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Image segmentation plays a crucial role in extracting important objects of interest from images, enabling various applications. While existing methods have shown success in segmenting clean images, they often struggle to produce accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Han Zhang , Daoping Zhang , Lok Ming Lui

In this thesis a probabilistic framework is developed and proposed for Dynamic Object Recognition in 3D Environments. A software package is developed using C++ and Python in ROS that performs the detection and tracking task. Furthermore, a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Pouria Mehrabi

3D object detection is an important capability needed in various practical applications such as driver assistance systems. Monocular 3D detection, as a representative general setting among image-based approaches, provides a more economical…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Tai Wang , Xinge Zhu , Jiangmiao Pang , Dahua Lin

Deep learning techniques have become the to-go models for most vision-related tasks on 2D images. However, their power has not been fully realised on several tasks in 3D space, e.g., 3D scene understanding. In this work, we jointly address…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Quang-Hieu Pham , Duc Thanh Nguyen , Binh-Son Hua , Gemma Roig , Sai-Kit Yeung

The random walker method for image segmentation is a popular tool for semi-automatic image segmentation, especially in the biomedical field. However, its linear asymptotic run time and memory requirements make application to 3D datasets of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Dominik Drees , Florian Eilers , Xiaoyi Jiang

Human-machine interaction through augmented reality (AR) and virtual reality (VR) is increasingly prevalent, requiring accurate and efficient gaze estimation which hinges on the accuracy of eye segmentation to enable smooth user…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Zhengyuan Peng , Jianqing Xu , Shen Li , Jiazhen Ji , Yuge Huang , Jingyun Zhang , Jinmin Li , Shouhong Ding , Rizen Guo , Xin Tan , Lizhuang Ma

We present 3DP3, a framework for inverse graphics that uses inference in a structured generative model of objects, scenes, and images. 3DP3 uses (i) voxel models to represent the 3D shape of objects, (ii) hierarchical scene graphs to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Nishad Gothoskar , Marco Cusumano-Towner , Ben Zinberg , Matin Ghavamizadeh , Falk Pollok , Austin Garrett , Joshua B. Tenenbaum , Dan Gutfreund , Vikash K. Mansinghka

We tackle the problem of object-centric learning on point clouds, which is crucial for high-level relational reasoning and scalable machine intelligence. In particular, we introduce a framework, SPAIR3D, to factorize a 3D point cloud into a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Tianyu Wang , Miaomiao Liu , Kee Siong Ng

The ability to detect and segment moving objects in a scene is essential for building consistent maps, making future state predictions, avoiding collisions, and planning. In this paper, we address the problem of moving object segmentation…

Uncertainty quantification in medical images has become an essential addition to segmentation models for practical application in the real world. Although there are valuable developments in accurate uncertainty quantification methods using…

Image and Video Processing · Electrical Eng. & Systems 2023-05-02 Christiaan G. A. Viviers , Amaan M. M. Valiuddin , Peter H. N. de With , Fons van der Sommen

Few-shot 3D semantic segmentation aims to generate accurate semantic masks for query point clouds with only a few annotated support examples. Existing prototype-based methods typically construct compact and deterministic prototypes from the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Yifei Zhao , Fanyu Zhao , Yinsheng Li

Probabilistic convolutional neural networks, which predict distributions of predictions instead of point estimates, led to recent advances in many areas of computer vision, from image reconstruction to semantic segmentation. Besides state…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Josef Lorenz Rumberger , Lisa Mais , Dagmar Kainmueller

In Computer Vision, edge detection is one of the favored approaches for feature and object detection in images since it provides information about their objects boundaries. Other region-based approaches use probabilistic analysis such as…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Dominique Beaini , Sofiane Achiche , Fabrice Nonez , Maxime Raison

In the rapidly evolving field of autonomous driving, precise segmentation of LiDAR data is crucial for understanding complex 3D environments. Traditional approaches often rely on disparate, standalone codebases, hindering unified…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Jiahao Sun , Chunmei Qing , Xiang Xu , Lingdong Kong , Youquan Liu , Li Li , Chenming Zhu , Jingwei Zhang , Zeqi Xiao , Runnan Chen , Tai Wang , Wenwei Zhang , Kai Chen

Object parsing and segmentation from point clouds are challenging tasks because the relevant data is available only as thin structures along object boundaries or other features, and is corrupted by large amounts of noise. To handle this…

Computer Vision and Pattern Recognition · Computer Science 2015-03-19 Adrian Barbu

Recent advances in unsupervised learning for object detection, segmentation, and tracking hold significant promise for applications in robotics. A common approach is to frame these tasks as inference in probabilistic latent-variable models.…

Robotics · Computer Science 2021-09-14 Yizhe Wu , Oiwi Parker Jones , Martin Engelcke , Ingmar Posner

A fast and accurate panoptic segmentation system for LiDAR point clouds is crucial for autonomous driving vehicles to understand the surrounding objects and scenes. Existing approaches usually rely on proposals or clustering to segment…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Enxu Li , Ryan Razani , Yixuan Xu , Bingbing Liu

We present an open-source, real-time implementation of SemanticPaint, a system for geometric reconstruction, object-class segmentation and learning of 3D scenes. Using our system, a user can walk into a room wearing a depth camera and a…

Developing deep neural networks to generate 3D scenes is a fundamental problem in neural synthesis with immediate applications in architectural CAD, computer graphics, as well as in generating virtual robot training environments. This task…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Haitao Yang , Zaiwei Zhang , Siming Yan , Haibin Huang , Chongyang Ma , Yi Zheng , Chandrajit Bajaj , Qixing Huang

Interactive segmentation has an important role in facilitating the annotation process of future LiDAR datasets. Existing approaches sequentially segment individual objects at each LiDAR scan, repeating the process throughout the entire…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Ilya Fradlin , Idil Esen Zulfikar , Kadir Yilmaz , Theodora Kontogianni , Bastian Leibe
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