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Chenglong Liu

5 accepted papers

2025

Refining Sentence Embedding Model through Ranking Sentences Generation with Large Language Models

ACL 2025finding

Sentence embedding is essential for many NLP tasks, with contrastive learning methods achieving strong performance using annotated datasets like NLI. Yet, the reliance on manual labels limits scalability. Recent studies leverage large language models (LLMs) to generate sentence pairs, reducing annot…

2024

GigaHumanDet: Exploring Full-Body Detection on Gigapixel-Level Images

AAAI 2024technical

Performing person detection in super-high-resolution images has been a challenging task. For such a task, modern detectors, which usually encode a box using center and width/height, struggle with accuracy due to two factors: 1) Human characteristic: people come in various postures and the center wit…

Cited by 5SourcePDFScholar
2024

Multimodal Event Causality Reasoning with Scene Graph Enhanced Interaction Network

AAAI 2024technical

Multimodal event causality reasoning aims to recognize the causal relations based on the given events and accompanying image pairs, requiring the model to have a comprehensive grasp of visual and textual information. However, existing studies fail to effectively model the relations of the objects wi…

Cited by 3SourcePDFScholar
2022

Corner Affinity: A Robust Grouping Algorithm to Make Corner-guided Detector Great Again

IJCAI 2022poster

Corner-guided detector enjoys potential ability to yield precise bounding boxes. However, unreliable corner pairs, generated by heuristic grouping guidance, hinder the development of this detector. In this paper, we propose a novel corner grouping algorithm, termed as Corner Affinity, to significan…

Cited by 4SourcePDFScholar
2022

HumanLiker: A Human-like Object Detector to Model the Manual Labeling Process

NeurIPS 2022accept

Popular object detection models generate bounding boxes in a different way than we humans. As an example, modern detectors yield object box either upon the regression of its center and width/height (center-guided detector), or by grouping paired estimated corners (corner-guided detector). However, t…

Cited by 5SourcePDFScholar