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Over the past few years, there has been remarkable progress in research on 3D point clouds and their use in autonomous driving scenarios has become widespread. However, deep learning methods heavily rely on annotated data and often face…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Jin Fang , Dingfu Zhou , Jingjing Zhao , Chenming Wu , Chulin Tang , Cheng-Zhong Xu , Liangjun Zhang

This work addresses the problem of vehicle identification through non-overlapping cameras. As our main contribution, we introduce a novel dataset for vehicle identification, called Vehicle-Rear, that contains more than three hours of…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Icaro O. de Oliveira , Rayson Laroca , David Menotti , Keiko V. O. Fonseca , Rodrigo Minetto

Complete depth information and efficient estimators have become vital ingredients in scene understanding for automated driving tasks. A major problem for LiDAR-based depth completion is the inefficient utilization of convolutions due to the…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Fabian Märkert , Martin Sunkel , Anselm Haselhoff , Stefan Rudolph

Panoptic segmentation as an integrated task of both static environmental understanding and dynamic object identification, has recently begun to receive broad research interest. In this paper, we propose a new computationally efficient LiDAR…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Ryan Razani , Ran Cheng , Enxu Li , Ehsan Taghavi , Yuan Ren , Liu Bingbing

3D Convolutional Neural Network (3D CNN) captures spatial and temporal information on 3D data such as video sequences. However, due to the convolution and pooling mechanism, the information loss seems unavoidable. To improve the visual…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Novanto Yudistira , Muthu Subash Kavitha , Takio Kurita

Robots typically possess sensors of different modalities, such as colour cameras, inertial measurement units, and 3D laser scanners. Often, solving a particular problem becomes easier when more than one modality is used. However, while…

计算机视觉与模式识别 · 计算机科学 2017-01-10 Charika De Alvis , Lionel Ott , Fabio Ramos

Scene flow estimation is the task to predict the point-wise or pixel-wise 3D displacement vector between two consecutive frames of point clouds or images, which has important application in fields such as service robots and autonomous…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Guangming Wang , Yunzhe Hu , Xinrui Wu , Hesheng Wang

State-of-the-art image segmentation algorithms generally consist of at least two successive and distinct computations: a boundary detection process that uses local image information to classify image locations as boundaries between objects,…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Michał Januszewski , Jeremy Maitin-Shepard , Peter Li , Jörgen Kornfeld , Winfried Denk , Viren Jain

Time varying sequences of 3D point clouds, or 4D point clouds, are now being acquired at an increasing pace in several applications (e.g., LiDAR in autonomous or assisted driving). In many cases, such volume of data is transmitted, thus…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Lorenzo Berlincioni , Stefano Berretti , Marco Bertini , Alberto Del Bimbo

In the field of SLAM (Simultaneous Localization And Mapping) for robot navigation, mapping the environment is an important task. In this regard the Lidar sensor can produce near accurate 3D map of the environment in the format of point…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Aritra Mukherjee , Sourya Dipta Das , Jasorsi Ghosh , Ananda S. Chowdhury , Sanjoy Kumar Saha

Visual intelligence at the edge is becoming a growing necessity for low latency applications and situations where real-time decision is vital. Object detection, the first step in visual data analytics, has enjoyed significant improvements…

计算机视觉与模式识别 · 计算机科学 2019-11-15 George Plastiras , Christos Kyrkou , Theocharis Theocharides

In recent years, computer vision has transformed fields such as medical imaging, object recognition, and geospatial analytics. One of the fundamental tasks in computer vision is semantic image segmentation, which is vital for precise object…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Dinar Sharafutdinov , Stanislav Kuskov , Saian Protasov , Alexey Voropaev

Medical image segmentation plays a crucial role in assisting healthcare professionals with accurate diagnoses and enabling automated diagnostic processes. Traditional convolutional neural networks (CNNs) often struggle with capturing…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Phuong-Nam Tran , Nhat Truong Pham , Duc Ngoc Minh Dang , Eui-Nam Huh , Choong Seon Hong

LiDAR scanning for surveying applications acquire measurements over wide areas and long distances, which produces large-scale 3D point clouds with significant local density variations. While existing 3D semantic segmentation models conduct…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Ryan Faulkner , Luke Haub , Simon Ratcliffe , Ian Reid , Tat-Jun Chin

Panoptic segmentation aims to address semantic and instance segmentation simultaneously in a unified framework. However, an efficient solution of panoptic segmentation in applications like autonomous driving is still an open research…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Enxu Li , Ryan Razani , Yixuan Xu , Liu Bingbing

At present, the anchor-based or anchor-free models that use LiDAR point clouds for 3D object detection use the center assigner strategy to infer the 3D bounding boxes. However, in a real world scene, the LiDAR can only acquire a limited…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Ruiqi Ma , Chi Chen , Bisheng Yang , Deren Li , Haiping Wang , Yangzi Cong , Zongtian Hu

LiDAR panoptic segmentation facilitates an autonomous vehicle to comprehensively understand the surrounding objects and scenes and is required to run in real time. The recent proposal-free methods accelerate the algorithm, but their…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Xiaoyan Li , Gang Zhang , Boyue Wang , Yongli Hu , Baocai Yin

Deep neural networks are typically trained in a single shot for a specific task and data distribution, but in real world settings both the task and the domain of application can change. The problem becomes even more challenging in dense…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Donald Shenaj , Francesco Barbato , Umberto Michieli , Pietro Zanuttigh

The field-of-view is an important metric when designing a model for semantic segmentation. To obtain a large field-of-view, previous approaches generally choose to rapidly downsample the resolution, usually with average poolings or stride 2…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Roland Gao

Deep convolutional neural networks (CNNs) have been immensely successful in many high-level computer vision tasks given large labeled datasets. However, for video semantic object segmentation, a domain where labels are scarce, effectively…

计算机视觉与模式识别 · 计算机科学 2016-06-08 Huiling Wang , Tapani Raiko , Lasse Lensu , Tinghuai Wang , Juha Karhunen