arXiv Computer Vision

TRiST: Topology-Reinforced Swin Transformer for Medical Image Analysis

TRiST (Topology‑Reinforced Swin Transformer) augments hierarchical Vision Transformers with explicit topological information for medical image analysis. It computes 2D persistent homology (H0 and H1) at four Swin stages, refines persistence bands with gated residual networks, and injects learned key‑saliency scores into shifted‑window attention. The resulting Topo‑SwinV2‑B and Topo‑Swin‑UNet models outperform Swin baselines across five medical datasets.

arXiv Computer Vision
Oct 26

VTRL-Med: Progressive Visual Refinement with Topology-Guided Regularization for Medical Image Clustering

VTRL-Med is a progressive visual‑structural learning framework that incorporates topology‑guided regularization for medical image clustering. It adapts the Segment Anything Model to preserve structural cues, generates pseudo‑labels via prototype selection and k‑NN consistency, and refines visual features while an auxiliary topology branch—built from persistent homology descriptors—provides geometric regularization. The method achieves state‑of‑the‑art clustering accuracy, improving average performance by 4.48% over prior approaches and further boosting accuracy by 1.3–4.3% with topology guidance.

By Guangyu Meng, Pengfei Gu, Peixian Liang, John P. Lalor, Erin Wolf Chambers, Danny Z. Chen
Hugging Face Trending Papers
Jun 29

HTC-SGA Former: A Hybrid Transformer-CNN Network with Self-Guided Attention and a New Boundary-Weighted Adaptive Loss for Coronary DSA Vessel Segmentation

Accurate coronary Digital Subtraction Angiography (DSA) vessel segmentation is essential for computer-aided diagnosis and treatment planning of coronary artery disease (CAD). However, thin low-contrast vessels, background interference, and severe vessel-background class imbalance make reliable segmentation of weak distal branches and vessel boundaries challenging.

Hugging Face Trending Papers
Jul 1

MedCAGD: Context-Aware Gated Decoder for Efficient Medical Image Segmentation

Medical image segmentation relies on the ability of encoder-decoder architectures to translate rich feature representations into accurate pixel-level predictions under challenging conditions such as low contrast, structural ambiguity, and scale variability. While recent advances in large-scale pretraining and transformer-based encoders have substantially improved feature extraction, segmentation accuracy remains constrained by decoder design, particularly in terms of cross-scale alignment, contextual integration, and boundary preservation.

arXiv Computer Vision
Sep 23

Combinatorial Network-Based Manifold Topological Deep Learning for Image Analysis

Combinatorial Network-Based Manifold Topological Deep Learning (CNMTDL) is a new framework that represents medical images as discrete manifolds and decomposes them into three Hodge components. Features from these components are concatenated and fed into a combinatorial complex architecture, enabling higher‑order message passing between 0‑cells and 2‑cells via attention‑based blocks. CNMTDL was evaluated on six 2D and 3D datasets from the MedMNIST v2 benchmark, showing improved performance for medical image analysis.

By Alice Wachira, Xiang Liu, Zhe Su, Yiying Tong, Ge Wang, Guo-Wei Wei
arXiv Computer Vision
Oct 12

Learning Features, Not Layouts: Feature-Axis Attention as a Transfer Prior for Medical Imaging

The paper introduces FAD‑ViT, a vision transformer that decouples spatial and feature axes of global attention, making feature‑axis attention the primary operator. Experiments on 23 medical imaging tasks show that shifting global attention from spatial to feature leaves from‑scratch performance unchanged but significantly boosts transfer learning, achieving up to three times the gain with fewer parameters and lower compute. The study demonstrates that prioritizing feature‑axis attention is a simple, cost‑effective design choice for improving medical image transfer.

By Aon Safdar, Mohamed Saadeldin