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| 1 |
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---
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license: apache-2.0
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tags:
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- vision-language-action
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- mobile-robot
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- kosmos-2b
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- robotics
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- obstacle-avoidance
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datasets:
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- mobile-vla-dataset
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language:
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- en
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- ko
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metrics:
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- mae
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- r2_score
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library_name: transformers
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pipeline_tag: robotics
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---
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# ๐ Mobile VLA: Vision-Language-Action Model for Mobile Robots
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## ๐ Model Description
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Mobile VLA๋ Kosmos-2B๋ฅผ ๊ธฐ๋ฐ์ผ๋ก ํ Mobile Robot ์ ์ฉ Vision-Language-Action ๋ชจ๋ธ์
๋๋ค.
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| 26 |
+
์ฅ์ ๋ฌผ ํํผ ์๋๋ฆฌ์ค์์ ์ฐ์์ ์ธ 3D ์ก์
์์ธก์ ์ํํฉ๋๋ค.
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+
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### ๐ฏ ํต์ฌ ๊ธฐ๋ฅ
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| 29 |
+
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- **Vision-Language-Action**: ์ด๋ฏธ์ง์ ํ
์คํธ ์ง์์ฌํญ์ ๋ฐ์ ๋ก๋ด ์ก์
์์ธก
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| 31 |
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- **3D ์ฐ์ ์ ์ด**: `[linear_x, linear_y, angular_z]` ํํ์ ์ฐ์ ์ก์
๊ณต๊ฐ
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- **์ฅ์ ๋ฌผ ํํผ**: 1-box, 2-box ์๋๋ฆฌ์ค์์ ์ข์ฐ ํํผ ์ ๋ต ํ์ต
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- **์ค์๊ฐ ์ฒ๋ฆฌ**: ํจ์จ์ ์ธ vision-only ์ฒ๋ฆฌ๋ก ๋น ๋ฅธ ์ถ๋ก
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| 34 |
+
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### ๐ง ๊ธฐ์ ์ฌ์
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- **๋ฐฑ๋ณธ ๋ชจ๋ธ**: microsoft/kosmos-2-patch14-224
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- **์
๋ ฅ**: RGB ์ด๋ฏธ์ง (224x224) + ํ
์คํธ ์ง์์ฌํญ
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| 39 |
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- **์ถ๋ ฅ**: 3D ์ฐ์ ์ก์
๋ฒกํฐ
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| 40 |
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- **ํ์ต ๋ฐฉ์**: Huber Loss ๊ธฐ๋ฐ ํ๊ท
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| 41 |
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- **๋ฐ์ดํฐ**: 72๊ฐ ์ค์ ๋ก๋ด ์ํผ์๋
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## ๐ ์ฑ๋ฅ ์งํ
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### ์ ์ฒด ์ฑ๋ฅ
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- **์ ์ฒด MAE**: 0.285
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- **์๊ณ๊ฐ ์ ํ๋ (0.1)**: 37.5%
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| 48 |
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### ์ก์
๋ณ ์ฑ๋ฅ
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| 50 |
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| ์ก์
| MAE | Rยฒ Score | ์ค๋ช
|
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| 51 |
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|------|-----|----------|------|
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| 52 |
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| linear_x | 0.243 | 0.354 | ์ ์ง/ํ์ง (์ฐ์) |
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| linear_y | 0.550 | 0.293 | ์ข์ฐ ์ด๋ (๋ณดํต) |
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| angular_z | 0.062 | 0.000 | ํ์ (๋ฎ์) |
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| 55 |
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### ์๋๋ฆฌ์ค๋ณ ์ฑ๋ฅ
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| ์๋๋ฆฌ์ค | MAE | ๋ฑ๊ธ | ์ค๋ช
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|----------|-----|------|------|
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| 1box_right_vertical | 0.217 | B+ | ์ฐ์ |
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| 1box_left_horizontal | 0.303 | B | ์ํธ |
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| 2box_left_vertical | 0.322 | B | ์ํธ |
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| 1box_left_vertical | 0.337 | B- | ๋ณดํต |
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## ๐ ์ฌ์ฉ ๋ฐฉ๋ฒ
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| 65 |
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### ์ค์น
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| 67 |
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```bash
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pip install transformers torch pillow numpy
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```
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### ๊ธฐ๋ณธ ์ฌ์ฉ๋ฒ
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```python
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from mobile_vla import MobileVLAModel, MobileVLATrainer
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from PIL import Image
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import torch
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# ๋ชจ๋ธ ๋ก๋
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model = MobileVLAModel.from_pretrained("minuum/mobile-vla")
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# ์ด๋ฏธ์ง์ ํ์คํฌ ์ค๋น
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image = Image.open("robot_camera.jpg")
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task = "Navigate around obstacles to track the target cup"
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# ์์ธก
