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Linkangheng

Kangheng

stepfun-ai

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AI & ML interests

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Recent Activity

liked a Space 2 days ago

stepfun-ai/Step3-VL-10B

published a Space 2 days ago

stepfun-ai/Step3-VL-10B

updated a Space 2 days ago

stepfun-ai/Step3-VL-10B

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Organizations

Collections 2

Papers 6

arxiv:2601.09668

arxiv:2508.10711

arxiv:2507.19427

arxiv:2507.05255

models 9

Kangheng/OVR-7B-ColdStart

8B • Updated Jul 15, 2025 • 3 • 2

Kangheng/OVR-7B-RL

8B • Updated Jul 15, 2025 • 2 • 9

Kangheng/PR1-Qwen2-VL-2B-OCR

2B • Updated May 19, 2025 • 3

Kangheng/PR1-Qwen2-VL-2B-Counting

2B • Updated Apr 10, 2025 • 3 • 4

Kangheng/PR1-Qwen2-VL-2B-Grounding

2B • Updated Apr 10, 2025 • 2 • 4

Kangheng/PR1-Qwen2.5-VL-3B-Detection

4B • Updated Apr 9, 2025 • 49 • 6

Kangheng/Video-UTR-7b

Video-Text-to-Text • 8B • Updated Feb 15, 2025 • 8

Kangheng/Merlin-chat

Text Generation • Updated May 8, 2024 • 4

Kangheng/Merlin

Text Generation • Updated May 8, 2024 • 2

datasets 10

Kangheng/OVR-Dataset-ColdStart

Viewer • Updated Sep 5, 2025 • 696k • 45 • 4

Kangheng/PR1-Datasets-Counting

Updated May 28, 2025 • 6

Kangheng/PR1-Datasets-Detection

Viewer • Updated May 19, 2025 • 116k • 5

Kangheng/PR1-Evaluations

Viewer • Updated Apr 10, 2025 • 1.28k • 4 • 4

Kangheng/PR1-Datasets-Grounding

Viewer • Updated Apr 9, 2025 • 320k • 76 • 9

Kangheng/Videochat2-PPL

Updated Feb 17, 2025 • 2

Kangheng/UTR-Data

Updated Feb 17, 2025

Kangheng/refcocog

Viewer • Updated Sep 18, 2024 • 14.5k • 131 • 3

Kangheng/refcocop

Viewer • Updated Sep 18, 2024 • 21.4k • 5

Kangheng/refcoco

Viewer • Updated Sep 18, 2024 • 21.6k • 16 • 2