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The advent of 3D Gaussian Splatting (3D-GS) techniques and their dynamic scene modeling variants, 4D-GS, offers promising prospects for real-time rendering of dynamic surgical scenarios. However, the prerequisite for modeling dynamic scenes…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Hengyu Liu , Yifan Liu , Chenxin Li , Wuyang Li , Yixuan Yuan

3D Gaussian Splatting (3DGS) has recently redefined the paradigm of 3D reconstruction, striking an unprecedented balance between visual fidelity and computational efficiency. As its adoption proliferates, safeguarding the copyright of…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Yijia Guo , Wenkai Huang , Tong Hu , Gaolei Li , Yang Li , Yuxin Hong , Liwen Hu , Xitong Ling , Jianhua Li , Shengbo Chen , Tiejun Huang , Lei Ma

Physics-driven 4D dynamic simulation from static 3D scenes remains constrained by an overlooked contradiction: reliable motion supervision often relies on online video diffusion or optical-flow pipelines whose computational cost exceeds…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Changshe Zhang , Jie Feng , Siyu Chen , Guanbin Li , Ronghua Shang , Junpeng Zhang

This paper proposes a novel low-complexity three-dimensional (3D) localization algorithm for wireless sensor networks, termed quanternion-domain super multi-dimensional scaling (QD-SMDS). The algorithm is based on a reformulation of the…

信号处理 · 电气工程与系统科学 2026-05-12 Alessio Lukaj , Keigo Masuoka , Takumi Takahashi , Giuseppe Thadeu Freitas de Abreu , Hideki Ochiai

Previous text-to-4D methods have leveraged multiple Score Distillation Sampling (SDS) techniques, combining motion priors from video-based diffusion models (DMs) with geometric priors from multiview DMs to implicitly guide 4D renderings.…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Qiaowei Miao , JinSheng Quan , Kehan Li , Yawei Luo

We investigate low-cost GNSS anti-jamming using beamforming with inexpensive 2-bit phase shifters, constraining each complex array weight to one of four QPSK phase states (real/imaginary = -1 or +1). This severe quantization sharply limits…

信息论 · 计算机科学 2026-05-12 Burak Soner , Ekin Uzun , Can Aksoy

3D Gaussian Splatting (3DGS) has emerged as a novel paradigm for 3D reconstruction from satellite imagery. However, in multi-temporal satellite images, prevalent shadows exhibit significant inconsistencies due to varying illumination…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Feng Luo , Hongbo Pan , Xiang Yang , Baoyu Jiang , Fengqing Liu , Tao Huang

3D Gaussian Splatting (3DGS) based Simultaneous Localization and Mapping (SLAM) systems can largely benefit from 3DGS's state-of-the-art rendering efficiency and accuracy, but have not yet been adopted in resource-constrained edge devices…

硬件体系结构 · 计算机科学 2025-10-10 Leshu Li , Jiayin Qin , Jie Peng , Zishen Wan , Huaizhi Qu , Ye Han , Pingqing Zheng , Hongsen Zhang , Yu Cao , Tianlong Chen , Yang Katie Zhao

In this paper, a speech enhancement method based on noise compensation performed on short time magnitude as well phase spectra is presented. Unlike the conventional geometric approach (GA) to spectral subtraction (SS), here the noise…

音频与语音处理 · 电气工程与系统科学 2018-03-09 Md Tauhidul Islam , Udoy Saha , K. T. Shahid , Ahmed Bin Hussain , Celia Shahnaz

3D Gaussian Splatting SLAM has emerged as a widely used technique for high-fidelity mapping in spatial intelligence. However, existing methods often rely on a single representation scheme, which limits their performance in large-scale…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Wenkai Zhu , Xu Li , Qimin Xu , Benwu Wang , Kun Wei , Yiming Peng , Zihang Wang

We propose a method to enhance 3D Gaussian Splatting (3DGS)~\cite{Kerbl2023}, addressing challenges in initialization, optimization, and density control. Gaussian Splatting is an alternative for rendering realistic images while supporting…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Xingjun Wang , Lianlei Shan

Large-scale 3D reconstruction is critical in the field of robotics, and the potential of 3D Gaussian Splatting (3DGS) for achieving accurate object-level reconstruction has been demonstrated. However, ensuring geometric accuracy in outdoor…

机器人学 · 计算机科学 2024-09-20 Changjian Jiang , Ruilan Gao , Kele Shao , Yue Wang , Rong Xiong , Yu Zhang

The majority of multichannel speech enhancement algorithms are two-step procedures that first apply a linear spatial filter, a so-called beamformer, and combine it with a single-channel approach for postprocessing. However, the serial…

音频与语音处理 · 电气工程与系统科学 2021-06-16 Kristina Tesch , Timo Gerkmann

Integrated Sensing and Communication (ISAC) is a promising technology in 6G systems. The existing 3D Geometry-Based Stochastic Model (GBSM), as standardized for 5G systems, addresses solely communication channels and lacks consideration of…

信号处理 · 电气工程与系统科学 2023-10-26 Yameng Liu , Jianhua Zhang , Yuxiang Zhang , Huiwen Gong , Tao Jiang , Guangyi Liu

The GN-model of fiber non-linearity has had quite substantial success in modern optical telecommunications networks as a design and management tool. A version of it, capable of handling arbitrary WDM combs and link structures in closed…

信号处理 · 电气工程与系统科学 2018-11-22 Pierluigi Poggiolini

We present Rad-GS, a 4D radar-camera SLAM system designed for kilometer-scale outdoor environments, utilizing 3D Gaussian as a differentiable spatial representation. Rad-GS combines the advantages of raw radar point cloud with Doppler…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Renxiang Xiao , Wei Liu , Yuanfan Zhang , Yushuai Chen , Jinming Chen , Zilu Wang , Liang Hu

Reconstructing high-quality 3D scenes from low-resolution multi-view images remains challenging for 3D Gaussian Splatting (3DGS), because insufficient high-frequency observations often lead to blurred textures, weak boundaries, and…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Jiaxiang Li , Zongtan Zhou , Zhen Tan , Yadong Liu , Dewen Hu

3D Gaussian Splatting (3DGS) enables photorealistic rendering but suffers from artefacts due to sparse Structure-from-Motion (SfM) initialisation. To address this limitation, we propose GP-GS, a Gaussian Process (GP) based densification…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Zhihao Guo , Jingxuan Su , Chenghao Qian , Shenglin Wang , Jinlong Fan , Jing Zhang , Wei Zhou , Hadi Amirpour , Yunlong Zhao , Liangxiu Han , Peng Wang

Photo-realistic image rendering from 3D scene reconstruction has advanced significantly with neural rendering techniques. Among these, 3D Gaussian Splatting (3D-GS) outperforms Neural Radiance Fields (NeRFs) in quality and speed but…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Haolin Li , Jinyang Liu , Mario Sznaier , Octavia Camps

We propose multi-dimensional short blocklength probabilistic shaping to increase the nonlinear tolerance gain in digital subcarrier multiplexing transmission systems and demonstrate an improvement in performance compared to lower…

信息论 · 计算机科学 2021-05-12 Abdelkerim Amari , Andre Richter