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tinyobject's Introduction

TinyObject

主要是用来解决小目标的检测和跟踪问题

数据来源

  • Skybox Imaging Satellite Video Dataset
  • 斯坦福无人机航拍数据
  • 吉林一号视频数据

工程的主要目录结构

工程根目录

.
├── README.md
├── mainmodels
│   ├── dataset
│   └── models
└── source
    ├── bg
    ├── test
    ├── tools
    └── tracking

模型目录

.
├── dataset
│   ├── NWPU_dataset_input.py
│   ├── TT100k_traffic_sign_input.py
│   ├── airplane_input.py
│   ├── cifar_input.py
│   ├── show_target.py
│   ├── tools.py
│   └── usa_traffic_sign_input.py
└── models
    ├── autoencoder
    ├── resnet
    ├── rpnplus
    ├── ssd
    └── tradition

TODOLIST

  • 对JS1号卫星图像数据进行裁剪,并将相应的目标的位置进行坐标变换
  • 使用C++编写SSD网络中不同feature_map中对应的anchor的标签数据,这其中问题较多
  • 在构造anchor boxes时,需要将inner的box剔除出去
  • 对于随机采样出来的图像,在生成SSD训练样本时,却发现仅仅由大约 30% 的图像能在不同的feature map中找到对应的候选框
  • 将物体覆盖的率的评价函数由IOU改成overlap-ratio
  • 使用Python将anchor在没有获得候选框的图像的结果可视化出来,分析在不同目标尺度上的差异
  • 对于上述结果进行可视化分析,找到适合的阈值,使得SSD模型能覆盖大部分目标
  • 现在训练SSD网络,base网络是自己定义的普通的CNN网络
  • 紧接着将ResNet作为base网络,对比模型结果

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