15 citations · 31 across the 12 of their papers we have counts for
13 papers
Conditional Accuracy Profiles: Diagnosing LLM Judges across Deployment Conditions
Wenqi Li, Bin Liu, Mindi Ruan +3
LLM-as-judge is now a standard tool for scalable evaluation, but judge performance is still often summarized by a single accuracy number. This aggregate view hides the deployment c…
Correct and Weight: A Simple Yet Effective Loss for Implicit Feedback Recommendation
Minglei Yin, Chuanbo Hu, Bin Liu +4
Learning from implicit feedback has become the standard paradigm for modern recommender systems. However, this setting is fraught with the persistent challenge of false negatives,…
Multimodal Chain-of-Thought Reasoning via ChatGPT to Protect Children from Age-Inappropriate Apps
Chuanbo Hu, Bin Liu, Minglei Yin +2
Mobile applications (Apps) could expose children to inappropriate themes such as sexual content, violence, and drug use. Maturity rating offers a quick and effective method for pot…
Unveiling the Potential of Knowledge-Prompted ChatGPT for Enhancing Drug Trafficking Detection on Social Media
Chuanbo Hu, Bin Liu, Xin Li +1
Social media platforms such as Instagram and Twitter have emerged as critical channels for drug marketing and illegal sale. Detecting and labeling online illicit drug trafficking a…
UPDExplainer: an Interpretable Transformer-based Framework for Urban Physical Disorder Detection Using Street View Imagery
Chuanbo Hu, Shan Jia, Fan Zhang +4
Urban Physical Disorder (UPD), such as old or abandoned buildings, broken sidewalks, litter, and graffiti, has a negative impact on residents' quality of life. They can also increa…
Fusion-based Few-Shot Morphing Attack Detection and Fingerprinting
Na Zhang, Shan Jia, Siwei Lyu +1
The vulnerability of face recognition systems to morphing attacks has posed a serious security threat due to the wide adoption of face biometrics in the real world. Most existing m…
A Saliency-Guided Street View Image Inpainting Framework for Efficient Last-Meters Wayfinding
Chuanbo Hu, Shan Jia, Fan Zhang +1
Global Positioning Systems (GPS) have played a crucial role in various navigation applications. Nevertheless, localizing the perfect destination within the last few meters remains…
Model Attribution of Face-swap Deepfake Videos
Shan Jia, Xin Li, Siwei Lyu
AI-created face-swap videos, commonly known as Deepfakes, have attracted wide attention as powerful impersonation attacks. Existing research on Deepfakes mostly focuses on binary d…
Detection of Illicit Drug Trafficking Events on Instagram: A Deep Multimodal Multilabel Learning Approach
Chuanbo Hu, Minglei Yin, Bin Liu +2
Social media such as Instagram and Twitter have become important platforms for marketing and selling illicit drugs. Detection of online illicit drug trafficking has become critical…
Identifying Illicit Drug Dealers on Instagram with Large-scale Multimodal Data Fusion
Chuanbo Hu, Minglei Yin, Bin Liu +2
Illicit drug trafficking via social media sites such as Instagram has become a severe problem, thus drawing a great deal of attention from law enforcement and public health agencie…
3D Face Anti-spoofing with Factorized Bilinear Coding
Shan Jia, Xin Li, Chuanbo Hu +2
We have witnessed rapid advances in both face presentation attack models and presentation attack detection (PAD) in recent years. When compared with widely studied 2D face presenta…
Joint Demosaicing and Super-Resolution (JDSR): Network Design and Perceptual Optimization
Xuan Xu, Yanfang Ye, Xin Li
Image demosaicing and super-resolution are two important tasks in color imaging pipeline. So far they have been mostly independently studied in the open literature of deep learning…
Spoofing and Anti-Spoofing with Wax Figure Faces
Shan Jia, Xin Li, Chuanbo Hu +1
We have witnessed rapid advances in both face presentation attack models and presentation attack detection (PAD) in recent years. Compared to widely studied 2D face presentation at…