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Vision-Language Models like CLIP create aligned embedding spaces for text and images, making it possible for anyone to build a visual classifier by simply naming the classes they want to distinguish. However, a model that works well in one…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Kevin Robbins , Xiaotong Liu , Yu Wu , Le Sun , Grady McPeak , Abby Stylianou , Robert Pless

State-of-the-art empirical work has shown that visual representations learned by deep neural networks are robust in nature and capable of performing classification tasks on diverse datasets. For example, CLIP demonstrated zero-shot transfer…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Chanda Grover , Indra Deep Mastan , Debayan Gupta

Transfer learning enables the sharing of common knowledge among models for a variety of downstream tasks, but traditional methods suffer in limited training data settings and produce narrow models incapable of effectively generalizing under…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Kevin Vogt-Lowell , Noah Lee , Theodoros Tsiligkaridis , Marc Vaillant

Few-shot segmentation remains challenging due to the limitations of its labeling information for unseen classes. Most previous approaches rely on extracting high-level feature maps from the frozen visual encoder to compute the pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Jin Wang , Bingfeng Zhang , Jian Pang , Honglong Chen , Weifeng Liu

Fine-grained image-text alignment is a pivotal challenge in multimodal learning, underpinning key applications such as visual question answering, image captioning, and vision-language navigation. Unlike global alignment, fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Jiale Liu , Haoming Zhou , Yishu Liu , Bingzhi Chen , Yuncheng Jiang

Due to the lack of paired samples and the low signal-to-noise ratio of functional MRI (fMRI) signals, reconstructing perceived natural images or decoding their semantic contents from fMRI data are challenging tasks. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Yulong Liu , Yongqiang Ma , Wei Zhou , Guibo Zhu , Nanning Zheng

Object localization is a hot issue in computer vision area, which aims to identify and determine the precise location of specific objects from image or video. Most existing object localization methods heavily rely on extensive labeled data,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jingjing Wang , Xinglin Piao , Zongzhi Gao , Bo Li , Yong Zhang , Baocai Yin

Contrastive Language-Image Pre-training (CLIP) models excel in zero-shot classification, yet face challenges in complex multi-object scenarios. This study offers a comprehensive analysis of CLIP's limitations in these contexts using a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Reza Abbasi , Ali Nazari , Aminreza Sefid , Mohammadali Banayeeanzade , Mohammad Hossein Rohban , Mahdieh Soleymani Baghshah

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Konstantin Schall , Kai Uwe Barthel , Nico Hezel , Klaus Jung

In this paper, we demonstrate that CLIP can also be adapted to downstream tasks where its vision-language alignment is suboptimally learned during pre-training on web-crawled data, all without requiring fine-tuning. We explore the case of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Sohee Kim , Jisu Kang , Dunam Kim , Seokju Lee

Large-scale vision-language pre-trained (VLP) models (e.g., CLIP) are renowned for their versatility, as they can be applied to diverse applications in a zero-shot setup. However, when these models are used in specific domains, their…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Anh-Quan Cao , Maximilian Jaritz , Matthieu Guillaumin , Raoul de Charette , Loris Bazzani

CLIP (Contrastive Language-Image Pre-Training) has shown remarkable zero-shot transfer capabilities in cross-modal correlation tasks such as visual classification and image retrieval. However, its performance in cross-modal generation tasks…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyang Wang , Yi Zhang , Ming Yan , Ji Zhang , Jitao Sang

Contrastively pretrained audio-language models (e.g., CLAP) excel at clip-level understanding but struggle with frame-level tasks. Existing extensions fail to exploit the varying granularity of real-world audio-text data, where massive…

Sound · Computer Science 2026-04-02 Xiquan Li , Xuenan Xu , Ziyang Ma , Wenxi Chen , Haolin He , Qiuqiang Kong , Xie Chen

Cross-Domain Few-Shot Learning (CDFSL) adapts models trained with large-scale general data (source domain) to downstream target domains with only scarce training data, where the research on vision-language models (e.g., CLIP) is still in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yaze Zhao , Yixiong Zou , Yuhua Li , Ruixuan Li

Improving the safety of vision-language models like CLIP via fine-tuning often comes at a steep price, causing significant drops in their generalization performance. We find this trade-off stems from rigid alignment strategies that force…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Adeel Yousaf , Joseph Fioresi , James Beetham , Amrit Singh Bedi , Mubarak Shah

Language-vision models like CLIP have made significant strides in vision tasks, such as zero-shot image classification (ZSIC). However, generating specific and expressive visual descriptions remains challenging; descriptions produced by…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Michael Ogezi , Bradley Hauer , Grzegorz Kondrak

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.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Muhammad Waleed Gondal , Jochen Gast , Inigo Alonso Ruiz , Richard Droste , Tommaso Macri , Suren Kumar , Luitpold Staudigl

Large Vision-Language Models (LVLMs) have made significant strides in multimodal comprehension, thanks to extensive pre-training and fine-tuning on large-scale visual datasets. However, despite their robust textual safety mechanisms, they…

Computation and Language · Computer Science 2025-03-04 Wei Zhao , Zhe Li , Yige Li , Jun Sun

With a focus on abnormal events contained within untrimmed videos, there is increasing interest among researchers in video anomaly detection. Among different video anomaly detection scenarios, weakly-supervised video anomaly detection poses…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Yidan Fan , Yongxin Yu , Wenhuan Lu , Yahong Han

Contrastive Language-Image Pre-training (CLIP) delivers strong cross modal generalization by aligning images and texts in a shared embedding space, yet it persistently fails at compositional reasoning over objects, attributes, and relations…

Machine Learning · Computer Science 2025-10-31 Ziliang Chen , Tianang Xiao , Jusheng Zhang , Yongsen Zheng , Xipeng Chen