一种用于反射边界估计的深度学习方法
Toros Arikan1, Amir Weiss2, Hari Vishnu3
1Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA.
The Journal of the Acoustical Society of America
|July 1, 2024
概括
本研究引入了一种新的卷积神经网络 (NN) 方法,用于使用声学回声进行强大的环境估计. 该技术在具有挑战性的反响条件下准确地绘制反射边界,而不需要回声标签.
科学领域:
- 声学 声学 在声学上
- 机器学习 机器学习
- 机器人技术 机器人技术 机器人技术
背景情况:
- 在像水下和室内声学这样的反响环境中对环境进行估计是具有挑战性的.
- 现有的边界估计方法需要高的信号噪声比率和准确的回声分配.
- 在复杂的声学环境中,局限性阻碍了准确的定位和映射.
研究的目的:
- 利用卷积神经网络 (NN) 开发一种强大的二维边界估计方法.
- 克服现有方法的局限性,包括低信号噪声比和虚假回声检测.
- 为了能够在反响声学领域准确地估计环境.
主要方法:
- 卷积神经网络 (NN) 方法用于边界估计.
- 一个启发于Hough转换的算法将到达的回声时间转换为图像.
- 通过NN的多分辨率回归顺序地改进了边界估计.
- 这种方法不需要正确的回声标签,并且对声强大.
主要成果:
- 拟议的NN方法证明了可靠的二维边界估计.
- 通过模拟和现实世界水箱数据验证了性能.
- 该方法在具有挑战性的条件下明显优于最先进的替代方案.
结论:
- 开发的数据驱动方法为反响设置中的环境估计提供了强大的解决方案.
- 这种方法在推进水下声学检测和跟踪方面具有重大潜力.
- 未来的工作可以将此扩展到三维环境估计.
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