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Related papers: Watermarking Pre-trained Encoders in Contrastive L…

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Pre-trained encoders are general-purpose feature extractors that can be used for many downstream tasks. Recent progress in self-supervised learning can pre-train highly effective encoders using a large volume of unlabeled data, leading to…

Cryptography and Security · Computer Science 2022-07-21 Yupei Liu , Jinyuan Jia , Hongbin Liu , Neil Zhenqiang Gong

Watermarking is a critical tool for model ownership verification. However, existing watermarking techniques are often designed for specific data modalities and downstream tasks, without considering the inherent architectural properties of…

Cryptography and Security · Computer Science 2025-04-29 Hengyuan Xu , Liyao Xiang , Borui Yang , Xingjun Ma , Siheng Chen , Baochun Li

Watermarking the outputs of generative models has emerged as a promising approach for tracking their provenance. Despite significant interest in autoregressive image generation models and their potential for misuse, no prior work has…

Machine Learning · Computer Science 2025-10-24 Nikola Jovanović , Ismail Labiad , Tomáš Souček , Martin Vechev , Pierre Fernandez

Contrastive learning is a popular form of self-supervised learning that encourages augmentations (views) of the same input to have more similar representations compared to augmentations of different inputs. Recent attempts to theoretically…

Machine Learning · Computer Science 2022-03-01 Nikunj Saunshi , Jordan Ash , Surbhi Goel , Dipendra Misra , Cyril Zhang , Sanjeev Arora , Sham Kakade , Akshay Krishnamurthy

Although deep neural networks have made tremendous progress in the area of multimedia representation, training neural models requires a large amount of data and time. It is well-known that utilizing trained models as initial weights often…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Yuki Nagai , Yusuke Uchida , Shigeyuki Sakazawa , Shin'ichi Satoh

Classifiers in supervised learning have various security and privacy issues, e.g., 1) data poisoning attacks, backdoor attacks, and adversarial examples on the security side as well as 2) inference attacks and the right to be forgotten for…

Cryptography and Security · Computer Science 2022-12-08 Hongbin Liu , Wenjie Qu , Jinyuan Jia , Neil Zhenqiang Gong

Dense retrieval has shown promising results in many information retrieval (IR) related tasks, whose foundation is high-quality text representation learning for effective search. Some recent studies have shown that autoencoder-based language…

Information Retrieval · Computer Science 2022-04-25 Xinyu Ma , Jiafeng Guo , Ruqing Zhang , Yixing Fan , Xueqi Cheng

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Rishab Balasubramanian , Kunal Rathore

We study how to watermark LLM outputs, i.e. embedding algorithmically detectable signals into LLM-generated text to track misuse. Unlike the current mainstream methods that work with a fixed LLM, we expand the watermark design space by…

Machine Learning · Computer Science 2024-03-19 Xiaojun Xu , Yuanshun Yao , Yang Liu

With the development of deep learning, high-value and high-cost models have become valuable assets, and related intellectual property protection technologies have become a hot topic. However, existing model watermarking work in black-box…

Cryptography and Security · Computer Science 2024-04-16 Na Zhao , Kejiang Chen , Weiming Zhang , Nenghai Yu

Contrastive learning has emerged as a competitive pretraining method for object detection. Despite this progress, there has been minimal investigation into the robustness of contrastively pretrained detectors when faced with domain shifts.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Kyle Buettner , Adriana Kovashka

Digital contents have grown dramatically in recent years, leading to increased attention to copyright. Image watermarking has been considered one of the most popular methods for copyright protection. With the recent advancements in applying…

Multimedia · Computer Science 2021-05-25 Maedeh Jamali , Nader Karim , Pejman Khadivi , Shahram Shirani , Shadrokh Samavi

To mitigate the potential harms of Large Language Models (LLMs)generated text, researchers have proposed watermarking, a process of embedding detectable signals within text. With watermarking, we can always accurately detect LLM-generated…

Computation and Language · Computer Science 2025-11-19 William Guo , Adaku Uchendu , Ana Smith

The major paradigm of applying a pre-trained language model to downstream tasks is to fine-tune it on labeled task data, which often suffers instability and low performance when the labeled examples are scarce.~One way to alleviate this…

Computation and Language · Computer Science 2021-06-07 Ruikun Luo , Guanhuan Huang , Xiaojun Quan

With the rise of powerful foundation models, a pre-training-fine-tuning paradigm becomes increasingly popular these days: A foundation model is pre-trained using a huge amount of data from various sources, and then the downstream users only…

Machine Learning · Computer Science 2025-04-16 Meiqi Liu , Zhuoqun Huang , Yue Xing

Cross entropy loss has served as the main objective function for classification-based tasks. Widely deployed for learning neural network classifiers, it shows both effectiveness and a probabilistic interpretation. Recently, after the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Rahaf Aljundi , Yash Patel , Milan Sulc , Daniel Olmeda , Nikolay Chumerin

Deep learning-based image watermarking, while robust against conventional distortions, remains vulnerable to advanced adversarial and regeneration attacks. Conventional countermeasures, which jointly optimize the encoder and decoder via a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Jiahui Chen , Zehang Deng , Zeyu Zhang , Chaoyang Li , Lianchen Jia , Lifeng Sun

Deep convolutional neural networks have made outstanding contributions in many fields such as computer vision in the past few years and many researchers published well-trained network for downloading. But recent studies have shown serious…

Cryptography and Security · Computer Science 2021-04-12 Xiquan Guan , Huamin Feng , Weiming Zhang , Hang Zhou , Jie Zhang , Nenghai Yu

In practical application, the widespread deployment of diffusion models often necessitates substantial investment in training. As diffusion models find increasingly diverse applications, concerns about potential misuse highlight the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Jijia Yang , Sen Peng , Xiaohua Jia

Pretraining on Graph Neural Networks (GNNs) has shown great power in facilitating various downstream tasks. As pretraining generally requires huge amount of data and computational resources, the pretrained GNNs are high-value Intellectual…

Machine Learning · Computer Science 2025-06-03 Enyan Dai , Minhua Lin , Suhang Wang