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Video-and-language pre-training has shown promising improvements on various downstream tasks. Most previous methods capture cross-modal interactions with a transformer-based multimodal encoder, not fully addressing the misalignment between…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Dongxu Li , Junnan Li , Hongdong Li , Juan Carlos Niebles , Steven C. H. Hoi

Driven by large-scale contrastive vision-language pre-trained models such as CLIP, recent advancements in the image-text matching task have achieved remarkable success in representation learning. Due to image-level visual-language…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Mengxiao Tian , Xinxiao Wu , Shuo Yang

Multimodal embedding models, rooted in multimodal large language models (MLLMs), have yielded significant performance improvements across diverse tasks such as retrieval and classification. However, most existing approaches rely heavily on…

信息检索 · 计算机科学 2026-03-03 Jiahan Chen , Da Li , Hengran Zhang , Yinqiong Cai , Lixin Su , Jiafeng Guo , Daiting Shi , Dawei Yin , Keping Bi

Beyond the success of Contrastive Language-Image Pre-training (CLIP), recent trends mark a shift toward exploring the applicability of lightweight vision-language models for resource-constrained scenarios. These models often deliver…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Chu Myaet Thwal , Ye Lin Tun , Minh N. H. Nguyen , Eui-Nam Huh , Choong Seon Hong

Introducing BERT into cross-modal settings raises difficulties in its optimization for handling multiple modalities. Both the BERT architecture and training objective need to be adapted to incorporate and model information from different…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Xin Li , Peng Li , Zeyong Wei , Zhe Zhu , Mingqiang Wei , Junhui Hou , Liangliang Nan , Jing Qin , Haoran Xie , Fu Lee Wang

Pre-trained multi-modal Vision-Language Models like CLIP are widely used off-the-shelf for a variety of applications. In this paper, we show that the common practice of individually exploiting the text or image encoders of these powerful…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Marco Mistretta , Alberto Baldrati , Lorenzo Agnolucci , Marco Bertini , Andrew D. Bagdanov

Video content comprehension is essential for various applications, ranging from video analysis to interactive systems. Despite advancements in large-scale vision-language models (VLMs), these models often struggle to capture the nuanced,…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Shuyi Zhang , Xiaoshuai Hao , Yingbo Tang , Lingfeng Zhang , Pengwei Wang , Zhongyuan Wang , Hongxuan Ma , Shanghang 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

Time series anomaly detection plays a critical role in many dynamic systems. Despite its importance, previous approaches have primarily relied on unimodal numerical data, overlooking the importance of complementary information from other…

机器学习 · 计算机科学 2026-03-24 Shiyan Hu , Jianxin Jin , Yang Shu , Peng Chen , Bin Yang , Chenjuan Guo

Effective cross-modal retrieval is essential for applications like information retrieval and recommendation systems, particularly in specialized domains such as manufacturing, where product information often consists of visual samples…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Francesco Giuliari , Asif Khan Pattan , Mohamed Lamine Mekhalfi , Fabio Poiesi

Contrastive Language and Image Pairing (CLIP), a transformative method in multimedia retrieval, typically trains two neural networks concurrently to generate joint embeddings for text and image pairs. However, when applied directly, these…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Konstantin Schall , Kai Uwe Barthel , Nico Hezel , Klaus Jung

In this work, we study the problem of Text-to-Image In-Context Learning (T2I-ICL). While Unified Multimodal LLMs (MLLMs) have advanced rapidly in recent years, they struggle with contextual reasoning in T2I-ICL scenarios. To address this…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Jiaqi Liao , Zhengyuan Yang , Linjie Li , Dianqi Li , Kevin Lin , Yu Cheng , Lijuan Wang

State-of-the-art text-video retrieval (TVR) methods typically utilize CLIP and cosine similarity for efficient retrieval. Meanwhile, cross attention methods, which employ a transformer decoder to compute attention between each text query…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Zuozhuo Dai , Fangtao Shao , Qingkun Su , Zilong Dong , Siyu Zhu

We develop an approach to learning visual representations that embraces multimodal data, driven by a combination of intra- and inter-modal similarity preservation objectives. Unlike existing visual pre-training methods, which solve a proxy…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Xin Yuan , Zhe Lin , Jason Kuen , Jianming Zhang , Yilin Wang , Michael Maire , Ajinkya Kale , Baldo Faieta

Recent advancements in large language models have demonstrated how chain-of-thought (CoT) and reinforcement learning (RL) can improve performance. However, applying such reasoning strategies to the visual generation domain remains largely…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Dongzhi Jiang , Ziyu Guo , Renrui Zhang , Zhuofan Zong , Hao Li , Le Zhuo , Shilin Yan , Pheng-Ann Heng , Hongsheng Li

Large multimodal models (LMMs) have gained impressive performance due to their outstanding capability in various understanding tasks. However, these models still suffer from some fundamental limitations related to robustness and…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Thanh-Dat Truong , Huu-Thien Tran , Tran Thai Son , Bhiksha Raj , Khoa Luu

While image-text representation learning has become very popular in recent years, existing models tend to lack spatial awareness and have limited direct applicability for dense understanding tasks. For this reason, self-supervised…

Visual domain gaps often impact object detection performance. Image-to-image translation can mitigate this effect, where contrastive approaches enable learning of the image-to-image mapping under unsupervised regimes. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Danai Triantafyllidou , Sarah Parisot , Ales Leonardis , Steven McDonagh

The advancement of Large Language Models (LLMs) has brought substantial attention to the Chain of Thought (CoT) approach, primarily due to its ability to enhance the capability of LLMs on complex reasoning tasks. Moreover, the significance…

计算与语言 · 计算机科学 2024-03-05 Bingshuai Liu , Chenyang Lyu , Zijun Min , Zhanyu Wang , Jinsong Su , Longyue Wang

In this paper, we investigate the cross-media retrieval between images and text, i.e., using image to search text (I2T) and using text to search images (T2I). Existing cross-media retrieval methods usually learn one couple of projections,…

计算机视觉与模式识别 · 计算机科学 2015-06-24 Yunchao Wei , Yao Zhao , Zhenfeng Zhu , Shikui Wei , Yanhui Xiao , Jiashi Feng , Shuicheng Yan