| --- |
| pretty_name: Type1b Multi-View Spatial Reasoning |
| language: |
| - en |
| task_categories: |
| - visual-question-answering |
| tags: |
| - multi-view |
| - 3d |
| - spatial-reasoning |
| - synthetic-data |
| --- |
| |
| # Type1b Multi-View Spatial Reasoning |
|
|
| Type1b contains gravity-settled Blender scenes, 26-view RGB renders, auditable |
| spatial QA, and raw model predictions. Four vertical-spread conditions are |
| released under the uniform names `zspread_025`, `zspread_050`, `zspread_075`, |
| and `zspread_100`. |
|
|
| Generation, evaluation, and analysis code is available in the |
| [DM3SR GitHub repository](https://github.com/Ever2after/DM3SR). |
|
|
| ## Dataset layout |
|
|
| ```text |
| scenes/zspread_XXX/ scene JSON and validation metadata |
| physics/zspread_XXX/ settled physics reports |
| renders/zspread_XXX/ 26-view PNGs and render_report.json |
| qa/zspread_XXX/ canonical QA JSONL |
| qa_ablation/view_count/zspread_XXX/ paired 2--6 input-view controls |
| evaluation/zspread_XXX/ model predictions and scores |
| evaluation/view_count/zspread_100/ input-view-count predictions |
| metadata/evaluation_lineage.json QA/input-image lineage audit |
| ``` |
|
|
| The main tasks are `object_counting`, `relative_distance`, and |
| `relative_position`. QA rows reference images relative to their corresponding |
| `renders/zspread_XXX` directory. |
|
|
| ## Canonical render counts |
|
|
| | Level | Scenes | PNGs | |
| |---|---:|---:| |
| | zspread_025 | 23 | 598 | |
| | zspread_050 | 31 | 806 | |
| | zspread_075 | 43 | 1,118 | |
| | zspread_100 | 41 | 1,066 | |
|
|
| Every released scene directory also contains `render_report.json`. The scene |
| specification collection contains 50 JSON files per level; Blender physics and |
| render validation determine the released render/QA subset. |
|
|
| ## External assets |
|
|
| Scene specifications identify OmniObject3D assets by category and object ID. |
| Raw OmniObject3D scans and Poly Haven HDRIs are not redistributed in this |
| dataset; obtain them under their original licenses. The companion GitHub |
| repository contains category filters, HDRI checksums, generation, rendering, |
| QA, evaluation, and analysis code. |
|
|
| ## Release integrity |
|
|
| Use `type1b/manifests/huggingface_dataset_manifest.json` in the companion code |
| repository for the exact local-source to Hub-destination mapping. The canonical |
| selection follows the QA `report_path` lineage rather than historical folder |
| labels, which avoids uploading an earlier unused z-spread render generation. |
|
|
| Some retained historical model runs evaluated the same counting questions with |
| an earlier random input-view selection, and some Qwen3 z=1.0 spatial files use |
| historical question IDs. Predictions embed their actual question and image list. |
| `metadata/evaluation_lineage.json` labels every file as exact, ID-remapped, or |
| same-content/different-input-views so these conditions are never conflated. |
|
|
