前言

记录Dota数据集，时间2021.6.8

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DOTA数据集介绍

DOTA数据集官网
https://captain-whu.github.io/DOTA/index.html
DOTA数据集百度云下载链接
链接：https://pan.baidu.com/s/1fiQ-4rK7rvFzHn6J9naAcQ 
提取码：2jyi 
论文地址：
https://arxiv.org/abs/1711.10398

DOTAV1.0

发布时间：2018
类别数目：15
类别名称：plane, ship, storage tank, baseball diamond, tennis court, basketball court, ground track field, harbor, bridge, large vehicle, small vehicle, helicopter, roundabout, soccer ball field , swimming pool

DOTAV1.5

发布时间：2019
类别数目：16
类别名称：plane, ship, storage tank, baseball diamond, tennis court, basketball court, ground track field, harbor, bridge, large vehicle, small vehicle, helicopter, roundabout, soccer ball field, swimming pool , container crane

DOTAV2.0

发布时间：
类别数目：18
类别名称：plane, ship, storage tank, baseball diamond, tennis court, basketball court, ground track field, harbor, bridge, large vehicle, small vehicle, helicopter, roundabout, soccer ball field, swimming pool, container crane, airport , helipad

标注方式

标注方式：oriented bounding box  定向边界框
'imagesource':imagesource
'gsd':gsd
x1, y1, x2, y2, x3, y3, x4, y4, category, difficult
x1, y1, x2, y2, x3, y3, x4, y4, category, difficult
...
imagesource: 图片来源  Google Earth, GF-2 and JL-1 satellite 
gsd:
x1, y1, x2, y2, x3, y3, x4, y4：四边形的四个顶点的坐标 顶点按顺时针顺序排列，第一个起点为左上第一个点
category:实例类别
difficult：表示该实例是否难以检测（1表示困难，0表示不困难）

Task1-- Detection with oriented bounding boxes

 The aim of this task is to locate the ground object instances with an OBB.

Task2-- Detection with horizontal bounding boxes

The aim of this task is to accurately localize the instance in terms of horizontal bounding box with (xmin, ymin, xmax, ymax) format.

其他情况说明

图片大小：800×800到4000×4000

参考博客

https://captain-whu.github.io/DOTA/index.html
https://blog.csdn.net/qq_27825451/article/details/89237574