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Point cloud completion concerns to predict missing part for incomplete 3D shapes. A common strategy is to generate complete shape according to incomplete input. However, unordered nature of point clouds will degrade generation of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

We examined the feasibility of generative adversarial networks (GANs) to generate photo-realistic images from LiDAR point clouds. For this purpose, we created a dataset of point cloud image pairs and trained the GAN to predict…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Nuriel Shalom Mor

With the increased availability of 3D scanning technology, point clouds are moving into the focus of computer vision as a rich representation of everyday scenes. However, they are hard to handle for machine learning algorithms due to their…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Sergey Prokudin , Christoph Lassner , Javier Romero

Recently, it has been demonstrated that deep neural networks can significantly improve the performance of single image super-resolution (SISR). Numerous studies have concentrated on raising the quantitative quality of super-resolved (SR)…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Zheng Hui , Jie Li , Xinbo Gao , Xiumei Wang

The quality of point clouds is often limited by noise introduced during their capture process. Consequently, a fundamental 3D vision task is the removal of noise, known as point cloud filtering or denoising. State-of-the-art learning based…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Dasith de Silva Edirimuni , Xuequan Lu , Zhiwen Shao , Gang Li , Antonio Robles-Kelly , Ying He

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

Recent years we have witnessed rapid development in NeRF-based image rendering due to its high quality. However, point clouds rendering is somehow less explored. Compared to NeRF-based rendering which suffers from dense spatial sampling,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Xiaoyang Huang , Yi Zhang , Bingbing Ni , Teng Li , Kai Chen , Wenjun Zhang

In this paper, we introduce a novel conditional generative adversarial network that creates dense 3D point clouds, with color, for assorted classes of objects in an unsupervised manner. To overcome the difficulty of capturing intricate…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Mohammad Samiul Arshad , William J. Beksi

Autonomous driving is the key technology of intelligent logistics in Industrial Internet of Things (IIoT). In autonomous driving, the appearance of incomplete point clouds losing geometric and semantic information is inevitable owing to…

Machine Learning · Computer Science 2023-07-19 Jingzhi Tu , Gang Mei , Francesco Piccialli

Point cloud completion is the task of predicting complete geometry from partial observations using a point set representation for a 3D shape. Previous approaches propose neural networks to directly estimate the whole point cloud through…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Alexis Mendoza , Alexander Apaza , Ivan Sipiran , Cristian Lopez

Point cloud registration aims to provide estimated transformations to align point clouds, which plays a crucial role in pose estimation of various navigation systems, such as surgical guidance systems and autonomous vehicles. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Geng Li , Haozhi Cao , Mingyang Liu , Shenghai Yuan , Jianfei Yang

Generative Adversarial Networks (GAN) can achieve promising performance on learning complex data distributions on different types of data. In this paper, we first show a straightforward extension of existing GAN algorithm is not applicable…

Machine Learning · Computer Science 2018-10-16 Chun-Liang Li , Manzil Zaheer , Yang Zhang , Barnabas Poczos , Ruslan Salakhutdinov

Reconstructing a high-resolution 3D model of an object is a challenging task in computer vision. Designing scalable and light-weight architectures is crucial while addressing this problem. Existing point-cloud based reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2019-01-28 Priyanka Mandikal , R. Venkatesh Babu

Utilizing 3D point cloud data has become an urgent need for the deployment of artificial intelligence in many areas like facial recognition and self-driving. However, deep learning for 3D point clouds is still vulnerable to adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Xuelong Dai , Yanjie Li , Hua Dai , Bin Xiao

Integrated sensing and communications is a key enabler for the 6G wireless communication systems. The multiple sensing modalities will allow the base station to have a more accurate representation of the environment, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Mohammad Farzanullah , Han Zhang , Akram Bin Sediq , Ali Afana , Melike Erol-Kantarci

Real-world sensors often produce incomplete, irregular, and noisy point clouds, making point cloud completion increasingly important. However, most existing completion methods rely on large paired datasets for training, which is…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Zhaoxin Fan , Yulin He , Zhicheng Wang , Kejian Wu , Hongyan Liu , Jun He

Pre-training a model and then fine-tuning it on downstream tasks has demonstrated significant success in the 2D image and NLP domains. However, due to the unordered and non-uniform density characteristics of point clouds, it is non-trivial…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Xiao Zheng , Xiaoshui Huang , Guofeng Mei , Yuenan Hou , Zhaoyang Lyu , Bo Dai , Wanli Ouyang , Yongshun Gong

Pre-trained point cloud analysis models have shown promising advancements in various downstream tasks, yet their effectiveness is typically suffering from low-quality point cloud (i.e., noise and incompleteness), which is a common issue in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Zixiang Ai , Zhenyu Cui , Yuxin Peng , Jiahuan Zhou

3D object detection from LiDAR sensor data is an important topic in the context of autonomous cars and drones. In this paper, we present the results of experiments on the impact of backbone selection of a deep convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Konrad Lis , Tomasz Kryjak

Recently, the growing capabilities of deep generative models have underscored their potential in enhancing image classification accuracy. However, existing methods often demand the generation of a disproportionately large number of images…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Tao Huang , Jiaqi Liu , Shan You , Chang Xu