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Contrastive Language-Image Pre-training (CLIP) on large-scale image-caption datasets learns representations that can achieve remarkable zero-shot generalization. However, such models require a massive amount of pre-training data. Improving…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Siddharth Joshi , Arnav Jain , Ali Payani , Baharan Mirzasoleiman

Physical adversarial attacks on deep learning systems is concerning due to the ease of deploying such attacks, usually by placing an adversarial patch in a scene to manipulate the outcomes of a deep learning model. Training such patches…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Harrison Bagley , Will Meakin , Simon Lucey , Yee Wei Law , Tat-Jun Chin

Deep learning models are used in safety-critical tasks such as automated driving and face recognition. However, small perturbations in the model input can significantly change the predictions. Adversarial attacks are used to identify small…

密码学与安全 · 计算机科学 2025-12-03 Issa Oe , Keiichiro Yamamura , Hiroki Ishikura , Ryo Hamahira , Katsuki Fujisawa

The few-shot fine-tuning of Latent Diffusion Models (LDMs) has enabled them to grasp new concepts from a limited number of images. However, given the vast amount of personal images accessible online, this capability raises critical concerns…

密码学与安全 · 计算机科学 2024-06-24 Ang Li , Yichuan Mo , Mingjie Li , Yisen Wang

Adversarial attacks on deep-learning models pose a serious threat to their reliability and security. Existing defense mechanisms are narrow addressing a specific type of attack or being vulnerable to sophisticated attacks. We propose a new…

机器学习 · 计算机科学 2023-06-22 Mouna Rabhi , Roberto Di Pietro

An adversarial example is a modified input image designed to cause a Machine Learning (ML) model to make a mistake; these perturbations are often invisible or subtle to human observers and highlight vulnerabilities in a model's ability to…

密码学与安全 · 计算机科学 2024-11-04 Ehsan Ganjidoost , Jeff Orchard

Diffusion Models have emerged as powerful generative models for high-quality image synthesis, with many subsequent image editing techniques based on them. However, the ease of text-based image editing introduces significant risks, such as…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Chun-Yen Shih , Li-Xuan Peng , Jia-Wei Liao , Ernie Chu , Cheng-Fu Chou , Jun-Cheng Chen

Latent diffusion models have recently demonstrated superior capabilities in many downstream image synthesis tasks. However, customization of latent diffusion models using unauthorized data can severely compromise the privacy and…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Sen Peng , Mingyue Wang , Jianfei He , Jijia Yang , Xiaohua Jia

Deep neural networks are vulnerable to so-called adversarial examples: inputs which are intentionally constructed to cause the model to make incorrect predictions or classifications. Adversarial examples are often visually indistinguishable…

机器学习 · 计算机科学 2024-05-28 Jonathan Peck , Bart Goossens

Recent studies revealed that convolutional neural networks do not generalize well to small image transformations, e.g. rotations by a few degrees or translations of a few pixels. To improve the robustness to such transformations, we propose…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Adrian Sandru , Mariana-Iuliana Georgescu , Radu Tudor Ionescu

Discretization based approaches to solving online reinforcement learning problems have been studied extensively in practice on applications ranging from resource allocation to cache management. Two major questions in designing…

机器学习 · 统计学 2024-09-30 Sean R. Sinclair , Siddhartha Banerjee , Christina Lee Yu

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…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Konstantin Schall , Kai Uwe Barthel , Nico Hezel , Klaus Jung

Personalized diffusion models (PDMs) have become prominent for adapting pre-trained text-to-image models to generate images of specific subjects using minimal training data. However, PDMs are susceptible to minor adversarial perturbations,…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Yixin Liu , Ruoxi Chen , Xun Chen , Lichao Sun

Models leveraging both visual and textual data such as Contrastive Language-Image Pre-training (CLIP), are the backbone of many recent advances in artificial intelligence. In this work, we show that despite their versatility, such models…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Matthias Freiberger , Peter Kun , Christian Igel , Anders Sundnes Løvlie , Sebastian Risi

With the rapid growth of image and video data on the web, hashing has been extensively studied for image or video search in recent years. Benefit from recent advances in deep learning, deep hashing methods have achieved promising results…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Qi Li , Zhenan Sun , Ran He , Tieniu Tan

Deep learning models are being integrated into a wide range of high-impact, security-critical systems, from self-driving cars to medical diagnosis. However, recent research has demonstrated that many of these deep learning architectures are…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Scott Freitas , Shang-Tse Chen , Zijie J. Wang , Duen Horng Chau

Contrastive Language-Image Pre-training (CLIP) models have shown significant potential, particularly in zero-shot classification across diverse distribution shifts. Building on existing evaluations of overall classification robustness, this…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Weijie Tu , Weijian Deng , Tom Gedeon

Text-to-image diffusion-based generative models have the stunning ability to generate photo-realistic images and achieve state-of-the-art low FID scores on challenging image generation benchmarks. However, one of the primary failure modes…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Arman Zarei , Keivan Rezaei , Samyadeep Basu , Mehrdad Saberi , Mazda Moayeri , Priyatham Kattakinda , Soheil Feizi

As adversarial attacks against machine learning models have raised increasing concerns, many denoising-based defense approaches have been proposed. In this paper, we summarize and analyze the defense strategies in the form of symmetric…

机器学习 · 计算机科学 2020-12-18 Zhonghan Niu , Zhaoxi Chen , Linyi Li , Yubin Yang , Bo Li , Jinfeng Yi

Adversarial training has been successfully applied to build robust models at a certain cost. While the robustness of a model increases, the standard classification accuracy declines. This phenomenon is suggested to be an inherent trade-off.…

机器学习 · 计算机科学 2019-08-14 Chihuang Liu , Joseph JaJa