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相关概念视频

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

537
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
537

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相关实验视频

Updated: May 31, 2025

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
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积极的头靠与基于深度摄像头的耳部定位系统相结合.

Yuteng Liu1, Haowen Li1, Haishan Zou1

  • 1Key Laboratory of Modern Acoustic, Nanjing University, Nanjing 210093, China.

The Journal of the Acoustical Society of America
|January 24, 2025
PubMed
概括
此摘要是机器生成的。

主动头托 (AHR) 可以降低噪音,但随着头部的移动,性能会下降. 耳部定位 (EP) 系统增强了AHR,在头部翻转和旋转过程中保持了显著的降噪.

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科学领域:

  • 声学 声学 在声学方面
  • 生物医学工程 生物医学工程
  • 人与计算机的交互

背景情况:

  • 主动头托 (AHR) 提供局部降噪 (NR),但对头部位置敏感.
  • 现有的头部跟踪系统主要针对翻译式头部运动,限制了对组合运动的强度.
  • 保持有效的NR需要在AHR安静区和听者的耳朵之间精确调整.

研究的目的:

  • 开发和评估与AHR集成的耳部定位 (EP) 系统,以实现强大的降噪.
  • 为了提高AHR对翻译和旋转头部运动的性能.
  • 为了提高AHR在现实世界场景中的整体有效性,使用动态头部运动.

主要方法:

  • 使用深度摄像头和人类姿势估计模型开发了一个耳部定位 (EP) 系统.
  • 在EP系统中集成了主动头托 (AHR).
  • 实施了一个后处理算法来处理耳塞的场景.

主要成果:

  • EP系统在翻译和旋转过程中有效跟踪耳朵的运动.
  • 与EP系统集成的AHR实现了显著的噪声降低 (翻译高达11.7/12.2dBA,旋转高达11.4/13.6dBA).
  • 与没有EP系统的AHR相比,性能改善显著 (例如,没有系统的-5.7/-6.9dBA).

结论:

  • 拟议的耳部定位系统显著提高了主动头托的强度和性能.
  • 通过将EP与AHR集成,可以在一系列头部运动中有效降低噪音,包括翻译和旋转.
  • 这项技术为在动态环境中保持个性化的安静区域提供了一个有希望的解决方案.