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相关论文: Point Cloud Color Constancy

200 篇论文

When navigating in urban environments, many of the objects that need to be tracked and avoided are heavily occluded. Planning and tracking using these partial scans can be challenging. The aim of this work is to learn to complete these…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Himangi Mittal , Brian Okorn , Arpit Jangid , David Held

In this paper, the aim is multi-illumination color constancy. However, most of the existing color constancy methods are designed for single light sources. Furthermore, datasets for learning multiple illumination color constancy are largely…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Partha Das , Yang Liu , Sezer Karaoglu , Theo Gevers

In recent years, the fusion of camera data with LiDAR measurements has emerged as a powerful approach to enhance spatial understanding. This study introduces a novel, hardware-agnostic methodology that generates colourised point clouds from…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Pasindu Ranasinghe , Dibyayan Patra , Bikram Banerjee , Simit Raval

This paper establishes the consistency of spectral approaches to data clustering. We consider clustering of point clouds obtained as samples of a ground-truth measure. A graph representing the point cloud is obtained by assigning weights to…

统计理论 · 数学 2015-08-11 Nicolás García Trillos , Dejan Slepčev

Point cloud completion is an indispensable task for recovering complete point clouds due to incompleteness caused by occlusion, limited sensor resolution, etc. The family of coarse-to-fine generation architectures has recently exhibited…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Yi Rong , Haoran Zhou , Lixin Yuan , Cheng Mei , Jiahao Wang , Tong Lu

Implicit Neural Point Cloud (INPC) is a recent hybrid representation that combines the expressiveness of neural fields with the efficiency of point-based rendering, achieving state-of-the-art image quality in novel view synthesis. However,…

Point cloud based 3D visual representation is becoming popular due to its ability to exhibit the real world in a more comprehensive and immersive way. However, under a limited network bandwidth, it is very challenging to communicate this…

图像与视频处理 · 电气工程与系统科学 2019-12-23 Hao Liu , Hui Yuan , Qi Liu , Junhui Hou , Ju Liu

Keypoint detection serves as the basis for many computer vision and robotics applications. Despite the fact that colored point clouds can be readily obtained, most existing keypoint detectors extract only geometry-salient keypoints, which…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Hanzhe Teng , Dimitrios Chatziparaschis , Xinyue Kan , Amit K. Roy-Chowdhury , Konstantinos Karydis

Color constancy aims to restore the constant colors of a scene under different illuminants. However, due to the existence of camera spectral sensitivity, the network trained on a certain sensor, cannot work well on others. Also, since the…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Xiaodong Cun , Zhendong Wang , Chi-Man Pun , Jianzhuang Liu , Wengang Zhou , Xu Jia , Houqiang Li

The common occurrence of occlusion-induced incompleteness in point clouds has made point cloud completion (PCC) a highly-concerned task in the field of geometric processing. Existing PCC methods typically produce complete point clouds from…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Jisheng Chu , Wenrui Li , Xingtao Wang , Kanglin Ning , Yidan Lu , Xiaopeng Fan

Point clouds are utilized in various 3D applications such as cross-reality (XR) and realistic 3D displays. In some applications, e.g., for live streaming using a 3D point cloud, real-time point cloud denoising methods are required to…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Ryosuke Watanabe , Keisuke Nonaka , Eduardo Pavez , Tatsuya Kobayashi , Antonio Ortega

Chromatic Correlation Clustering (CCC) extends Correlation Clustering by assigning semantic colors to edges and requiring each cluster to receive a single color label. Unlike standard CC, whose LP relaxation has integrality gap 2 on…

机器学习 · 计算机科学 2026-04-20 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Recently, there have been some attempts of Transformer in 3D point cloud classification. In order to reduce computations, most existing methods focus on local spatial attention, but ignore their content and fail to establish relationships…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Yahui Liu , Bin Tian , Yisheng Lv , Lingxi Li , Feiyue Wang

Point cloud filtering is a fundamental problem in geometry modeling and processing. Despite of significant advancement in recent years, the existing methods still suffer from two issues: 1) they are either designed without preserving sharp…

图形学 · 计算机科学 2020-09-29 Dongbo Zhang , Xuequan Lu , Hong Qin , Ying He

As robotics and augmented reality applications increasingly rely on precise and efficient 6D object pose estimation, real-time performance on edge devices is required for more interactive and responsive systems. Our proposed Sparse…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Xingjian Yang , Zhitao Yu , Ashis G. Banerjee

Object detection through LiDAR-based point cloud has recently been important in autonomous driving. Although achieving high accuracy on public benchmarks, the state-of-the-art detectors may still go wrong and cause a heavy loss due to the…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Shuangzhi Li , Zhijie Wang , Felix Juefei-Xu , Qing Guo , Xingyu Li , Lei Ma

Point cloud based methods have produced promising results in areas such as 3D object detection in autonomous driving. However, most of the recent point cloud work focuses on single depth sensor data, whereas less work has been done on…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Walid Bekhtaoui , Ruhan Sa , Brian Teixeira , Vivek Singh , Klaus Kirchberg , Yao-jen Chang , Ankur Kapoor

We present a novel, effective method for global point cloud registration problems by geometric topology. Based on many point cloud pairwise registration methods (e.g ICP), we focus on the problem of accumulated error for the composition of…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Yuxue Ren , Baowei Jiang , Wei Chen , Na Lei , Xianfeng David Gu

This paper presents a novel design methodology for architecting a light-weight and faster DNN architecture for vision applications. The effectiveness of the architecture is demonstrated on Color-Constancy use case an inherent block in…

计算机视觉与模式识别 · 计算机科学 2020-08-09 Vishal Keshav , Tej Pratap GVSL

Point cloud is a collection of 3D coordinates that are discrete geometric samples of an object's 2D surfaces. Using a low-cost 3D scanner to acquire data means that point clouds are often in lower resolution than desired for rendering on…

信号处理 · 电气工程与系统科学 2019-08-20 Chinthaka Dinesh , Gene Cheung , Ivan V. Bajic