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README.md

@@ -1,3 +1,143 @@
----
-license: apache-2.0
----
+<h1 align="center">LingBot-Map: Geometric Context Transformer for Streaming 3D Reconstruction</h1>
+
+<p align="center">
+  <a href="lingbot-map_paper.pdf"><img src="https://img.shields.io/static/v1?label=Paper&message=PDF&color=red&logo=arxiv"></a>
+  <a href="https://technology.robbyant.com/lingbot-map"><img src="https://img.shields.io/badge/Project-Website-blue"></a>
+  <a href=""><img src="https://img.shields.io/static/v1?label=%F0%9F%A4%97%20Model&message=HuggingFace&color=orange"></a>
+  <a href="LICENSE.txt"><img src="https://img.shields.io/badge/License-Apache--2.0-green"></a>
+</p>
+
+<p align="center">
+  <img src="assets/teaser.png" width="100%">
+</p>
+
+<p align="center">
+  <video src="https://gw.alipayobjects.com/v/huamei_vaouhm/afts/video/q0sdTr9Mm6IAAAAAmyAAAAgADglFAQJr" width="100%" autoplay loop muted playsinline></video>
+</p>
+
+---
+
+# Quick Start
+
+## Installation
+
+**1. Create conda environment**
+
+```bash
+conda create -n lingbot-map python=3.10 -y
+conda activate lingbot-map
+```
+
+**2. Install PyTorch (CUDA 12.8)**
+
+```bash
+pip install torch==2.9.1 torchvision==0.24.1 --index-url https://download.pytorch.org/whl/cu128
+```
+
+> For other CUDA versions, see [PyTorch Get Started](https://pytorch.org/get-started/locally/).
+
+**3. Install lingbot-map**
+
+```bash
+pip install -e .
+```
+
+**4. Install FlashInfer (recommended)**
+
+FlashInfer provides paged KV cache attention for efficient streaming inference:
+
+```bash
+# CUDA 12.8 + PyTorch 2.9
+pip install flashinfer-python -i https://flashinfer.ai/whl/cu128/torch2.9/
+```
+
+> For other CUDA/PyTorch combinations, see [FlashInfer installation](https://docs.flashinfer.ai/installation.html).
+> If FlashInfer is not installed, the model falls back to SDPA (PyTorch native attention) via `--use_sdpa`.
+
+**5. Visualization dependencies (optional)**
+
+```bash
+pip install -e ".[vis]"
+```
+
+# Demo
+
+## Streaming Inference from Images
+
+```bash
+python demo.py --model_path /path/to/checkpoint.pt \
+    --image_folder /path/to/images/
+```
+
+## Streaming Inference from Video
+
+```bash
+python demo.py --model_path /path/to/checkpoint.pt \
+    --video_path video.mp4 --fps 10
+```
+
+## Streaming with Keyframe Interval
+
+Use `--keyframe_interval` to reduce KV cache memory by only keeping every N-th frame as a keyframe. Non-keyframe frames still produce predictions but are not stored in the cache. This is useful for long sequences 
+which excesses 320 frames.
+
+```bash
+python demo.py --model_path /path/to/checkpoint.pt \
+    --image_folder /path/to/images/ --keyframe_interval 6
+```
+
+## Windowed Inference (for long sequences, >3000 frames)
+```bash
+python demo.py --model_path /path/to/checkpoint.pt \
+    --video_path video.mp4 --fps 10 \
+    --mode windowed --window_size 64
+```
+
+
+## With Sky Masking
+
+```bash
+python demo.py --model_path /path/to/checkpoint.pt \
+    --image_folder /path/to/images/ --mask_sky
+```
+
+## Without FlashInfer (SDPA fallback)
+
+```bash
+python demo.py --model_path /path/to/checkpoint.pt \
+    --image_folder /path/to/images/ --use_sdpa
+```
+
+# Model Download
+
+<!-- TODO: fill in model checkpoints -->
+
+| Model Name | Huggingface Repository | Description |
+| :--- | :--- | :--- |
+| lingbot-map | | Base model checkpoint |
+
+
+# License
+
+This project is released under the Apache License 2.0. See [LICENSE](LICENSE.txt) file for details.
+
+# Citation
+
+```bibtex
+@article{lingbot-map2026,
+  title={},
+  author={},
+  journal={arXiv preprint arXiv:},
+  year={2026}
+}
+```
+
+# Acknowledgments
+
+This work builds upon several excellent open-source projects:
+
+- [VGGT](https://github.com/facebookresearch/vggt)
+- [DINOv2](https://github.com/facebookresearch/dinov2)
+- [Flashinfer](https://github.com/flashinfer-ai/flashinfer)
+
+---