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Text-to-image models are powerful for producing high-quality images based on given text prompts, but crafting these prompts often requires specialized vocabulary. To address this, existing methods train rewriting models with supervision…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Hongji Yang , Yucheng Zhou , Wencheng Han , Jianbing Shen

The huge variance of human pose and the misalignment of detected human images significantly increase the difficulty of person Re-Identification (Re-ID). Moreover, efficient Re-ID systems are required to cope with the massive visual data…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Longhui Wei , Shiliang Zhang , Hantao Yao , Wen Gao , Qi Tian

The increasing capacities of large language models (LLMs) have been shown to present an unprecedented opportunity to scale up data analytics in the humanities and social sciences, by automating complex qualitative tasks otherwise typically…

Computation and Language · Computer Science 2024-10-22 Andres Karjus

Person re-identification (ReID) aims to retrieve target pedestrian images given either visual queries (image-to-image, I2I) or textual descriptions (text-to-image, T2I). Although both tasks share a common retrieval objective, they pose…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Linhan Zhou , Shuang Li , Neng Dong , Yonghang Tai , Yafei Zhang , Huafeng Li

Image-text matching (ITM) aims to address the fundamental challenge of aligning visual and textual modalities, which inherently differ in their representations, continuous, high-dimensional image features vs. discrete, structured text. We…

Multimedia · Computer Science 2025-07-14 Junyu Chen , Yihua Gao , Mingyong Li

Span annotation - annotating specific text features at the span level - can be used to evaluate texts where single-score metrics fail to provide actionable feedback. Until recently, span annotation was done by human annotators or fine-tuned…

Generative large language models (LLMs) can be a powerful tool for augmenting text annotation procedures, but their performance varies across annotation tasks due to prompt quality, text data idiosyncrasies, and conceptual difficulty.…

Computation and Language · Computer Science 2023-06-02 Nicholas Pangakis , Samuel Wolken , Neil Fasching

Large language models (LLMs) are increasingly used by researchers in the social sciences and humanities (SSH) for text analysis, particularly to automate text annotation. However, many researchers still face challenges in adopting LLMs,…

Computers and Society · Computer Science 2026-05-28 Qixiang Fang , Javier Garcia Bernardo , Erik-Jan van Kesteren

Unsupervised person re-identification (re-ID) has become an important topic due to its potential to resolve the scalability problem of supervised re-ID models. However, existing methods simply utilize pseudo labels from clustering for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Junhui Yin , Jiayan Qiu , Siqing Zhang , Jiyang Xie , Zhanyu Ma , Jun Guo

Large Language Models (LLMs) have demonstrated exceptional proficiency in text understanding and embedding tasks. However, their potential in multimodal representation, particularly for item-to-item (I2I) recommendations, remains…

Information Retrieval · Computer Science 2025-01-22 Chao Zhang , Haoxin Zhang , Shiwei Wu , Di Wu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen

Text-to-image person re-identification (ReID) aims to search for pedestrian images of an interested identity via textual descriptions. It is challenging due to both rich intra-modal variations and significant inter-modal gaps. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Zhiyin Shao , Xinyu Zhang , Meng Fang , Zhifeng Lin , Jian Wang , Changxing Ding

This paper explores the use of large language models (LLMs) for annotating document utility in training retrieval and retrieval-augmented generation (RAG) systems, aiming to reduce dependence on costly human annotations. We address the gap…

Information Retrieval · Computer Science 2025-10-10 Hengran Zhang , Minghao Tang , Keping Bi , Jiafeng Guo , Shihao Liu , Daiting Shi , Dawei Yin , Xueqi Cheng

A series of unsupervised video-based re-identification (re-ID) methods have been proposed to solve the problem of high labor cost required to annotate re-ID datasets. But their performance is still far lower than the supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Hehan Teng , Tao He , Yuchen Guo , Zhenhua Guo , Guiguang Ding

Text-based person re-identification (Re-ID) is a challenging topic in the field of complex multimodal analysis, its ultimate aim is to recognize specific pedestrians by scrutinizing attributes/natural language descriptions. Despite the wide…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Fanzhi Jiang , Su Yang , Mark W. Jones , Liumei Zhang

Annotated images are required for both supervised model training and evaluation in image classification. Manually annotating images is arduous and expensive, especially for multi-labeled images. A recent trend for conducting such laboursome…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Jianzhe Lin , Tianze Yu , Z. Jane Wang

Multimodal Large Language Models (MLLMs) have demonstrated significant advances in visual understanding tasks. However, their capacity to comprehend human-centric scenes has rarely been explored, primarily due to the absence of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Yuansen Liu , Haiming Tang , Jinlong Peng , Jiangning Zhang , Xiaozhong Ji , Qingdong He , Wenbin Wu , Donghao Luo , Zhenye Gan , Junwei Zhu , Yunhang Shen , Chaoyou Fu , Chengjie Wang , Xiaobin Hu , Shuicheng Yan

Although the annotation paradigm based on Large Language Models (LLMs) has made significant breakthroughs in recent years, its actual deployment still has two core bottlenecks: first, the cost of calling commercial APIs in large-scale…

Computation and Language · Computer Science 2025-06-23 Yao Lu , Zhaiyuan Ji , Jiawei Du , Yu Shanqing , Qi Xuan , Tianyi Zhou

For subjective tasks such as hate detection, where people perceive hate differently, the Large Language Model's (LLM) ability to represent diverse groups is unclear. By including additional context in prompts, we comprehensively analyze…

Computation and Language · Computer Science 2024-10-04 Sarah Masud , Sahajpreet Singh , Viktor Hangya , Alexander Fraser , Tanmoy Chakraborty

Person re-identification (re-id) is a cross-camera retrieval task which establishes a correspondence between images of a person from multiple cameras. Deep Learning methods have been successfully applied to this problem and have achieved…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Jean-Paul Ainam , Ke Qin , Guisong Liu , Guangchun Luo

Personalization, the ability to tailor a system to individual users, is an essential factor in user experience with natural language processing (NLP) systems. With the emergence of Large Language Models (LLMs), a key question is how to…

Computation and Language · Computer Science 2023-11-01 Chris Richardson , Yao Zhang , Kellen Gillespie , Sudipta Kar , Arshdeep Singh , Zeynab Raeesy , Omar Zia Khan , Abhinav Sethy