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# OpenViTac Benchmark Dataset
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OpenViTac is a visuo-tactile robot manipulation benchmark covering physical-property perception, fragile-object handling, contact-rich manipulation, and precise insertion. This release contains **1,300 simulated trajectories** in HDF5 format across 11 tasks.
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For the benchmark and data-collection details, see the [paper](https://arxiv.org/abs/2610.10384v1) and [code repository](https://github.com/FVL-Repo/OpenViTac).
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## Simulation tasks
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Each task is stored under `Simulation/<task>/`. Some tasks have subdirectories for object properties or variants.
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| Capability | Task directory | Task summary | Trajectories |
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| --- | --- | --- | ---: |
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| Physical-property perception | `weight_classify` | Identify whether a block is light or heavy through interaction and place it on the matching target. | 100 |
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| Physical-property perception | `hardness_classify` | Identify whether a block is soft or hard through contact and place it on the matching target. | 100 |
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| Physical-property perception | `roughness_classify` | Identify whether a block is smooth or rough through contact and place it on the matching target. | 100 |
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| Physical-property perception | `roughness_guided_regrasp` | Use surface roughness to decide whether to keep the grasped block or regrasp another one. | 100 |
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| Physical-property perception | `empty_can_selection` | Distinguish an empty can from visually similar cans through interaction and place it in a basket. | 100 |
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| Fragility-aware manipulation | `grasp_chip` | Grasp and move a fragile chip without damaging it. | 100 |
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| Contact-rich manipulation | `gear_assembly` | Mount and rotate a gear while maintaining engagement with a paired gear. | 100 |
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| Contact-rich manipulation | `pull_drawer` | Maintain a stable grasp on the handle while opening a drawer. | 100 |
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| Precision manipulation | `insert_USB` | Align a USB connector with its slot and insert it. | 100 |
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| Precision manipulation | `insert_block_v1` | Align and insert a designated block into the matching opening. | 100 |
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| Precision manipulation | `insert_block_v2` | Select the instructed object, then insert it into the matching opening. | 300 |
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## Real-world tasks
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