Publications (67)
Classifying Capabilities (Extended Version)
Cao Nguyen Pham, Oliver BraÄevac, Yichen Xu +2
Capture checking in Scala 3 enables lightweight and practical effect and resource tracking by recording capabilities in types. However, the system offers no way to reason about kin…
Generative Synthetic Data for Causal Inference: Pitfalls, Remedies, and Opportunities
Yichen Xu
The paper examines how fully generative synthetic data models can preserve predictive performance but distort causal estimates, and proposes a hybrid synthetic-data approach that s…
URHand: Universal Relightable Hands
Zhaoxi Chen, Gyeongsik Moon, Kaiwen Guo +20
Existing photorealistic relightable hand models require extensive identity-specific observations in different views, poses, and illuminations, and face challenges in generalizing t…
POLYCHARTQA: Benchmarking Large Vision-Language Models with Multilingual Chart Question Answering
Yichen Xu, Liangyu Chen, Liang Zhang +3
Charts are a universally adopted medium for data communication, yet existing chart understanding benchmarks are overwhelmingly English-centric, limiting their accessibility and rel…
A Survey on Pretrained Language Models for Neural Code Intelligence
Yichen Xu, Yanqiao Zhu
As the complexity of modern software continues to escalate, software engineering has become an increasingly daunting and error-prone endeavor. In recent years, the field of Neural…
The Eggbox Ising Model
Mutian Shen, Yichen Xu, Zohar Nussinov
We introduce the Eggbox Ising model, a tunable construction of rugged energy landscapes defined by distances to a prescribed set of patterns. Correlated pattern ensembles realize a…