深度排名一致的金字塔模型用于增强人群计数
IEEE transactions on neural networks and learning systems
|December 13, 2023
概括
这项研究引入了一个深度排名一致的金字塔模型 (DREAM) 用于人群计数,有效地使用未标记的图像来提高准确性. 梦想利用特征空间中的排名一致性,减少了对广泛的手动注释的需求.
科学领域:
- 计算机视觉 计算机视觉
- 机器学习 机器学习
- 人工智能的人工智能
背景情况:
- 传统的人群计数依赖于完全监督的学习,需要广泛的像素级注释.
- 标签是昂贵且耗时的,这促使人们使用没有标签的数据.
- 没有标签的图像提供固有的结构信息,并为监督提供排名一致性.
研究的目的:
- 开发一种新的人群计数方法,有效地利用未标记的图像.
- 在人群计数模型中减少对昂贵的像素级注释的依赖.
- 通过利用潜在特征空间中的等级一致性来提高人群计数的准确性.
主要方法:
- 提出了深度等级一致的金字塔模型 (DREAM).
- 在横跨粗细金字塔特征的潜伏特征空间中利用等级一致性.
- 包含众多的金字塔部分顺序,以实现更强的模型表示.
- 引入了一个新的未标记的人群计数数据集 (FUDAN-UCC),包含4000张图像.
主要成果:
- 证明了DREAM在基准数据集上的有效性 (UCF-QNRF,上海科技A/B部分,UCF-CC-50).
- 与以前的半监督人群计数方法相比,实现了更好的性能.
- 显示使用更多的未标记样品.
结论:
- DREAM有效地利用了群众计数的潜在特征空间中的排名一致性.
- 拟议的方法大大减少了对手册注释的需求.
- DREAM提供了一种有希望的方法,用于使用大量未标记的数据进行人群计数.
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