Coord → Letter, ICL (cross image)
grounding_task_b_zero_shot 500 Letter → Coord, zero-shot
grounding_task_b_icl_within 500 Letter → Coord, ICL (same image)
grounding_task_b_icl_outside 500 Letter → Coord, ICL (cross image)

Grounding Ablation (Cross-Image)

Config Cases Description
grounding_cross_letter_to_letter 513 Match parts by letter across images
grounding_cross_coord_to_coord 513 Match parts by coordinate across images

Total: 6,846 cases across 15 configs

Data Fields

Each row is self-contained with all images embedded. Unused image slots hold a 1x1 placeholder. Use n_normal_refs / n_icl_examples to know how many are real.

Task 1/3 Image -- test_image, grounding_image, assembly_name, assembly_description, error_case, ref_image_0..4, icl_ori_image_0..2, icl_grounding_image_0..2, n_normal_refs, n_icl_examples

Task 1/3 Three-View -- test_image, gt_parts (JSON), query_description, scenario_name, error_case, ref_image_0..4, icl_image_0..2, icl_gt_letters (JSON), n_normal_refs, n_icl_examples

Task 2 Three-View -- test_image, defect_type, is_normal, component_type, component_description, ref_image_0..4, icl_image_0..2, icl_metadata (JSON), n_normal_refs, n_icl_examples

Missing Part -- test_image, assembly_name, assembly_description, choices_text, gt_letter, gt_answer, mcq_mapping (JSON), ref_image_0..4, icl_image_0..2, icl_gt_letters (JSON), n_normal_refs, n_icl_examples

Grounding (single) -- test_image, target_coord (JSON), target_letter, choices (JSON), gt_choice_letter, icl_image_0..2, icl_metadata (JSON), n_icl_examples

Grounding (cross) -- ref_image, test_image, ref_hint, ref_hint_coord (JSON), test_choices (JSON), test_mcq_options (JSON), gt_answer

Evaluation Code

See the FORGE GitHub repo for the full evaluation toolkit supporting OpenRouter, OpenAI, Anthropic, Google, and vLLM backends.

Citation

@misc{jian2026forge,
      title={FORGE:Fine-grained Multimodal Evaluation for Manufacturing Scenarios}, 
      author={Xiangru Jian and Hao Xu and Wei Pang and Xinjian Zhao and Chengyu Tao and Qixin Zhang and Xikun Zhang and Chao Zhang and Guanzhi Deng and Alex Xue and Juan Du and Tianshu Yu and Garth Tarr and Linqi Song and Qiuzhuang Sun and Dacheng Tao},
      year={2026},
      eprint={2604.07413},
      archivePrefix={arXiv},
      primaryClass={cs.CV},
      url={https://arxiv.org/abs/2604.07413}, 
}