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Ray tracing (RT) is instrumental in 6G research in order to generate spatially-consistent and environment-specific channel impulse responses (CIRs). While acquiring accurate scene geometries is now relatively straightforward, determining…

The technology of Reconfigurable Intelligent Surfaces (RISs) is lately being considered as a boosting component for various indoor wireless applications, enabling wave propagation control and coverage extension. However, the incorporation…

信息论 · 计算机科学 2025-01-23 Fabio Cardoso , Sérgio Matos , Luís M. Pessoa , George C. Alexandropoulos

Diffusion magnetic resonance imaging (dMRI) is a crucial non-invasive technique for exploring the microstructure of the living human brain. Traditional hand-crafted and model-based tissue microstructure reconstruction methods often require…

图像与视频处理 · 电气工程与系统科学 2025-02-26 Xinrui Ma , Jian Cheng , Wenxin Fan , Ruoyou Wu , Yongquan Ye , Shanshan Wang

Room impulse responses are a core resource for dereverberation, robust speech recognition, source localization, and room acoustics estimation. We present RIR-Mega, a large collection of simulated RIRs described by a compact, machine…

音频与语音处理 · 电气工程与系统科学 2025-10-29 Mandip Goswami

3D room layout estimation by a single panorama using deep neural networks has made great progress. However, previous approaches can not obtain efficient geometry awareness of room layout with the only latitude of boundaries or…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Zhigang Jiang , Zhongzheng Xiang , Jinhua Xu , Ming Zhao

This paper addresses the high demand in advanced intelligent robot navigation for a more holistic understanding of spatial environments, by introducing a novel system that harnesses the capabilities of Large Language Models (LLMs) to…

机器人学 · 计算机科学 2025-03-20 Yao Cheng , Zhe Han , Fengyang Jiang , Huaizhen Wang , Fengyu Zhou , Qingshan Yin , Lei Wei

Virtual tour among sparse 360$^\circ$ images is widely used while hindering smooth and immersive roaming experiences. The emergence of Neural Radiance Field (NeRF) has showcased significant progress in synthesizing novel views, unlocking…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Huajian Huang , Yingshu Chen , Tianjia Zhang , Sai-Kit Yeung

As communication networks evolve towards greater complexity (e.g., 6G and beyond), a deep understanding of the wireless environment becomes increasingly crucial. When explicit knowledge of the environment is unavailable, geometry-aware…

系统与控制 · 电气工程与系统科学 2025-10-27 Wangqian Chen , Junting Chen , Shuguang Cui

Radio frequency (RF)-based techniques are widely adopted for indoor localization despite the challenges in extracting sufficient information from measurements. Soft range information (SRI) offers a promising alternative for highly accurate…

机器学习 · 计算机科学 2023-05-24 Yuxiao Li , Santiago Mazuelas , Yuan Shen

Although recent video-to-audio (V2A) models excelled at synthesizing semantically plausible sounds from visual inputs, they do not explicitly model room-acoustic effects such as reverberation or room impulse responses (RIRs), and thus offer…

声音 · 计算机科学 2026-05-04 Akira Takahashi , Ryosuke Sawata , Shusuke Takahashi , Yuki Mitsufuji

In this paper, we introduce a novel method called FRI-Net for 2D floorplan reconstruction from 3D point cloud. Existing methods typically rely on corner regression or box regression, which lack consideration for the global shapes of rooms.…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Honghao Xu , Juzhan Xu , Zeyu Huang , Pengfei Xu , Hui Huang , Ruizhen Hu

We address the problem of estimating room impulse responses (RIRs) in noisy, uncontrolled environments where non-stationary sounds such as speech or footsteps corrupt conventional deconvolution. We propose AnyRIR, a non-intrusive method…

音频与语音处理 · 电气工程与系统科学 2026-01-21 Kyung Yun Lee , Nils Meyer-Kahlen , Karolina Prawda , Vesa Välimäki , Sebastian J. Schlecht

We present a method for creating 3D indoor scenes with a generative model learned from a collection of semantic-segmented depth images captured from different unknown scenes. Given a room with a specified size, our method automatically…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Ming-Jia Yang , Yu-Xiao Guo , Bin Zhou , Xin Tong

Delineating the associations between images and a vector of covariates is of central interest in medical imaging studies. To tackle this problem of image response regression, we propose a novel nonparametric approach in the framework of…

机器学习 · 统计学 2022-03-04 Daiwei Zhang , Lexin Li , Chandra Sripada , Jian Kang

This paper presents an algorithm for indoor layout estimation and reconstruction through the fusion of a sequence of captured images and LiDAR data sets. In the proposed system, a movable platform collects both intensity images and 2D LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Jieyu Li , Robert L Stevenson

This paper presents a novel indoor layout estimation system based on the fusion of 2D LiDAR and intensity camera data. A ground robot explores an indoor space with a single floor and vertical walls, and collects a sequence of intensity…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Jieyu Li , Robert Stevenson

Psychoacoustic experiments have shown that directional properties of the direct sound, salient reflections, and the late reverberation of an acoustic room response can have a distinct influence on the auditory perception of a given room.…

音频与语音处理 · 电气工程与系统科学 2024-06-28 Thomas Deppisch , Sebastià V. Amengual Garí , Paul Calamia , Jens Ahrens

In this paper, we propose a novel procedure for 3D layout recovery of indoor scenes from single 360 degrees panoramic images. With such images, all scene is seen at once, allowing to recover closed geometries. Our method combines…

计算机视觉与模式识别 · 计算机科学 2018-06-22 Clara Fernandez-Labrador , Alejandro Perez-Yus , Gonzalo Lopez-Nicolas , Jose J. Guerrero

The task of room layout estimation is to locate the wall-floor, wall-ceiling, and wall-wall boundaries. Most recent methods solve this problem based on edge/keypoint detection or semantic segmentation. However, these approaches have shown…

计算机视觉与模式识别 · 计算机科学 2020-08-17 Weidong Zhang , Wei Zhang , Yinda Zhang

Supervised Deep-Learning (DL)-based reconstruction algorithms have shown state-of-the-art results for highly-undersampled dynamic Magnetic Resonance Imaging (MRI) reconstruction. However, the requirement of excessive high-quality…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Jie Feng , Ruimin Feng , Qing Wu , Zhiyong Zhang , Yuyao Zhang , Hongjiang Wei