PRISE: Demystifying Deep Lucas-Kanade with Strongly Star-Convex Constraints for Multimodel Image Alignment

no code implementations • CVPR 2023 • Yiqing Zhang, Xinming Huang, Ziming Zhang

The Lucas-Kanade (LK) method is a classic iterative homography estimation algorithm for image alignment, but often suffers from poor local optimality especially when image pairs have large distortions.

Homography Estimation

Composing Answer from Multi-spans for Reading Comprehension

no code implementations • 14 Sep 2020 • Zhuosheng Zhang, Yiqing Zhang, Hai Zhao, Xi Zhou, Xiang Zhou

This paper presents a novel method to generate answers for non-extraction machine reading comprehension (MRC) tasks whose answers cannot be simply extracted as one span from the given passages.

Machine Reading Comprehension

Dependency or Span, End-to-End Uniform Semantic Role Labeling

1 code implementation • 16 Jan 2019 • Zuchao Li, Shexia He, Hai Zhao, Yiqing Zhang, Zhuosheng Zhang, Xi Zhou, Xiang Zhou

Semantic role labeling (SRL) aims to discover the predicateargument structure of a sentence.

Model Optimization Semantic Role Labeling +1

PubSE: A Hierarchical Model for Publication Extraction from Academic Homepages

no code implementations • EMNLP 2018 • Yiqing Zhang, Jianzhong Qi, Rui Zhang, Chu Yin, ong

Publication information in a researcher{'}s academic homepage provides insights about the researcher{'}s expertise, research interests, and collaboration networks.