Jun Liu
2 papers · Latest:
Computer Vision
Continuous-tone Simple Points: An $\ell_0$-Norm of Cyclic Gradient for Topology-Preserving Data-Driven Image Segmentation
This paper introduces a differentiable method to detect simple points on continuous images, enabling topology-preserving deep learning segmentation and skeletonization.
2604.28159
Galaxies & CosmologyFull-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign
Sgr A* shows distinct millimeter-wave polarization and intensity variability, challenging standard accretion models with new insights from an X-ray flare.
2604.10287
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