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相关论文: UNIGEOCLIP: Unified Geospatial Contrastive Learnin…

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Large-scale foundation models, such as CLIP, have demonstrated remarkable success in visual recognition tasks by embedding images in a semantically rich space. Self-supervised learning (SSL) has also shown promise in improving visual…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Mainak Singha , Ankit Jha , Biplab Banerjee

Multifold observations are common for different data modalities, e.g., a 3D shape can be represented by multi-view images and an image can be described with different captions. Existing cross-modal contrastive representation learning…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Ye Wang , Bowei Jiang , Changqing Zou , Rui Ma

Recent advances in vision-language pre-training have enabled machines to perform better in multimodal object discrimination (e.g., image-text semantic alignment) and image synthesis (e.g., text-to-image generation). On the other hand,…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Xiao Dong , Runhui Huang , Xiaoyong Wei , Zequn Jie , Jianxing Yu , Jian Yin , Xiaodan Liang

Recent works in 3D multimodal learning have made remarkable progress. However, typically 3D multimodal models are only capable of handling point clouds. Compared to the emerging 3D representation technique, 3D Gaussian Splatting (3DGS), the…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Siyu Jiao , Haoye Dong , Yuyang Yin , Zequn Jie , Yinlong Qian , Yao Zhao , Humphrey Shi , Yunchao Wei

Cross-view geo-localization (CVGL) matches query images ($\textit{e.g.}$, drone) to geographically corresponding opposite-view imagery ($\textit{e.g.}$, satellite). While supervised methods achieve strong performance, their reliance on…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Cuiqun Chen , Qi Chen , Bin Yang , Xingyi Zhang

Contrastive learning (CL) has become a powerful approach for learning representations from unlabeled images. However, existing CL methods focus predominantly on visual appearance features while neglecting topological characteristics (e.g.,…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Guangyu Meng , Pengfei Gu , Peixian Liang , John P. Lalor , Erin Wolf Chambers , Danny Z. Chen

The unification of disparate maps is crucial for enabling scalable robot operation across multiple sessions and collaborative multi-robot scenarios. However, achieving a unified map robust to sensor modalities and dynamic environments…

机器人学 · 计算机科学 2025-12-24 Gilhwan Kang , Hogyun Kim , Byunghee Choi , Seokhwan Jeong , Young-Sik Shin , Younggun Cho

Motion retrieval is crucial for motion acquisition, offering superior precision, realism, controllability, and editability compared to motion generation. Existing approaches leverage contrastive learning to construct a unified embedding…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Shiyao Yu , Zi-An Wang , Kangning Yin , Zheng Tian , Mingyuan Zhang , Weixin Si , Shihao Zou

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

In recent times, there has been a growing interest in developing effective perception techniques for combining information from multiple modalities. This involves aligning features obtained from diverse sources to enable more efficient…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Zhongyu Jiang , Wenhao Chai , Lei Li , Zhuoran Zhou , Cheng-Yen Yang , Jenq-Neng Hwang

Contrastive learning has emerged as a prominent branch of self-supervised learning for several years. Especially, CLIP, which applies contrastive learning to large sets of captioned images, has garnered significant attention. Recently,…

机器学习 · 计算机科学 2024-02-21 Chungpa Lee , Joonhwan Chang , Jy-yong Sohn

We present modality gap, an intriguing geometric phenomenon of the representation space of multi-modal models. Specifically, we show that different data modalities (e.g. images and text) are embedded at arm's length in their shared…

计算与语言 · 计算机科学 2022-10-21 Weixin Liang , Yuhui Zhang , Yongchan Kwon , Serena Yeung , James Zou

Recent advances have been witnessed in audio-language joint learning, such as CLAP, that shows much success in multi-modal understanding tasks. These models usually aggregate uni-modal local representations, namely frame or word features,…

音频与语音处理 · 电气工程与系统科学 2024-08-16 Yiming Li , Zhifang Guo , Xiangdong Wang , Hong Liu

Training multimodal large language models has long been limited by the scarcity of high-quality paired multimodal data. Recent studies show that the shared representation space of pretrained multimodal contrastive models can serve as a…

Contrastive Language-Image Pre-Training (CLIP) is a popular method for learning multimodal latent spaces with well-organized semantics. Despite its wide range of applications, CLIP's latent space is known to fail at handling complex…

机器学习 · 计算机科学 2026-03-17 Raphi Kang , Yue Song , Georgia Gkioxari , Pietro Perona

In rapidly evolving field of vision-language models (VLMs), contrastive language-image pre-training (CLIP) has made significant strides, becoming foundation for various downstream tasks. However, relying on one-to-one (image, text)…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Haicheng Wang , Chen Ju , Weixiong Lin , Shuai Xiao , Mengting Chen , Yixuan Huang , Chang Liu , Mingshuai Yao , Jinsong Lan , Ying Chen , Qingwen Liu , Yanfeng Wang

In deepfake detection, the varying degrees of compression employed by social media platforms pose significant challenges for model generalization and reliability. Although existing methods have progressed from single-modal to multimodal…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Ching-Yi Lai , Chih-Yu Jian , Pei-Cheng Chuang , Chia-Ming Lee , Chih-Chung Hsu , Chiou-Ting Hsu , Chia-Wen Lin

This paper describes Georeference Contrastive Learning of visual Representation (GeoCLR) for efficient training of deep-learning Convolutional Neural Networks (CNNs). The method leverages georeference information by generating a similar…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Takaki Yamada , Adam Prügel-Bennett , Stefan B. Williams , Oscar Pizarro , Blair Thornton

Recent methods utilize graph contrastive Learning within graph-structured user-item interaction data for collaborative filtering and have demonstrated their efficacy in recommendation tasks. However, they ignore that the difference relation…

信息检索 · 计算机科学 2024-03-25 Jiaheng Yu , Jing Li , Yue He , Kai Zhu , Shuyi Zhang , Wen Hu

Current unified multimodal models typically rely on discrete visual tokenizers to bridge the modality gap. However, discretization inevitably discards fine-grained semantic information, leading to suboptimal performance in visual…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Yaqi Zhao , Wang Lin , Zijian Zhang , Miles Yang , Jingyuan Chen , Wentao Zhang , Zhao Zhong , Liefeng Bo