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Contrastive Language-Image Pre-training (CLIP), which excels at abstracting open-world representations across domains and modalities, has become a foundation for a variety of vision and multimodal tasks. However, recent studies reveal that…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Wenxuan Wang , Quan Sun , Fan Zhang , Yepeng Tang , Jing Liu , Xinlong Wang

Self-training approach recently secures its position in domain adaptive semantic segmentation, where a model is trained with target domain pseudo-labels. Current advances have mitigated noisy pseudo-labels resulting from the domain gap.…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Dongyu Yao , Boheng Li

Current state-of-the-art object detectors can have significant performance drop when deployed in the wild due to domain gaps with training data. Unsupervised Domain Adaptation (UDA) is a promising approach to adapt models for new…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Fuxun Yu , Di Wang , Yinpeng Chen , Nikolaos Karianakis , Tong Shen , Pei Yu , Dimitrios Lymberopoulos , Sidi Lu , Weisong Shi , Xiang Chen

Pseudo-labelling is a popular technique in unsuper-vised domain adaptation for semantic segmentation. However, pseudo labels are noisy and inevitably have confirmation bias due to the discrepancy between source and target domains and…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Wanyu Xu , Zengmao Wang , Wei Bian

Vision-language models (VLMs) like CLIP exhibit strong zero-shot capabilities but often fail to generalize under distribution shifts. Test-time adaptation (TTA) allows models to update at inference time without labeled data, typically via…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Marc Lafon , Gustavo Adolfo Vargas Hakim , Clément Rambour , Christian Desrosier , Nicolas Thome

State-of-the-art computer vision models are mostly trained with supervised learning using human-labeled images, which limits their scalability due to the expensive annotation cost. While self-supervised representation learning has achieved…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Junnan Li , Silvio Savarese , Steven C. H. Hoi

Source-Free Domain Adaptation (SFDA) tackles the problem of adapting a pre-trained source model to an unlabeled target domain without accessing any source data, which is quite suitable for the field of data security. Although recent…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Shanshan Wang , Ziying Feng , Xiaozheng Shen , Xun Yang , Pichao Wang , Zhenwei He , Xingyi Zhang

Current unsupervised domain adaptation (UDA) methods for semantic segmentation typically assume identical class labels between the source and target domains. This assumption ignores the label-level domain gap, which is common in real-world…

计算机视觉与模式识别 · 计算机科学 2025-01-29 Han Sun , Rui Gong , Ismail Nejjar , Olga Fink

Large vision-language representation learning models like CLIP have demonstrated impressive performance for zero-shot transfer to downstream tasks while largely benefiting from inter-modal (image-text) alignment via contrastive objectives.…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Muhammad Waleed Gondal , Jochen Gast , Inigo Alonso Ruiz , Richard Droste , Tommaso Macri , Suren Kumar , Luitpold Staudigl

Recent unsupervised domain adaptation (UDA) methods have shown great success in addressing classical domain shifts (e.g., synthetic-to-real), but they still suffer under complex shifts (e.g. geographical shift), where both the background…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Mattia Litrico , Mario Valerio Giuffrida , Sebastiano Battiato , Devis Tuia

We describe an unsupervised domain adaptation method for image content shift caused by viewpoint changes for a semantic segmentation task. Most existing methods perform domain alignment in a shared space and assume that the mapping from the…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Yanchao Yang , Hanxiang Ren , He Wang , Bokui Shen , Qingnan Fan , Youyi Zheng , C. Karen Liu , Leonidas Guibas

Vision language models (VLMs) like CLIP show stellar zero-shot capability on classification benchmarks. However, selecting the VLM with the highest performance on the unlabeled downstream task is non-trivial. Existing VLM selection methods…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Yuhe Ding , Bo Jiang , Aihua Zheng , Qin Xu , Jian Liang

Fine-tuning vision-language models (VLMs) with abundant unlabeled data recently has attracted increasing attention. Existing methods that resort to the pseudolabeling strategy would suffer from heavily incorrect hard pseudolabels when VLMs…

机器学习 · 计算机科学 2024-06-18 Jiahan Zhang , Qi Wei , Feng Liu , Lei Feng

Contrastive Language-Image Pretraining (CLIP) achieves strong generalization in vision-language tasks by aligning images and texts in a shared embedding space. However, recent findings show that CLIP-like models still underutilize…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Weiheng Zhao , Zilong Huang , Jiashi Feng , Xinggang Wang

Despite remarkable advancements in supervised pansharpening neural networks, these methods face domain adaptation challenges of resolution due to the intrinsic disparity between simulated reduced-resolution training data and real-world…

图像与视频处理 · 电气工程与系统科学 2025-11-17 Lihua Jian , Jiabo Liu , Shaowu Wu , Lihui Chen

The cross-domain performance of automatic speech recognition (ASR) could be severely hampered due to the mismatch between training and testing distributions. Since the target domain usually lacks labeled data, and domain shifts exist at…

音频与语音处理 · 电气工程与系统科学 2023-08-01 Han Zhu , Gaofeng Cheng , Jindong Wang , Wenxin Hou , Pengyuan Zhang , Yonghong Yan

In the era of foundation models, CLIP has emerged as a powerful tool for aligning text & visual modalities into a common embedding space. However, the alignment objective used to train CLIP often results in subpar visual features for…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Mohamed Fazli Imam , Rufael Fedaku Marew , Jameel Hassan , Mustansar Fiaz , Alham Fikri Aji , Hisham Cholakkal

Data-driven based approaches, in spite of great success in many tasks, have poor generalization when applied to unseen image domains, and require expensive cost of annotation especially for dense pixel prediction tasks such as semantic…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Shuaijun Chen , Xu Jia , Jianzhong He , Yongjie Shi , Jianzhuang Liu

Unsupervised Domain Adaptation (UDA) aims to align the labeled source distribution with the unlabeled target distribution to obtain domain invariant predictive models. However, the application of well-known UDA approaches does not…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Ankit Singh

Most research on domain adaptation has focused on the purely unsupervised setting, where no labeled examples in the target domain are available. However, in many real-world scenarios, a small amount of labeled target data is available and…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Yu Zhang , Gongbo Liang , Nathan Jacobs