Generative Data-engine Foundation Model for Universal Few-shot 2D Vascular Image Segmentation
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| Format: | Preprint |
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2026
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| author | Ge, Rongjun Li, Xin Liu, Yuxing Liu, Chengliang Zhang, Pinzheng Zhang, Jiong Yang, Jian Dillenseger, Jean-Louis Yang, Chunfeng He, Yuting Chen, Yang |
| author_facet | Ge, Rongjun Li, Xin Liu, Yuxing Liu, Chengliang Zhang, Pinzheng Zhang, Jiong Yang, Jian Dillenseger, Jean-Louis Yang, Chunfeng He, Yuting Chen, Yang |
| contents | The segmentation of 2D vascular structures via deep learning holds significant clinical value but is hindered by the scarcity of annotated data, severely limiting its widespread application. Developing a universal few-shot vascular segmentation model is highly desirable, yet remains challenging due to the need for extensive training and the inherent complexities of vascular imaging. In this work, we propose UniVG (Generative Data-engine Foundation Model for Universal Few-shot 2D Vascular Image Segmentation), a novel approach that learns the compositionality of vascular images and constructing a generative foundation model for robust vascular segmentation. UniVG enables the synthesis and learning of diverse and realistic vascular images through two key innovations: 1) Compositional learning for flexible and diverse vascular synthesis: It decomposes and recombines vascular structures with varying morphological features and diverse foreground-background configurations to generate richly diverse synthetic image-label pairs. 2) Few-shot generative adaptation for transferable segmentation: It fine-tunes pre-trained models with minimal annotated data to bridge the gap between synthetic and real vascular domains, synthesizing authentic and diverse vessel images for downstream few-shot vascular segmentation learning. To support our approach, we develop UniVG-58K, a large dataset comprising 58,689 vascular images across five imaging modalities, facilitating robust large-scale generative pre-training. Extensive experiments on 11 vessel segmentation tasks cross 5 modalties (only with 5 labeled images on each task) demonstrate that UniVG achieves performance comparable to fully supervised models, significantly reducing data collection and annotation costs. All code and datasets will be made publicly available at https://github.com/XinAloha/UniVG. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_10737 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Generative Data-engine Foundation Model for Universal Few-shot 2D Vascular Image Segmentation Ge, Rongjun Li, Xin Liu, Yuxing Liu, Chengliang Zhang, Pinzheng Zhang, Jiong Yang, Jian Dillenseger, Jean-Louis Yang, Chunfeng He, Yuting Chen, Yang Image and Video Processing The segmentation of 2D vascular structures via deep learning holds significant clinical value but is hindered by the scarcity of annotated data, severely limiting its widespread application. Developing a universal few-shot vascular segmentation model is highly desirable, yet remains challenging due to the need for extensive training and the inherent complexities of vascular imaging. In this work, we propose UniVG (Generative Data-engine Foundation Model for Universal Few-shot 2D Vascular Image Segmentation), a novel approach that learns the compositionality of vascular images and constructing a generative foundation model for robust vascular segmentation. UniVG enables the synthesis and learning of diverse and realistic vascular images through two key innovations: 1) Compositional learning for flexible and diverse vascular synthesis: It decomposes and recombines vascular structures with varying morphological features and diverse foreground-background configurations to generate richly diverse synthetic image-label pairs. 2) Few-shot generative adaptation for transferable segmentation: It fine-tunes pre-trained models with minimal annotated data to bridge the gap between synthetic and real vascular domains, synthesizing authentic and diverse vessel images for downstream few-shot vascular segmentation learning. To support our approach, we develop UniVG-58K, a large dataset comprising 58,689 vascular images across five imaging modalities, facilitating robust large-scale generative pre-training. Extensive experiments on 11 vessel segmentation tasks cross 5 modalties (only with 5 labeled images on each task) demonstrate that UniVG achieves performance comparable to fully supervised models, significantly reducing data collection and annotation costs. All code and datasets will be made publicly available at https://github.com/XinAloha/UniVG. |
| title | Generative Data-engine Foundation Model for Universal Few-shot 2D Vascular Image Segmentation |
| topic | Image and Video Processing |
| url | https://arxiv.org/abs/2604.10737 |