PraNet-V2: Dual-Supervised Reverse Attention for Medical Image Segmentation
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Abstract (arXiv)
Accurate medical image segmentation is essential for effective diagnosis and treatment. Previously, PraNet-V1 was proposed to enhance polyp segmentation by introducing a reverse attention (RA) module that utilizes background information. However, PraNet-V1 struggles with multi-class segmentation tasks. To address this limitation, we propose PraNet-V2, which, compared to PraNet-V1, effectively performs a broader range of tasks including multi-class segmentation. At the core of PraNet-V2 is the Dual-Supervised Reverse Attention (DSRA) module, which incorporates explicit background supervision, independent background modeling, and semantically enriched attention fusion. Our PraNet-V2 framework demonstrates strong performance on four polyp segmentation datasets. Additionally, by integrating DSRA to iteratively enhance foreground segmentation results in three state-of-the-art semantic segmentation models, we achieve up to a 1.36% improvement in mean Dice score. Code is available at: https://github.com/ai4colonoscopy/PraNet-V2/tree/main/binary_seg/jittor.
Key facts. Cited by 4 papers in the map (data through 14 Oct 2026). Builds on 29 of its 38 references that are in the map. First posted on arXiv 15 Apr 2025.
Builds on
29 of 38 references.
References · 29
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- 2019Res2Net: A New Multi-scale Backbone Architecturecited by 470
- 2020PraNet: Parallel Reverse Attention Network for Polyp Segmentationcited by 460
17 more
- 2018Enhanced-alignment Measure for Binary Foreground Map Evaluationcited by 370
- 2020UNet 3+: A Full-Scale Connected UNet for Medical Image Segmentationcited by 332
- 2016A Benchmark for Endoluminal Scene Segmentation of Colonoscopy Imagescited by 221
- 2021nnFormer: Interleaved Transformer for Volumetric Segmentationcited by 180
- 2021Polyp-PVT: Polyp Segmentation with Pyramid Vision Transformerscited by 159
- 2024EMCAD: Efficient Multi-scale Convolutional Attention Decoding for Medical Image Segmentationcited by 64
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- 2023One-Prompt to Segment All Medical Imagescited by 38
- 2023Multi-scale Hierarchical Vision Transformer with Cascaded Attention Decoding for Medical Image Segmentationcited by 34
- 2024LKM-UNet: Large Kernel Vision Mamba UNet for Medical Image Segmentationcited by 34
- 2024Open-World Semantic Segmentation Including Class Similaritycited by 24
- 2024SelfReg-UNet: Self-Regularized UNet for Medical Image Segmentationcited by 18
- 2024Frontiers in Intelligent Colonoscopycited by 14
- 2023MIST: Medical Image Segmentation Transformer with Convolutional Attention Mixing (CAM) Decodercited by 12
- 2024ASPS: Augmented Segment Anything Model for Polyp Segmentationcited by 12
- 2023Polyper: Boundary Sensitive Polyp Segmentationcited by 8
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Citing papers per year: 2025: 1; 2026: 3.
4 papers.
- 2026SurgMotion: A Video-Native Foundation Model for Universal Understanding of Surgical Videoscited by 4
- 2026DiSa: Saliency-Aware Foreground-Background Disentangled Framework for Open-Vocabulary Semantic Segmentationcited by 2
- 2025MicroAUNet: Boundary-Enhanced Multi-scale Fusion with Knowledge Distillation for Colonoscopy Polyp Image Segmentationcited by 0
- 2026MedCAGD: Context-Aware Gated Decoder for Efficient Medical Image Segmentationcited by 0
- 2026MedCAGD: Context-Aware Gated Decoder for Efficient Medical Image Segmentation1 Jul 2026
- 2026SurgMotion: A Video-Native Foundation Model for Universal Understanding of Surgical Videos5 Feb 2026
- 2026DiSa: Saliency-Aware Foreground-Background Disentangled Framework for Open-Vocabulary Semantic Segmentation27 Jan 2026
- 2025MicroAUNet: Boundary-Enhanced Multi-scale Fusion with Knowledge Distillation for Colonoscopy Polyp Image Segmentation3 Nov 2025