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+*.pcm filter=lfs diff=lfs merge=lfs -text
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diff --git a/README.md b/README.md
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index 0000000000000000000000000000000000000000..f7f906841e14f9613974dcb135d611b53a7fe186
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+---
+license: mit
+task_categories:
+- image-to-text
+- text-to-image
+- image-segmentation
+tags:
+- electron_micrograph
+- Materials
+- microstructure
+- characterization
+- scientific_figure_understanding
+configs:
+- config_name: default
+  data_files:
+  - split: synthesized_data_structured_descriptions
+    path: data/synthesized_data_structured_descriptions-*
+  - split: synthesized_data_image_captions
+    path: data/synthesized_data_image_captions-*
+dataset_info:
+  features:
+  - name: image
+    dtype: image
+  - name: attribute_description
+    struct:
+    - name: color_profile
+      dtype: string
+    - name: distribution
+      dtype: string
+    - name: layering
+      dtype: string
+    - name: microscopy_type
+      dtype: string
+    - name: morphology
+      dtype: string
+    - name: particle_density
+      dtype: string
+    - name: pixel_size_profile
+      dtype: string
+    - name: subject
+      dtype: string
+    - name: surface_texture
+      dtype: string
+  - name: full_caption
+    dtype: string
+  splits:
+  - name: synthesized_data_structured_descriptions
+    num_bytes: 13685770890.264
+    num_examples: 9106
+  - name: synthesized_data_image_captions
+    num_bytes: 32591407248
+    num_examples: 19016
+  download_size: 46275971944
+  dataset_size: 46277178138.264
+size_categories:
+- 10K<n<100K
+---
+
+# UniEM-3M
+
+## 📘 Dataset Summary  
+UniEM-3M is the first large-scale multimodal electron microscopy (EM) dataset for instance-level microstructural understanding, which is proposed in our paper "[UniEM-3M: A Universal Electron Micrograph Dataset for Microstructural Segmentation and Generation](https://arxiv.org/abs/2508.16239)". 
+It provides high-resolution electron micrographs with expert-curated annotations and textual descriptions, aiming to accelerate research in automated materials analysis and deep learning for materials science.
+
+The dataset addresses the scarcity of large-scale EM datasets by offering:  
+- **5,091** high-resolution EM images 
+- About **3 million instance segmentation labels**
+- **Image-level structural descriptions** disentangled by attributes
+- A **text-to-image diffusion model** trained on the full dataset
+
+---
+
+## 🚨 Important Notice  
+At this stage, we are only releasing **the generative model—[UniEM-Gen](https://huggingface.co/NNNan/UniEM-Gen), the generated data and their corresponding textual descriptions**.  
+The **real electron micrographs** and **instance segmentation annotations** will be released after our paper has completed peer review (currently under review).  
+
+---
+
+## 🌐 Online Application  
+We trained a **state-of-the-art instance segmentation model** for microstructural characterization on UniEM-3M, and further developed a **complete analysis software suite** based on this model.  
+It is available as an online application here: 👉 [online application](https://www.bohrium.com/apps/uni-aims?tab=readme_link)  
+
+---
+
+## 📂 Dataset Structure  
+- **Currently released**:  
+  - **synthesized_data_structured_descriptions**: synthesized data with structured descriptions
+  - **synthesized_data_image_captions**: synthesized data with natural language descriptions
+
+- **To be released** (after peer review):  
+  - Real EM images and corresponding descriptions
+  - ~3M instance segmentation labels
+
+---
+
+## 🚀 Applications  
+- Multimodal learning in materials science  
+- Text-to-image generation with scientific fidelity  
+- Instance segmentation of microstructures
+- Image captioning / attribute-aware description generation
+- Training and benchmarking deep learning models for EM data  
+
+---
+
+## 📖 Citation  
+If you use this dataset, please cite:  
+
+```bibtex
+@misc{wang2025uniem3muniversalelectronmicrograph,
+      title={UniEM-3M: A Universal Electron Micrograph Dataset for Microstructural Segmentation and Generation}, 
+      author={Nan wang and Zhiyi Xia and Yiming Li and Shi Tang and Zuxin Fan and Xi Fang and Haoyi Tao and Xiaochen Cai and Guolin Ke and Linfeng Zhang and Yanhui Hong},
+      year={2025},
+      eprint={2508.16239},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2508.16239}, 
+}
\ No newline at end of file
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