133 citations · 389 across the 37 of their papers we have counts for
17 papers · 1 filter
A Deterministic Almost-Linear Time Algorithm for Minimum-Cost Flow
Jan van den Brand, Li Chen, Rasmus Kyng +5
We give a deterministic time algorithm that computes exact maximum flows and minimum-cost flows on directed graphs with edges and polynomially bounded integral dem…
Learning Causality-inspired Representation Consistency for Video Anomaly Detection
Yang Liu, Zhaoyang Xia, Mengyang Zhao +7
Video anomaly detection is an essential yet challenging task in the multimedia community, with promising applications in smart cities and secure communities. Existing methods attem…
SkeletonMAE: Graph-based Masked Autoencoder for Skeleton Sequence Pre-training
Hong Yan, Yang Liu, Yushen Wei +3
Skeleton sequence representation learning has shown great advantages for action recognition due to its promising ability to model human joints and topology. However, the current me…
Spatio-Temporal Domain Awareness for Multi-Agent Collaborative Perception
Kun Yang, Dingkang Yang, Jingyu Zhang +6
Multi-agent collaborative perception as a potential application for vehicle-to-everything communication could significantly improve the perception performance of autonomous vehicle…
Statistical inference for the penalized EM algorithm to test differential item functioning
Weimeng Wang, Yang Liu, Jeffrey R. Harring
Recent advancements in testing differential item functioning (DIF) have greatly relaxed restrictions made by the conventional multiple group item response theory (IRT) model with r…
Implications of a Possible Spectral Structure of Cosmic-ray Protons Unveiled by the DAMPE
Lin Nie, Yang Liu, Zejun Jiang
The recent observations revealed that the cosmic-ray (CR) proton spectrum showed a complex structure: the hardening at and softening at . Howeve…
A Comprehensive Study on Quality Assurance Tools for Java
Han Liu, Sen Chen, Ruitao Feng +6
Quality assurance (QA) tools are receiving more and more attention and are widely used by developers. Given the wide range of solutions for QA technology, it is still a question of…
CausalVLR: A Toolbox and Benchmark for Visual-Linguistic Causal Reasoning
Yang Liu, Weixing Chen, Guanbin Li +1
We present CausalVLR (Causal Visual-Linguistic Reasoning), an open-source toolbox containing a rich set of state-of-the-art causal relation discovery and causal inference methods f…
Progressive Translation: Improving Domain Robustness of Neural Machine Translation with Intermediate Sequences
Chaojun Wang, Yang Liu, Wai Lam
Previous studies show that intermediate supervision signals benefit various Natural Language Processing tasks. However, it is not clear whether there exist intermediate signals tha…
Sparsifying sums of norms
Arun Jambulapati, James R. Lee, Yang P. Liu +1
For any norms on and , we show there is a sparsified norm such that…
Constructing Holistic Measures for Social Biases in Masked Language Models
Yang Liu, Yuexian Hou
Masked Language Models (MLMs) have been successful in many natural language processing tasks. However, real-world stereotype biases are likely to be reflected in MLMs due to their…
Enhance Multi-Scale Spatial-Temporal Coherence for Configurable Video Anomaly Detection
Kai Cheng, Xinzhe Li, Lijuan Che
The development of unsupervised Video Anomaly Detection (VAD) relies on technologies in the field of signal processing. Since the anomaly is quite ambiguous and unbounded, differen…
VCD: Visual Causality Discovery for Cross-Modal Question Reasoning
Yang Liu, Ying Tan, Jingzhou Luo +1
Existing visual question reasoning methods usually fail to explicitly discover the inherent causal mechanism and ignore jointly modeling cross-modal event temporality and causality…
SKA Science Data Challenge 2: analysis and results
P. Hartley, A. Bonaldi, R. Braun +105
The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomer…
A Practical Study on Developing Mathematical Computation Ability of Ninth-Grade Students
Yang Liu, Xuedan Li
Practical research was conducted to cultivate students' mathematical computation ability using literature analysis, theoretical practice, and statistical analysis methods. The rese…
What Can We Learn from a Semiparametric Factor Analysis of Item Responses and Response Time? An Illustration with the PISA 2015 Data
Yang Liu, Weimeng Wang
It is widely believed that a joint factor analysis of item responses and response time (RT) may yield more precise ability scores that are conventionally predicted from responses o…
Generalized Video Anomaly Event Detection: Systematic Taxonomy and Comparison of Deep Models
Yang Liu, Dingkang Yang, Yan Wang +5
Video Anomaly Detection (VAD) serves as a pivotal technology in the intelligent surveillance systems, enabling the temporal or spatial identification of anomalous events within vid…