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相关概念视频

Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

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In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
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相关实验视频

Updated: May 5, 2026

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

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在手术室的基于音频的事件检测.

Jonas Fuchtmann1,2, Thomas Riedel3, Maximilian Berlet3,4

  • 1Research Group MITI, Klinikum rechts der Isar, TUM School of Medicine and Health, Technical University of Munich, Munich, Germany. jonas.fuchtmann@tum.de.

International journal of computer assisted radiology and surgery
|June 11, 2024
PubMed
概括
此摘要是机器生成的。

在手术室的音频事件检测显示使用仅两个麦克风的高精度. 这种方法提供了一种具有成本效益的方法,用于增强工作流识别,超越口语分析.

关键词:
音频信号的分类 音频信号的分类事件检测 事件检测手术声音分析手术声音分析工作流分析工作流分析.

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Simple Surgical Induction of Conductive Hearing Loss with Verification Using Otoscope Visualization and Behavioral Clap Startle Response in Rat
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Simple Surgical Induction of Conductive Hearing Loss with Verification Using Otoscope Visualization and Behavioral Clap Startle Response in Rat

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Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping

Published on: August 12, 2019

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相关实验视频

Last Updated: May 5, 2026

Infant Auditory Processing and Event-related Brain Oscillations
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16.4K
Simple Surgical Induction of Conductive Hearing Loss with Verification Using Otoscope Visualization and Behavioral Clap Startle Response in Rat
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Simple Surgical Induction of Conductive Hearing Loss with Verification Using Otoscope Visualization and Behavioral Clap Startle Response in Rat

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Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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科学领域:

  • 医疗信息学 医疗信息学
  • 信号处理 信号处理
  • 机器学习 机器学习

背景情况:

  • 目前的操作室 (OR) 工作流分析系统主要是基于研究的,缺乏通用应用.
  • 音频数据用于OR工作流分析的潜力在很大程度上仍未被探索,尽管其具有低成本和独立于视觉或位置数据等优势.

研究的目的:

  • 为手术室开发和评估基于音频的事件检测系统.
  • 探索使用声音分析在外科环境中全面识别工作流程的可行性.

主要方法:

  • 利用了一套新的数据集,包括来自手术室的63个多小时的注释音频.
  • 将处理的音频数据转化为log-mel-spectrograms,用于输入预训练的卷积神经网络.
  • 采用数据增强技术来提高分类准确性.

主要成果:

  • 通过像MobileNet这样的轻量级模型实现了高性能,证明了计算效率.
  • 成功分类11个不同的音频事件类别,包括外科手术和设备移动.
  • 在定制数据集上实现了90%的整体准确性,91%的精度和91%的F1得分.

结论:

  • 音频事件识别是OR工作流分析的可行和有价值的补充,超越了语音.
  • 拟议的方法在计算上是廉价的,可以集成到现有或未来的识别管道中.
  • 这种概念验证强调了音频作为一个重要的,未充分利用的外科环境数据源.