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In saliency detection, every pixel needs contextual information to make saliency prediction. Previous models usually incorporate contexts holistically. However, for each pixel, usually only part of its context region is useful and…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Nian Liu , Junwei Han , Ming-Hsuan Yang

The advent of Large Language Models LLMs marks a milestone in Artificial Intelligence, altering how machines comprehend and generate human language. However, LLMs are vulnerable to malicious prompt injection attacks, where crafted inputs…

计算与语言 · 计算机科学 2024-10-29 Sahasra Kokkula , Somanathan R , Nandavardhan R , Aashishkumar , G Divya

Phishing remains a critical cybersecurity threat, especially with the advent of large language models (LLMs) capable of generating highly convincing malicious content. Unlike earlier phishing attempts which are identifiable by grammatical…

密码学与安全 · 计算机科学 2025-10-15 Deeksha Hareesha Kulal , Chidozie Princewill Arannonu , Afsah Anwar , Nidhi Rastogi , Quamar Niyaz

Probing or fine-tuning (large-scale) pre-trained models results in state-of-the-art performance for many NLP tasks and, more recently, even for computer vision tasks when combined with image data. Unfortunately, these approaches also entail…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Patrick Schramowski , Kristian Kersting

Neural networks pre-trained on a self-supervision scheme have become the standard when operating in data rich environments with scarce annotations. As such, fine-tuning a model to a downstream task in a parameter-efficient but effective…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Marc Fischer , Alexander Bartler , Bin Yang

Deep neural networks are known to have security issues. One particular threat is the Trojan attack. It occurs when the attackers stealthily manipulate the model's behavior through Trojaned training samples, which can later be exploited.…

机器学习 · 计算机科学 2021-06-14 Songzhu Zheng , Yikai Zhang , Hubert Wagner , Mayank Goswami , Chao Chen

The rapid advancement in large language models (LLMs) has significantly enhanced their ability to generate coherent and contextually relevant text, raising concerns about the misuse of AI-generated content and making it critical to detect…

计算与语言 · 计算机科学 2025-07-15 Pablo Miralles-González , Javier Huertas-Tato , Alejandro Martín , David Camacho

Semantic segmentation is one of the core tasks in the field of computer vision, and its goal is to accurately classify each pixel in an image. The traditional Unet model achieves efficient feature extraction and fusion through an…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Xuan Li , Quanchao Lu , Yankaiqi Li , Muqing Li , Yijiashun Qi

The pruning objective has recently extended beyond accuracy and sparsity to robustness in language models. Despite this, existing methods struggle to enhance robustness against adversarial attacks when continually increasing model sparsity…

计算与语言 · 计算机科学 2024-01-12 Jianwei Li , Qi Lei , Wei Cheng , Dongkuan Xu

Recent advances in pre-trained language models (PLMs) have demonstrated their capabilities in capturing universal knowledge, making them promising for radar signal processing applications. Nevertheless, directly fine-tuning PLMs on radar…

信号处理 · 电气工程与系统科学 2026-05-01 Qiying Hu , Yaowen Li , Shengyi Zhang , Chuan Huang , Yu Liu , You He

An increasingly common expression of online hate speech is multimodal in nature and comes in the form of memes. Designing systems to automatically detect hateful content is of paramount importance if we are to mitigate its undesirable…

Parameter-efficient fine-tuning (PEFT) enables efficient adaptation of pre-trained language models (PLMs) to specific tasks. By tuning only a minimal set of (extra) parameters, PEFT achieves performance that is comparable to standard…

计算与语言 · 计算机科学 2024-04-01 Lauren Hong , Ting Wang

Recently, pre-trained language models mostly follow the pre-train-then-fine-tuning paradigm and have achieved great performance on various downstream tasks. However, since the pre-training stage is typically task-agnostic and the…

计算与语言 · 计算机科学 2020-10-08 Yuxian Gu , Zhengyan Zhang , Xiaozhi Wang , Zhiyuan Liu , Maosong Sun

Malicious web domains represent a big threat to web users' privacy and security. With so much freely available data on the Internet about web domains' popularity and performance, this study investigated the performance of well-known machine…

密码学与安全 · 计算机科学 2019-02-26 Zhongyi Hu , Raymond Chiong , Ilung Pranata , Willy Susilo , Yukun Bao

Recent advances in Vision-Language Models (VLMs) have achieved state-of-the-art performance on numerous benchmark tasks. However, the use of internet-scale, often proprietary, pretraining corpora raises a critical concern for both…

机器学习 · 计算机科学 2026-02-03 Jaden Park , Mu Cai , Feng Yao , Jingbo Shang , Soochahn Lee , Yong Jae Lee

The increasing use of large language models (LLMs) trained by third parties raises significant security concerns. In particular, malicious actors can introduce backdoors through poisoning attacks to generate undesirable outputs. While such…

密码学与安全 · 计算机科学 2024-07-19 Shuli Jiang , Swanand Ravindra Kadhe , Yi Zhou , Farhan Ahmed , Ling Cai , Nathalie Baracaldo

Large Language Models (LLMs) have demonstrated exceptional performance across a wide range of tasks. To further tailor LLMs to specific domains or applications, post-training techniques such as Supervised Fine-Tuning (SFT), Preference…

计算与语言 · 计算机科学 2025-05-29 Taro Yano , Yoichi Ishibashi , Masafumi Oyamada

A substantial portion of offensive content on social media is directed towards women. Since the approaches for general offensive content detection face a challenge in detecting misogynistic content, it requires solutions tailored to address…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Mohammad Zia Ur Rehman , Sufyaan Zahoor , Areeb Manzoor , Musharaf Maqbool , Nagendra Kumar

Existing self-supervised learning strategies are constrained to either a limited set of objectives or generic downstream tasks that predominantly target uni-modal applications. This has isolated progress for imperative multi-modal…

计算与语言 · 计算机科学 2022-09-30 Shivam Sharma , Mohd Khizir Siddiqui , Md. Shad Akhtar , Tanmoy Chakraborty

Preference learning is a central component for aligning current LLMs, but this process can be vulnerable to data poisoning attacks. To address this concern, we introduce PoisonBench, a benchmark for evaluating large language models'…

密码学与安全 · 计算机科学 2025-06-09 Tingchen Fu , Mrinank Sharma , Philip Torr , Shay B. Cohen , David Krueger , Fazl Barez