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Multimodal large language models (MLLMs) remain vulnerable to transfer-based targeted attacks, where perturbations optimized on open-source surrogate encoders can generalize to closed-source MLLMs. A key challenge for improving adversarial…

密码学与安全 · 计算机科学 2026-05-22 Leitao Yuan , Qinghua Mao , Daizong Liu , Kun Wang , Wenjie Wang , Yan Teng , Jing Shao , Dongrui Liu

In this paper, we propose a dual-hop RF (Radio-Frequency)/FSO (Free-Space Optical) system with multiple relays employing the Decode-and-Forward (DF) and Amplify-and-Forward (AF) with a Fixed Gain (FG) relaying scheme. The RF channels are…

信号处理 · 电气工程与系统科学 2019-02-11 Elyes Balti , Mohsen Guizani , Bechir Hamdaoui , Bassem Khalfi

In this paper, we propose a GPU-efficient subgraph isomorphism algorithm using the Gunrock graph analytic framework, GSM (Gunrock Subgraph Matching), to compute graph matching on GPUs. In contrast to previous approaches on the CPU which are…

分布式、并行与集群计算 · 计算机科学 2020-03-12 Leyuan Wang , John D. Owens

Wireless localization of permanent magnets enables occlusion-free guidance for medical interventions, yet its practical accuracy is fundamentally limited by two coupled challenges: the poor observability of conventional planar sensor arrays…

机器人学 · 计算机科学 2026-04-27 Wenxuan Xie , Yuelin Zhang , Qingpeng Ding , Jianghua Chen , Jiewen Tan , Jiwei Shan , Shing Shin Cheng

Generalized spatial modulation-aided affine frequency division multiplexing (GSM-AFDM) is conceived for reliable multiple-input multiple-output (MIMO) communications over doubly selective channels. \textcolor{black}{We commence by proposing…

信号处理 · 电气工程与系统科学 2025-09-18 Zeping Sui , Zilong Liu , Leila Musavian , Lie-Liang Yang , Lajos Hanzo

Multimodal remote sensing data, acquired from diverse sensors, offer a comprehensive and integrated perspective of the Earth's surface. Leveraging multimodal fusion techniques, semantic segmentation enables detailed and accurate analysis of…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Xianping Ma , Xiaokang Zhang , Man-On Pun , Bo Huang

Land cover maps generated from semantic segmentation of high-resolution remotely sensed images have drawn mucon in the photogrammetry and remote sensing research community. Currently, massive fine-resolution remotely sensed (FRRS) images…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Naftaly Wambugu , Ruisheng Wang , Bo Guo , Tianshu Yu , Sheng Xu , Mohammed Elhassan

Semantic segmentation of high-resolution remote sensing images plays a crucial role in land-use monitoring and urban planning. Recent remarkable progress in deep learning-based methods makes it possible to generate satisfactory segmentation…

图像与视频处理 · 电气工程与系统科学 2025-04-04 Feng Gao , Miao Fu , Jingchao Cao , Junyu Dong , Qian Du

Radio maps (RMs) provide spatially continuous propagation characterizations essential for 6G network planning, but high-fidelity RM construction remains challenging. Rigorous electromagnetic solvers incur prohibitive computational latency,…

系统与控制 · 电气工程与系统科学 2026-03-27 Xiucheng Wang , Zixuan Guo , Nan Cheng

Few-shot Semantic Segmentation (FSS) aims to adapt a pretrained model to new classes with as few as a single labelled training sample per class. Despite the prototype based approaches have achieved substantial success, existing models are…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Song Tang , Shaxu Yan , Xiaozhi Qi , Jianxin Gao , Mao Ye , Jianwei Zhang , Xiatian Zhu

Orthogonal time frequency space (OTFS) modulation is a robust candidate waveform for future wireless systems, particularly in high-mobility scenarios, as it effectively mitigates the impact of rapidly time-varying channels by mapping…

信号处理 · 电气工程与系统科学 2026-01-12 Meiwen Men , Tao Zhou , Kaifeng Bao , Zhiyang Guo , Yongning Qi , Liu Liu , Bo Ai

Generative adversarial networks (GANs) have shown remarkable success in generating realistic images and are increasingly used in medical imaging for image-to-image translation tasks. However, GANs tend to suffer from a frequency bias…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Ivo M. Baltruschat , Felix Kreis , Alexander Hoelscher , Melanie Dohmen , Matthias Lenga

Atrous convolutions are employed as a method to increase the receptive field in semantic segmentation tasks. However, in previous works of semantic segmentation, it was rarely employed in the shallow layers of the model. We revisit the…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Zilu Guo , Liuyang Bian , Xuan Huang , Hu Wei , Jingyu Li , Huasheng Ni

It is commonly believed that high internal resolution combined with expensive operations (e.g. atrous convolutions) are necessary for accurate semantic segmentation, resulting in slow speed and large memory usage. In this paper, we question…

计算机视觉与模式识别 · 计算机科学 2022-06-16 Tianjian Meng , Golnaz Ghiasi , Reza Mahjourian , Quoc V. Le , Mingxing Tan

Purpose: The purpose of this study is to investigate the robustness of a commonly-used convolutional neural network for image segmentation with respect to visually-subtle adversarial perturbations, and suggest new methods to make these…

图像与视频处理 · 电气工程与系统科学 2019-08-05 Zheng Liu , Jinnian Zhang , Varun Jog , Po-Ling Loh , Alan B McMillan

Advances in spatial transcriptomics (ST) technologies enable systematic molecular characterization of tumor microenvironment, tumor gradients and gene regulatory networks. Cancer progression is known to vary along pathological gradients,…

State-of-the-art deep networks are often too large to deploy on mobile devices and embedded systems. Mobile neural architecture search (NAS) methods automate the design of small models but state-of-the-art NAS methods are expensive to run.…

机器学习 · 计算机科学 2020-06-18 Shraman Ray Chaudhuri , Elad Eban , Hanhan Li , Max Moroz , Yair Movshovitz-Attias

With the rapid deployments of 5G and 6G networks, accurate modeling of urban radio propagation has become critical for system design and network planning. However, conventional statistical or empirical models fail to fully capture the…

信号处理 · 电气工程与系统科学 2026-04-23 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Shuaiqi Gao , Xiaoying Zhang , Bo Ai

Accurate segmentation of long and thin tubular structures is required in a wide variety of areas such as biology, medicine, and remote sensing. The complex topology and geometry of such structures often pose significant technical…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Jiaxing Huang , Yanfeng Zhou , Yaoru Luo , Guole Liu , Heng Guo , Ge Yang

Geometric information in the normalized digital surface models (nDSM) is highly correlated with the semantic class of the land cover. Exploiting two modalities (RGB and nDSM (height)) jointly has great potential to improve the segmentation…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Zhitong Xiong , Sining Chen , Yi Wang , Lichao Mou , Xiao Xiang Zhu