no code implementations • 6 Oct 2024 • Xue-Cheng Tai, Hao liu, Raymond H. Chan, Lingfeng li
The UNet architecture has transformed image segmentation.
no code implementations • 23 May 2024 • Kehui Zhang, Lingfeng li, Hao liu, Jing Yuan, Xue-Cheng Tai
Shape compactness is a key geometrical property to describe interesting regions in many image segmentation tasks.
no code implementations • 29 Feb 2024 • Lingfeng li, Xue-Cheng Tai, Raymond Chan
Unlike previous methods, our approach requires the predicted ABP waveforms to satisfy the Navier-Stokes equation with a time-periodic condition and a Windkessel boundary condition.
1 code implementation • 23 Aug 2022 • Lingfeng li, Huaiwei Cong, Gangming Zhao, Junran Peng, Zheng Zhang, Jinpeng Li
However, due to the tissue overlap, X-ray images are difficult to provide fine-grained features for early diagnosis.
no code implementations • 6 Jul 2021 • Lingfeng li, Xue-Cheng Tai, Jiang Yang
We mainly focus on two regularization methods: the total variation and the Tikhonov regularization.
no code implementations • 22 Feb 2021 • Leo WH Fung, Lingfeng li, Tao Liu, Hoang Nhan Luu, Yu-Cheng Qiu, S. -H. Henry Tye
If the electroweak Higgs vacuum expectation value $v$ in early universe is $\sim 1 \%$ higher than its present value $v_0=246$ GeV, the $^7$Li puzzle in BBN and the CMB/$\Lambda$CDM tension with late-universe measurements on Hubble parameter are mitigated.
High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory
no code implementations • 21 Mar 2020 • Lingfeng li, Shousheng Luo, Xue-Cheng Tai, Jiang Yang
We apply this new method to two applications: object segmentation with convexity prior and convex hull problem (especially with outliers).
no code implementations • 12 Nov 2019 • Riqiang Gao, Lingfeng li, Yucheng Tang, Sanja L. Antic, Alexis B. Paulson, Yuankai Huo, Kim L. Sandler, Pierre P. Massion, Bennett A. Landman
Annual low dose computed tomography (CT) lung screening is currently advised for individuals at high risk of lung cancer (e. g., heavy smokers between 55 and 80 years old).
no code implementations • 9 Aug 2019 • Lingfeng Li, Shousheng Luo, Xue-Cheng Tai, Jiang Yang
In this model, the convex hull is characterized by the zero sublevel-set of a convex level set function, which is non-positive at every given point.