3 papers
stat.AP2025
Doubly Smoothed Density Estimation with Application on Miners' Unsafe Act Detection
Qianhan Zeng, Miao Han, Ke Xu +2
We study anomaly detection in images under a fixed-camera environment and propose a \emph{doubly smoothed} (DS) density estimator that exploits spatial structure to improve estimat…
stat.AP2024
A Semiparametric Gaussian Mixture Model for Chest CT-based 3D Blood Vessel Reconstruction
Qianhan Zeng, Jing Zhou, Ying Ji +1
Computed tomography (CT) has been a powerful diagnostic tool since its emergence in the 1970s. Using CT data, three-dimensional (3D) structures of human internal organs and tissues…
cs.LG2023
Improved Naive Bayes with Mislabeled Data
Qianhan Zeng, Yingqiu Zhu, Xuening Zhu +5
Labeling mistakes are frequently encountered in real-world applications. If not treated well, the labeling mistakes can deteriorate the classification performances of a model serio…