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The integration of visual and textual data in Vision-Language Pre-training (VLP) models is crucial for enhancing vision-language understanding. However, the adversarial robustness of these models, especially in the alignment of image-text…

Multimedia · Computer Science 2025-06-03 Youze Wang , Wenbo Hu , Yinpeng Dong , Hanwang Zhang , Hang Su , Richang Hong

We present a simple yet effective end-to-end Video-language Pre-training (VidLP) framework, Masked Contrastive Video-language Pretraining (MAC), for video-text retrieval tasks. Our MAC aims to reduce video representation's spatial and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Fangxun Shu , Biaolong Chen , Yue Liao , Shuwen Xiao , Wenyu Sun , Xiaobo Li , Yousong Zhu , Jinqiao Wang , Si Liu

The evolution of Large Vision-Language Models (LVLMs) has progressed from single to multi-image reasoning. Despite this advancement, our findings indicate that LVLMs struggle to robustly utilize information across multiple images, with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Xinyu Tian , Shu Zou , Zhaoyuan Yang , Jing Zhang

Recent Deepfake Video Detection (DFD) studies have demonstrated that pre-trained Vision-Language Models (VLMs) such as CLIP exhibit strong generalization capabilities in detecting artifacts across different identities. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Jiawen Zhu , Yunqi Miao , Xueyi Zhang , Jiankang Deng , Guansong Pang

Recent advances in vision-language-action (VLA) models have motivated the extension of their capabilities to embodied settings, where reinforcement learning (RL) offers a principled way to optimize task success through interaction. However,…

Large-scale pretrained vision-language models like CLIP have demonstrated remarkable zero-shot image classification capabilities across diverse domains. To enhance CLIP's performance while preserving the zero-shot paradigm, various…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Xuefeng Hu , Ke Zhang , Min Sun , Albert Chen , Cheng-Hao Kuo , Ram Nevatia

Compute-in-memory accelerators built upon non-volatile memory devices excel in energy efficiency and latency when performing deep neural network (DNN) inference, thanks to their in-situ data processing capability. However, the stochastic…

Machine Learning · Computer Science 2025-08-19 Yifan Qin , Zheyu Yan , Dailin Gan , Jun Xia , Zixuan Pan , Wujie Wen , Xiaobo Sharon Hu , Yiyu Shi

Recently, vision transformer based multimodal learning methods have been proposed to improve the robustness of face anti-spoofing (FAS) systems. However, multimodal face data collected from the real world is often imperfect due to missing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Zitong Yu , Rizhao Cai , Yawen Cui , Ajian Liu , Changsheng Chen

Vision-language models (VLMs) excel in zero-shot recognition but their performance varies greatly across different visual concepts. For example, although CLIP achieves impressive accuracy on ImageNet (60-80%), its performance drops below…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Shubham Parashar , Zhiqiu Lin , Tian Liu , Xiangjue Dong , Yanan Li , Deva Ramanan , James Caverlee , Shu Kong

The VMAF (video multi-method assessment fusion) metric for image and video coding recently gained more and more popularity as it is supposed to have a high correlation with human perception. This makes training and particularly fine-tuning…

Image and Video Processing · Electrical Eng. & Systems 2026-03-05 Florian Fingscheidt , Alexander Karabutov , Panqi Jia , Elena Alshina , Jörn Ostermann

Vision-language models (VLMs), such as CLIP, have shown strong generalization under zero-shot settings, yet adapting them to downstream tasks with limited supervision remains a significant challenge. Existing multi-modal prompt learning…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Silin Cheng , Kai Han

Large pre-trained Vision Language Models (VLMs) demonstrate excellent generalization capabilities but remain highly susceptible to adversarial examples, posing potential security risks. To improve the robustness of VLMs against adversarial…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Shiji Zhao , Qihui Zhu , Shukun Xiong , Shouwei Ruan , Maoxun Yuan , Jialing Tao , Jiexi Liu , Ranjie Duan , Jie Zhang , Jie Zhang , Xingxing Wei

We present a Multi-Modal Recipe for Advancing Adaptation-based Pre-training towards effective and efficient zero-shot video-text retrieval, dubbed M2-RAAP. Upon popular image-text models like CLIP, most current adaptation-based video-text…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Xingning Dong , Zipeng Feng , Chunluan Zhou , Xuzheng Yu , Ming Yang , Qingpei Guo

Vision-language models (VLMs), such as CLIP, have demonstrated strong performance across a range of downstream tasks. However, CLIP is still limited in negation understanding: the ability to recognize the absence or exclusion of a concept.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Yuliang Cai , Jesse Thomason , Mohammad Rostami

Recently, prompt-based fine-tuning has garnered considerable interest as a core technique for few-shot text classification task. This approach reformulates the fine-tuning objective to align with the Masked Language Modeling (MLM)…

Computation and Language · Computer Science 2023-12-11 Yookyung Kho , Jaehee Kim , Pilsung Kang

Image classification is one of the most fundamental capabilities of machine vision intelligence. In this work, we revisit the image classification task using visually-grounded language models (VLMs) such as GPT-4V and LLaVA. We find that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Yuhui Zhang , Alyssa Unell , Xiaohan Wang , Dhruba Ghosh , Yuchang Su , Ludwig Schmidt , Serena Yeung-Levy

The robustness of Vision-Language Models (VLMs) such as CLIP is critical for their deployment in safety-critical applications like autonomous driving, healthcare diagnostics, and security systems, where accurate interpretation of visual and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yuhan Liang , Yijun Li , Yumeng Niu , Qianhe Shen , Hangyu Liu

Vision-language-action (VLA) models provide a promising paradigm for scalable robotic manipulation, yet their reliance on success-only behavioral cloning leaves them brittle; lacking corrective training signals, minor execution errors…

The backpropagation algorithm, despite its widespread use in neural network learning, may not accurately emulate the human cortex's learning process. Alternative strategies, such as the Forward-Forward Algorithm (FFA), offer a closer match…

Neural and Evolutionary Computing · Computer Science 2023-05-23 Desmond Y. M. Tang

Recently, pre-trained vision-language models have been increasingly used to tackle the challenging zero-shot segmentation task. Typical solutions follow the paradigm of first generating mask proposals and then adopting CLIP to classify…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Siyu Jiao , Yunchao Wei , Yaowei Wang , Yao Zhao , Humphrey Shi