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monocular-camera-pose-estimation's Introduction

项目简介

数据集和任务都来自于欧空局主办的竞赛Pose Estimation Challenge

任务是用单目相机拍摄的卫星探测器图像来估计探测器姿态。

单目姿态估计方法

单目姿态估计有基于学习基于模型两种方法。

  • 基于学习的方法

    基于学习的方法借助于机器学习 (machine learning) 方法,通常从事先获取的不同姿态下的训练样本中学 习二维观测(单目相机所摄图像)与三维姿态之间的对应关系,并将学习得到的决策规则或回归函数应用于样本,所得结果作为对 样本的姿态估计。基于学习的方法一般采用全局观测特征,不需检测或识别物体的局部特征,具有较好的鲁棒 性。

  • 基于模型的方法

    基于模型的方法通常利用物体的几何关系或者物体的特征点来估计。其基本**是利用某种几何模型或结构来表示物体的结构和形状(也就是说需要先建立物体的模型),并通过提取某些物体特征,在模型和图像之间建立起对应关系,然后通过几 何或者其它方法实现物体空间姿态的估计。


文件说明

  1. 使用随机森林对q,r直接回归的代码在random_forest.py里,可直接运行
  2. 使用随机森林对关键点进行回归的代码在RF_regressPoint.py里,可直接运行
  3. utils.py中存放一些辅助函数

结果演示

Ground True


预测结果

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