论文笔记:Reinforcing LiDAR-Based 3D Object Detection with RGB and 3D Information

本文介绍了一种结合RGB-D图像与3D点云信息的3D目标检测方法,通过三阶段处理,利用PointRCNN进行3DProposal提取与ROI精炼,并引入3D与RGB-D分类器提升分类准确性。

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论文笔记:Reinforcing LiDAR-Based 3D Object Detection with RGB and 3D Information

简介

本文提出了一个融合了RGB-D和3D点云信息的3-D目标检测方法。融合了RGB-D的方法在速度有所下降的情况下准确率得到了一定的提高。

方法

这是一个三阶段方法。
第一阶段,用PointRCNN的第一阶段提取点云的3D Proposal
第二阶段,用PointRCNN的第二阶段来refine点云的ROI和预测confidence。
第三阶段,考虑到回归后的3D box信息在第二阶段并没有用在分类上,因此用第二阶段中得到的3D boxes训练一个3D分类器和一个RGB-D分类器(RGB-D分类器用的2D RoIs用3D bounding box投影得到),

在这里插入图片描述

因为3D点云提供的信息比较有限,有一些在点云中很容易被分类错误的背景在RGB-D图像中很容易区分,因此最终的分数还加上了第三阶段的分类分数,提高整体的准确率。
在这里插入图片描述

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hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine unite join connect link associate relate correlate correspond match pair couple bond attach fix secure lock seal close shut confine restrict restrain contain enclose surround encompass cover hide mask disguise camouflage blend merge fuse combine
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