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with torch.no_grad():
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actions = model.predict(image, task)
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print(f"Predicted actions: {actions}")
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# ์ถ๋ ฅ: [linear_x, linear_y, angular_z]
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```
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### ๊ณ ๊ธ ์ฌ์ฉ๋ฒ
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```python
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# ๋ฐฐ์น ์ฒ๋ฆฌ
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images = [Image.open(f"frame_{i}.jpg") for i in range(8)]
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actions = model.predict_sequence(images, task)
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# ์ค์๊ฐ ์ ์ด
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for frame in camera_stream:
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action = model.predict(frame, task)
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robot.execute(action)
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```
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## ๐๏ธ ๋ชจ๋ธ ์ํคํ
์ฒ
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```
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[RGB Images] โ [Kosmos-2B Vision] โ [Action Head] โ [3D Actions]
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โ โ โ โ
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224x224 Image Features Regression [x, y, ฮธ]
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```
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### ํต์ฌ ์ปดํฌ๋ํธ
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1. **Kosmos-2B Vision Model**: ์ด๋ฏธ์ง ํน์ง ์ถ์ถ
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2. **Action Head**: 3D ํ๊ท ํค๋ (512 โ 3*chunk_size)
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3. **Window/Chunk**: 8ํ๋ ์ ๊ด์ฐฐ โ 2ํ๋ ์ ์์ธก
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## ๐ RoboVLMs์์ ๋น๊ต
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| ํญ๋ชฉ | RoboVLMs | Mobile VLA |
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|------|----------|------------|
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| **๋ฐ์ดํฐ ์๊ตฌ๋** | ์๋ฐฑ๋ง ๋ฐ๋ชจ | 72 ์ํผ์๋ |
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| **์ก์
๊ณต๊ฐ** | 7-DOF Discrete | 3D Continuous |
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| **์ถ๋ก ์๋** | ๋ณตํฉ์ | ๋น ๋ฆ |
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| **ํนํ ๋ถ์ผ** | ๋ฒ์ฉ Manipulation | Mobile Robot |
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| **ํ๊ฐ ๋ฐฉ์** | ์ฑ๊ณต๋ฅ | ๋ค์ฐจ์ ํ๊ท ์งํ |
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## ๐ฏ ์ฃผ์ ๊ฐ์ ์ฌํญ
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- **๋ฐ์ดํฐ ํจ์จ์ฑ**: 1000๋ฐฐ ์ ์ ๋ฐ์ดํฐ๋ก ์ค์ฉ์ ์ฑ๋ฅ
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- **์ค์๊ฐ ์ฑ๋ฅ**: Vision-only ์ฒ๋ฆฌ๋ก ๋น ๋ฅธ ์ถ๋ก
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- **์ฐ์ ์ ์ด**: ์ ๋ฐํ 3D ์ก์
์์ธก
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- **์๋๋ฆฌ์ค ํนํ**: ์ฅ์ ๋ฌผ ํํผ ์ ์ฉ ์ต์ ํ
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## ๐ ํ์ต ๋ฐ์ดํฐ
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- **์ํผ์๋ ์**: 72๊ฐ
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- **์๋๋ฆฌ์ค**: 1box/2box ร left/right ร vertical/horizontal
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| 138 |
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- **์ก์
**: [linear_x, linear_y, angular_z] ์ฐ์ ๊ฐ
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- **์ด๋ฏธ์ง**: ์ค์ ๋ก๋ด ์นด๋ฉ๋ผ RGB (224x224)
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## ๐ฌ ์ฐ๊ตฌ ๋ฐฐ๊ฒฝ
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์ด ๋ชจ๋ธ์ RoboVLMs์ Window/Chunk ๋ฉ์ปค๋์ฆ์ ์ ์งํ๋ฉด์ Mobile Robot์ ํนํ๋ ๊ธฐ๋ฅ์ ์ถ๊ฐํ ์ฐ๊ตฌ์
๋๋ค:
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1. **Window/Chunk ์ ์ง**: 8ํ๋ ์ ๊ด์ฐฐ โ 2ํ๋ ์ ์์ธก ๊ตฌ์กฐ
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2. **Kosmos-2B ํตํฉ**: Vision-Language ๋ฐฑ๋ณธ ํ์ฉ
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3. **์ฐ์ ์ ์ด**: Discrete โ Continuous ์ก์
๊ณต๊ฐ ์ ํ
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4. **์ค์ ๋ก๋ด ๋ฐ์ดํฐ**: HDF5 ํํ์ ์ค์ ์์ง ๋ฐ์ดํฐ
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## ๐ ์ธ์ฉ
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| 151 |
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```bibtex
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| 153 |
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@misc{mobile_vla_2024,
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| 154 |
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title={Mobile VLA: Vision-Language-Action Model for Mobile Robot Navigation},
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author={Mobile VLA Team},
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| 156 |
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year={2024},
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publisher={HuggingFace},
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| 158 |
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url={https://huggingface.co/minuum/mobile-vla}
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| 159 |
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}
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```
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## ๐ค ๊ธฐ์ฌ
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| 163 |
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์ด ๋ชจ๋ธ์ RoboVLMs ํ๋ ์์ํฌ๋ฅผ ๊ธฐ๋ฐ์ผ๋ก ๊ฐ๋ฐ๋์์ผ๋ฉฐ, Mobile Robot ์ปค๋ฎค๋ํฐ์ ๋ฐ์ ์ ์ํด ๊ณต๊ฐ๋ฉ๋๋ค.
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## ๐ ์ฐ๋ฝ์ฒ
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- **Issues**: [GitHub Issues](https://github.com/minuum/vla/issues)
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| 169 |
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- **Discussions**: [HuggingFace Discussions](https://huggingface.co/minuum/mobile-vla/discussions)
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---
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*Generated on 2025-08-21*
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