papers

Publications (10)

eess.IV2020

Brain Tumor Anomaly Detection via Latent Regularized Adversarial Network

Nan Wang, Chengwei Chen, Yuan Xie +1

With the development of medical imaging technology, medical images have become an important basis for doctors to diagnose patients. The brain structure in the collected data is com…

cs.CV2020

Anomaly Detection by One Class Latent Regularized Networks

Chengwei Chen, Pan Chen, Haichuan Song +4

Anomaly detection is a fundamental problem in computer vision area with many real-world applications. Given a wide range of images belonging to the normal class, emerging from some…

eess.AS2020

Acoustic anomaly detection via latent regularized gaussian mixture generative adversarial networks

Chengwei Chen, Pan Chen, Lingyu Yang +4

Acoustic anomaly detection aims at distinguishing abnormal acoustic signals from the normal ones. It suffers from the class imbalance issue and the lacking in the abnormal instance…

cs.CV2026

MMSF: Multitask and Multimodal Supervised Framework for WSI Classification and Survival Analysis

Chengying She, Chengwei Chen, Xinran Zhang +4

Multimodal evidence is critical in computational pathology: gigapixel whole slide images capture tumor morphology, while patient-level clinical descriptors preserve complementary c…

cs.CV2026

Removing Motion Artifact in MRI by Using a Perceptual Loss Driven Deep Learning Framework

Ziheng Guo, Danqun Zheng, Shuai Li +8

Purpose: Deep learning-based MRI artifact correction methods often demonstrate poor generalization to clinical data. This limitation largely stems from the inability of deep learni…

cs.CV2025

EfficientMIL: Efficient Linear-Complexity MIL Method for WSI Classification

Chengying She, Chengwei Chen, Dongjie Fan +5

Whole slide images (WSIs) classification represents a fundamental challenge in computational pathology, where multiple instance learning (MIL) has emerged as the dominant paradigm.…

cs.CV2024

PromptAD: Learning Prompts with only Normal Samples for Few-Shot Anomaly Detection

Xiaofan Li, Zhizhong Zhang, Xin Tan +4

The vision-language model has brought great improvement to few-shot industrial anomaly detection, which usually needs to design of hundreds of prompts through prompt engineering. F…

cs.CV2020

Spoof Face Detection Via Semi-Supervised Adversarial Training

Chengwei Chen, Wang Yuan, Xuequan Lu +1

Face spoofing causes severe security threats in face recognition systems. Previous anti-spoofing works focused on supervised techniques, typically with either binary or auxiliary s…

cs.CV2021

Novelty Detection via Contrastive Learning with Negative Data Augmentation

Chengwei Chen, Yuan Xie, Shaohui Lin +5

Novelty detection is the process of determining whether a query example differs from the learned training distribution. Previous methods attempt to learn the representation of the…

cs.CV2020

Novelty Detection via Non-Adversarial Generative Network

Chengwei Chen, Wang Yuan, Yuan Xie +4

One-class novelty detection is the process of determining if a query example differs from the training examples (the target class). Most of previous strategies attempt to learn the…