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Point cloud segmentation is crucial for robotic visual perception and environmental understanding, enabling applications such as robotic navigation and 3D reconstruction. However, handling the sparse and unordered nature of point cloud data…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Tao Wang , Wei Wen , Jingzhi Zhai , Kang Xu , Haoming Luo

Point cloud segmentation (PCS) aims to make per-point predictions and enables robots and autonomous driving cars to understand the environment. The range image is a dense representation of a large-scale outdoor point cloud, and segmentation…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Bike Chen , Chen Gong , Antti Tikanmäki , Juha Röning

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

For decades, sampling-based techniques have been the de facto standard for accelerating microarchitecture simulation, with the Basic Block Vector (BBV) serving as the cornerstone program representation. Yet, the BBV's fundamental…

硬件体系结构 · 计算机科学 2025-12-12 Zhenguo Liu , Chengao Shi , Chen Ding , Jiang Xu

Semantic segmentation of Very High Resolution (VHR) remote sensing images is a fundamental task for many applications. However, large variations in the scales of objects in those VHR images pose a challenge for performing accurate semantic…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Yuanzhi Cai , Lei Fan , Yuan Fang

We are living in the era of Big Data and witnessing the explosion of data. Given that the limitation of CPU and I/O in a single computer, the mainstream approach to scalability is to distribute computations among a large number of…

分布式、并行与集群计算 · 计算机科学 2021-07-27 Bingbing Rao , Liqiang Wang

3D semantic segmentation is a fundamental building block for several scene understanding applications such as autonomous driving, robotics and AR/VR. Several state-of-the-art semantic segmentation models suffer from the part…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Anirud Thyagharajan , Benjamin Ummenhofer , Prashant Laddha , Om J Omer , Sreenivas Subramoney

The recent advances in 3D sensing technology have made possible the capture of point clouds in significantly high resolution. However, increased detail usually comes at the expense of high storage, as well as computational costs in terms of…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Rolandos Alexandros Potamias , Giorgos Bouritsas , Stefanos Zafeiriou

Self-supervised learning has emerged as a key approach for learning generic representations from speech data. Despite promising results in downstream tasks such as speech recognition, speaker verification, and emotion recognition, a…

计算与语言 · 计算机科学 2024-08-01 Nakamasa Inoue , Shinta Otake , Takumi Hirose , Masanari Ohi , Rei Kawakami

Recognizing 3D part instances from a 3D point cloud is crucial for 3D structure and scene understanding. Several learning-based approaches use semantic segmentation and instance center prediction as training tasks and fail to further…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Chunyu Sun , Xin Tong , Yang Liu

Point clouds analysis has grasped researchers' eyes in recent years, while 3D semantic segmentation remains a problem. Most deep point clouds models directly conduct learning on 3D point clouds, which will suffer from the severe sparsity…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Zhenhong Zou , Yizhe Li

Semantic segmentation is a critical task in computer vision aiming to identify and classify individual pixels in an image, with numerous applications in for example autonomous driving and medical image analysis. However, semantic…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Halil Ibrahim Aysel , Xiaohao Cai , Adam Prügel-Bennett

Whether by processing videos with fixed resolution from start to end or incorporating pooling and down-scaling strategies, existing video transformers process the whole video content throughout the network without specially handling the…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Chenbin Pan , Rui Hou , Hanchao Yu , Qifan Wang , Senem Velipasalar , Madian Khabsa

The recent surge in 3D data acquisition has spurred the development of geometric deep learning models for point cloud processing, boosted by the remarkable success of transformers in natural language processing. While point cloud…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Alessandro Baiocchi , Indro Spinelli , Alessandro Nicolosi , Simone Scardapane

The autonomous car must recognize the driving environment quickly for safe driving. As the Light Detection And Range (LiDAR) sensor is widely used in the autonomous car, fast semantic segmentation of LiDAR point cloud, which is the…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Jaehyun Park , Chansoo Kim , Kichun Jo

Semantic communication can improve transmission efficiency by focusing on task-relevant information. However, under packet-based communication protocols, any error typically results in the loss of an entire packet, making semantic…

系统与控制 · 电气工程与系统科学 2025-11-24 Xiao Yang , Shuai Ma , Yong Liang , Guangming Shi

This paper puts forward a framework to accelerate Electromagnetic Transient (EMT) simulations by replacing individual components with trained Physics-Informed Neural Networks (PINNs). EMT simulations are considered the cornerstone of…

Vision Transformers have witnessed prevailing success in a series of vision tasks. However, these Transformers often rely on extensive computational costs to achieve high performance, which is burdensome to deploy on resource-constrained…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Wei Li , Xing Wang , Xin Xia , Jie Wu , Jiashi Li , Xuefeng Xiao , Min Zheng , Shiping Wen

Video Virtual Try-on aims to seamlessly transfer a reference garment onto a target person in a video while preserving both visual fidelity and temporal coherence. Existing methods typically rely on inpainting masks to define the try-on…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Tianyu Chang , Xiaohao Chen , Zhichao Wei , Xuanpu Zhang , Qing-Guo Chen , Weihua Luo , Peipei Song , Xun Yang

With the rapid progress of deep convolutional neural networks, in almost all robotic applications, the availability of 3D point clouds improves the accuracy of 3D semantic segmentation methods. Rendering of these irregular, unstructured,…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Mobina Mahdavi , Fahimeh Fooladgar , Shohreh Kasaei