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We present GTE, a general-purpose text embedding model trained with multi-stage contrastive learning. In line with recent advancements in unifying various NLP tasks into a single format, we train a unified text embedding model by employing…

计算与语言 · 计算机科学 2023-08-08 Zehan Li , Xin Zhang , Yanzhao Zhang , Dingkun Long , Pengjun Xie , Meishan Zhang

Discriminative and generative vision models excel in their respective domains but remain semantically misaligned, hindering progress toward unified visual learning. We introduce LEASE (LEArning from SEmantic Dictionaries), a self-supervised…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Imanol G. Estepa , Jesús M Rodríguez-de-Vera , Bhalaji Nagarajan , Petia Radeva

Large Language Models (LLMs) exhibit substantial capabilities yet encounter challenges, including hallucination, outdated knowledge, and untraceable reasoning processes. Retrieval-augmented generation (RAG) has emerged as a promising…

人工智能 · 计算机科学 2024-06-03 Feiteng Fang , Yuelin Bai , Shiwen Ni , Min Yang , Xiaojun Chen , Ruifeng Xu

Adapting large-scale image-text pre-training models, e.g., CLIP, to the video domain represents the current state-of-the-art for text-video retrieval. The primary approaches involve transferring text-video pairs to a common embedding space…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Haonan Zhang , Pengpeng Zeng , Lianli Gao , Jingkuan Song , Yihang Duan , Xinyu Lyu , Hengtao Shen

In this paper, we propose a novel framework for speech-image retrieval. We utilize speech-image contrastive (SIC) learning tasks to align speech and image representations at a coarse level and speech-image matching (SIM) learning tasks to…

计算与语言 · 计算机科学 2024-09-12 Lifeng Zhou , Yuke Li

Large language models (LLMs) achieve strong performance on plain text tasks but underperform on structured data like tables and databases. Potential challenges arise from their underexposure during pre-training and rigid text-to-structure…

计算与语言 · 计算机科学 2025-07-28 Jiawei Gu , Ziting Xian , Yuanzhen Xie , Ye Liu , Enjie Liu , Ruichao Zhong , Mochi Gao , Yunzhi Tan , Bo Hu , Zang Li

Contrastive learning has been widely used to train transformer-based vision-language models for video-text alignment and multi-modal representation learning. This paper presents a new algorithm called Token-Aware Cascade contrastive…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Jianwei Yang , Yonatan Bisk , Jianfeng Gao

The rapid growth of online video resources has significantly promoted the development of video retrieval methods. As a standard evaluation metric for video retrieval, Average Precision (AP) assesses the overall rankings of relevant videos…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yang Liu , Qianqian Xu , Peisong Wen , Siran Dai , Qingming Huang

Large language models (LLMs) have the remarkable ability to solve new tasks with just a few examples, but they need access to the right tools. Retrieval Augmented Generation (RAG) addresses this problem by retrieving a list of relevant…

信息检索 · 计算机科学 2023-12-12 Raviteja Anantha , Tharun Bethi , Danil Vodianik , Srinivas Chappidi

Contrastive learning has gained popularity and pushes state-of-the-art performance across numerous large-scale benchmarks. In contrastive learning, the contrastive loss function plays a pivotal role in discerning similarities between…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Haojin Deng , Yimin Yang

Retrieval-Augmented Generation (RAG) is a framework for grounding Large Language Models (LLMs) in external, up-to-date information. However, recent advancements in context window size allow LLMs to process inputs of up to 128K tokens or…

机器学习 · 计算机科学 2026-02-26 Seongwoong Shim , Myunsoo Kim , Jae Hyeon Cho , Byung-Jun Lee

Multilingual audio-text retrieval (ML-ATR) is a challenging task that aims to retrieve audio clips or multilingual texts from databases. However, existing ML-ATR schemes suffer from inconsistencies for instance similarity matching across…

声音 · 计算机科学 2025-06-05 Yuguo Yin , Yuxin Xie , Wenyuan Yang , Dongchao Yang , Jinghan Ru , Xianwei Zhuang , Liming Liang , Yuexian Zou

Open-ended text generation faces a critical challenge: balancing coherence with diversity in LLM outputs. While contrastive search-based decoding strategies have emerged to address this trade-off, their practical utility is often limited by…

After natural disasters, accurate evaluations of damage to housing are important for insurance claims response and planning of resources. In this work, we introduce a novel multimodal retrieval-augmented generation (MM-RAG) framework. On…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Jiayi Miao , Dingxin Lu , Zhuqi Wang

The choice of representation for geographic location significantly impacts the accuracy of models for a broad range of geospatial tasks, including fine-grained species classification, population density estimation, and biome classification.…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Aayush Dhakal , Srikumar Sastry , Subash Khanal , Adeel Ahmad , Eric Xing , Nathan Jacobs

The contextual information is critical for various computer vision tasks, previous works commonly design plug-and-play modules and structural losses to effectively extract and aggregate the global context. These methods utilize fine-label…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Jing Wang , Jiangyun Li , Wei Li , Lingfei Xuan , Tianxiang Zhang , Wenxuan Wang

Dense retrieval systems increasingly need to handle complex queries. In many realistic settings, users express intent through long instructions or task-specific descriptions, while target documents remain relatively simple and static. This…

信息检索 · 计算机科学 2026-04-07 Seiji Maekawa , Moin Aminnaseri , Pouya Pezeshkpour , Estevam Hruschka

The success of contrastive learning depends on the construction and utilization of high-quality positive pairs. However, current methods face critical limitations on two fronts: on the construction side, both handcrafted and generative…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Xiaojie Li , Bei Wang , Wei Liu , Jianlong Wu , Yue Yu , Liqiang Nie , Min Zhang

Existing image-text modality alignment in Vision Language Models (VLMs) treats each text token equally in an autoregressive manner. Despite being simple and effective, this method results in sub-optimal cross-modal alignment by…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Xin Xiao , Bohong Wu , Jiacong Wang , Chunyuan Li , Xun Zhou , Haoyuan Guo

Visual emotion recognition (VER) is a longstanding field that has garnered increasing attention with the advancement of deep neural networks. Although recent studies have achieved notable improvements by leveraging the knowledge embedded…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Daiqing Wu , Dongbao Yang , Yu Zhou , Can Ma