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Atmospheric turbulence severely degrades video quality by introducing distortions such as geometric warping, blur, and temporal flickering, posing significant challenges to both visual clarity and temporal consistency. Current…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Zhiming Liu , Nantheera Anantrasirichai

Beamforming is a key technology in millimeter-wave (mmWave) communications that improves signal transmission by optimizing directionality and intensity. However, conventional channel estimation methods, such as pilot signals or beam…

网络与互联网体系结构 · 计算机科学 2025-12-02 Yu Min Park , Yan Kyaw Tun , Eui-Nam Huh , Walid Saad , Choong Seon Hong

Diffusion models have shown remarkable progress in various generative tasks such as image and video generation. This paper studies the problem of leveraging pretrained diffusion models for performing discriminative tasks. Specifically, we…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Yinqi Li , Hong Chang , Ruibing Hou , Shiguang Shan , Xilin Chen

Masked image modeling (MIM) as pre-training is shown to be effective for numerous vision downstream tasks, but how and where MIM works remain unclear. In this paper, we compare MIM with the long-dominant supervised pre-trained models from…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Zhenda Xie , Zigang Geng , Jingcheng Hu , Zheng Zhang , Han Hu , Yue Cao

With abundant, unlabeled real faces, how can we learn robust and transferable facial representations to boost generalization across various face security tasks? We make the first attempt and propose FS-VFM, a scalable self-supervised…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Gaojian Wang , Feng Lin , Tong Wu , Zhisheng Yan , Kui Ren

The Vision Transformer (ViT) achieves remarkable accuracy across visual tasks but remains computationally expensive for edge deployment. This paper presents MicroViTv2, a lightweight Vision Transformer optimized for real-device efficiency.…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Novendra Setyawan , Chi-Chia Sun , Mao-Hsiu Hsu , Wen-Kai Kuo , Jun-Wei Hsieh

Proactive watermarking offers a promising approach for deepfake tamper detection and localization in short-form videos. However, existing methods often decouple audio and visual evidence and assume that watermark signals remain reliable…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Bokang Zeng , Zheng Gao , Xiaoyu Li , Xiaoyan Feng , Jiaojiao Jiang

Vision Foundation Models (VFMs) excel in generalization due to large-scale pretraining, but fine-tuning them for Domain Generalized Semantic Segmentation (DGSS) while maintaining this ability remains challenging. Existing approaches either…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Dong Zhao , Jinlong Li , Shuang Wang , Mengyao Wu , Qi Zang , Nicu Sebe , Zhun Zhong

Remote sensing image interpretation plays a critical role in environmental monitoring, urban planning, and disaster assessment. However, acquiring high-quality labeled data is often costly and time-consuming. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Jiaqi Wang , Xiaoliang Tan , Wenchao Guo , Qingyuan Yang , Kaiqi Zhang

Multi-modal image fusion aims to integrate complementary information from multiple source images to produce high-quality fused images with enriched content. Although existing approaches based on state space model have achieved satisfied…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Yiming Sun , Zifan Ye , Qinghua Hu , Pengfei Zhu

Recent advances in subject-driven image generation using diffusion models have attracted considerable attention for their remarkable capabilities in producing high-quality images. Nevertheless, the potential of Visual Autoregressive (VAR)…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Xin Jiang , Jingwen Chen , Yehao Li , Yingwei Pan , Kezhou Chen , Zechao Li , Ting Yao , Tao Mei

In line with the AI-native 6G vision, explainability and robustness are crucial for building trust and ensuring reliable performance in millimeter-wave (mmWave) systems. Efficient beam alignment is essential for initial access, but deep…

机器学习 · 计算机科学 2025-07-22 Nasir Khan , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil , Sinem Coleri

We present NeWRF, a deep learning framework for predicting wireless channels. Wireless channel prediction is a long-standing problem in the wireless community and is a key technology for improving the coverage of wireless network…

网络与互联网体系结构 · 计算机科学 2024-06-18 Haofan Lu , Christopher Vattheuer , Baharan Mirzasoleiman , Omid Abari

Visual tracking is a fundamental problem in computer vision. Recently, some deep-learning-based tracking algorithms have been achieving record-breaking performances. However, due to the high complexity of deep learning, most deep trackers…

计算机视觉与模式识别 · 计算机科学 2017-01-04 Xinyu Wang , Hanxi Li , Yi Li , Fumin Shen , Fatih Porikli

We present Recurrent Vision Transformers (RVTs), a novel backbone for object detection with event cameras. Event cameras provide visual information with sub-millisecond latency at a high-dynamic range and with strong robustness against…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Mathias Gehrig , Davide Scaramuzza

We propose GRAM-DIFF, a Gram-matrix-guided diffusion framework for semi-blind multiple input multiple output (MIMO) channel estimation. Recent diffusion-based estimators leverage learned generative priors to improve pilot-based channel…

信息论 · 计算机科学 2026-02-18 Xinyuan Wang , Krishna Narayanan

A major source of difficulty when operating with large arrays at mmWave frequencies is to estimate the wideband channel, since the use of hybrid architectures acts as a compression stage for the received signal. Moreover, the channel has to…

信号处理 · 电气工程与系统科学 2019-05-13 Javier Rodriguez-Fernandez , Nuria Gonzalez-Prelcic , Takayuki Shimizu

Eye tracking (ET) plays a critical role in augmented and virtual reality applications. However, rapidly deploying high-accuracy, on-device gaze estimation for new products remains challenging because hardware configurations (e.g., camera…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Cheng Jiang , Jogendra Kundu , David Colmenares , Fengting Yang , Joseph Robinson , Yatong An , Ali Behrooz

This paper proposes a novel neural network architecture, that we call an auto-precoder, and a deep-learning based approach that jointly senses the millimeter wave (mmWave) channel and designs the hybrid precoding matrices with only a few…

信息论 · 计算机科学 2019-05-31 Xiaofeng Li , Ahmed Alkhateeb

Conventional class-guided diffusion models generally succeed in generating images with correct semantic content, but often struggle with texture details. This limitation stems from the usage of class priors, which only provide coarse and…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Xiaoyu Yue , Zidong Wang , Zeyu Lu , Shuyang Sun , Meng Wei , Wanli Ouyang , Lei Bai , Luping Zhou
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