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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

There are a thousand ways to caption an image. Contrastive Language Pretraining (CLIP) on the other hand, works by mapping an image and its caption to a single vector -- limiting how well CLIP-like models can represent the diverse ways to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Samuel Lavoie , Polina Kirichenko , Mark Ibrahim , Mahmoud Assran , Andrew Gordon Wilson , Aaron Courville , Nicolas Ballas

Text-based Person Search (TBPS) aims to retrieve the person images using natural language descriptions. Recently, Contrastive Language Image Pretraining (CLIP), a universal large cross-modal vision-language pre-training model, has…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Min Cao , Yang Bai , Ziyin Zeng , Mang Ye , Min Zhang

Understanding the memorization and privacy leakage risks in Contrastive Language--Image Pretraining (CLIP) is critical for ensuring the security of multimodal models. Recent studies have demonstrated the feasibility of extracting sensitive…

Cryptography and Security · Computer Science 2026-05-22 Yunhao Chen , Shujie Wang , Xin Wang , Ran He , Xingjun Ma , Yu-Gang Jiang

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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Wenxuan Wang , Quan Sun , Fan Zhang , Yepeng Tang , Jing Liu , Xinlong Wang

Long-tailed multi-label visual recognition poses a significant challenge, as images typically contain multiple labels with highly imbalanced class distributions, leading to biased models that favor head classes while underperforming on tail…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Wei Tang , Zuo-Zheng Wang , Kun Zhang , Tong Wei , Min-Ling Zhang

Given the recent advances in multimodal image pretraining where visual models trained with semantically dense textual supervision tend to have better generalization capabilities than those trained using categorical attributes or through…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Alberto Baldrati , Marco Bertini , Tiberio Uricchio , Alberto Del Bimbo

We present CLIP2Video network to transfer the image-language pre-training model to video-text retrieval in an end-to-end manner. Leading approaches in the domain of video-and-language learning try to distill the spatio-temporal video…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Han Fang , Pengfei Xiong , Luhui Xu , Yu Chen

Multi-domain task-incremental learning requires a model to sequentially acquire knowledge across visually diverse domains without forgetting prior tasks, and without access to task identity at inference. Parameter-efficient methods built on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Sriram Mandalika

Interstitial lung diseases (ILD) present diagnostic challenges due to their varied manifestations and overlapping imaging features. To address this, we propose a machine learning approach that utilizes CLIP, a multimodal (image and text)…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Cara Van Uden , Christian Bluethgen , Maayane Attias , Malgorzata Polacin , Haiwei Henry Guo , Neha Simha , Rishi Raj , Curtis Langlotz

Recently, there have been breakthroughs in computer vision ("CV") models that are more generalizable with the advent of models such as CLIP and ALIGN. In this paper, we analyze CLIP and highlight some of the challenges such models pose.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Sandhini Agarwal , Gretchen Krueger , Jack Clark , Alec Radford , Jong Wook Kim , Miles Brundage

Vision-language models (VLMs), such as CLIP, have demonstrated exceptional generalization capabilities and can quickly adapt to downstream tasks through prompt fine-tuning. Unfortunately, in classification tasks involving non-training…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Song-Lin Lv , Yu-Yang Chen , Zhi Zhou , Yu-Feng Li , Lan-Zhe Guo

Multimodal multilabel classification (MMC) is a challenging task that aims to design a learning algorithm to handle two data sources, the image and text, and learn a comprehensive semantic feature presentation across the modalities. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Yanming Guo

This study introduces a novel approach to online embedding of multi-scale CLIP (Contrastive Language-Image Pre-Training) features into 3D maps. By harnessing CLIP, this methodology surpasses the constraints of conventional…

Robotics · Computer Science 2024-03-28 Shun Taguchi , Hideki Deguchi

Accurate human posture classification in images and videos is crucial for automated applications across various fields, including work safety, physical rehabilitation, sports training, or daily assisted living. Recently, multimodal learning…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Andrzej D. Dobrzycki , Ana M. Bernardos , Luca Bergesio , Andrzej Pomirski , Daniel Sáez-Trigueros

Contrastive Language-Image Pretraining (CLIP) models excel at understanding image-text relationships but struggle with adapting to new data without forgetting prior knowledge. To address this, models are typically fine-tuned using both new…

Machine Learning · Computer Science 2026-05-06 Ryan King , Gang Li , Bobak Mortazavi , Tianbao Yang

Vision-language pretraining models have achieved great success in supporting multimedia applications by understanding the alignments between images and text. While existing vision-language pretraining models primarily focus on understanding…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Fuxiao Liu , Hao Tan , Chris Tensmeyer

Vision-Language Pre-training (VLP) aims to learn multi-modal representations from image-text pairs and serves for downstream vision-language tasks in a fine-tuning fashion. The dominant VLP models adopt a CNN-Transformer architecture, which…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Hongwei Xue , Yupan Huang , Bei Liu , Houwen Peng , Jianlong Fu , Houqiang Li , Jiebo Luo

Various state-of-the-art self-supervised visual representation learning approaches take advantage of data from multiple sensors by aligning the feature representations across views and/or modalities. In this work, we investigate how…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Thomas M. Hehn , Julian F. P. Kooij , Dariu M. Gavrila

Human motion generation is essential for fields such as animation, robotics, and virtual reality, requiring models that effectively capture motion dynamics from text descriptions. Existing approaches often rely on Contrastive Language-Image…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Gabriel Maldonado , Armin Danesh Pazho , Ghazal Alinezhad Noghre , Vinit Katariya , Hamed Tabkhi