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相关概念视频

Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

3.1K
The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
3.1K
Sensory Modalities01:15

Sensory Modalities

1.4K
Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
1.4K
Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

335
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
335
Tactile and Chemical Senses01:27

Tactile and Chemical Senses

315
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
315
Somatosensation01:33

Somatosensation

36.7K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
36.7K
Shape and Texture of Coarse Aggregate01:25

Shape and Texture of Coarse Aggregate

230
Aggregate shape is classified based on the relative sharpness or roundness of the edges and corners. This classification includes categories like rounded, angular, elongated, and flaky, each with specific characteristics. Rounded aggregates, fully shaped by attrition, are typical of river or seashore gravel, while angular aggregates, such as crushed rock, have well-defined edges. Aggregates that are elongated and flaky are less desirable, as they can reduce the workability and strength of...
230

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相关实验视频

Updated: Jul 15, 2025

Cross-Modal Multivariate Pattern Analysis
13:51

Cross-Modal Multivariate Pattern Analysis

Published on: November 9, 2011

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一个用于动态纹理分类的多式触觉数据集.

Bruno Monteiro Rocha Lima1, Venkata Naga Sai Siddhartha Danyamraju2, Thiago Eustaquio Alves de Oliveira3

  • 1School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON, Canada.

Data in brief
|September 28, 2023
PubMed
概括
此摘要是机器生成的。

这项研究为机器人引入了一个新的触觉纹理数据集,使得机器人能够更好地识别和操纵物体. 该数据集捕获来自机器人探测器的丰富传感器数据,以各种速度探索各种纹理.

关键词:
动态探索探索 动态探索机器学习 机器学习触觉传感器是一种触觉传感器.质地分类 质地分类

更多相关视频

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

12.7K
Capturing Dynamic Finger Gesturing with High-resolution Surface Electromyography and Computer Vision
08:15

Capturing Dynamic Finger Gesturing with High-resolution Surface Electromyography and Computer Vision

Published on: March 28, 2025

587

相关实验视频

Last Updated: Jul 15, 2025

Cross-Modal Multivariate Pattern Analysis
13:51

Cross-Modal Multivariate Pattern Analysis

Published on: November 9, 2011

20.0K
Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

Published on: September 1, 2016

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Capturing Dynamic Finger Gesturing with High-resolution Surface Electromyography and Computer Vision
08:15

Capturing Dynamic Finger Gesturing with High-resolution Surface Electromyography and Computer Vision

Published on: March 28, 2025

587

科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 材料科学 材料科学 材料科学
  • 传感器技术 传感器技术

背景情况:

  • 机器人操纵需要准确的物体和纹理识别,特别是在非结构化的环境中.
  • 触摸感应对于机器人通过触摸来感知表面特征至关重要.
  • 需要一个全面的触觉交互数据集来开发强大的纹理识别算法.

研究的目的:

  • 为机器人应用程序创建一个新的触觉纹理交互数据集.
  • 为了促进触觉纹理重建和识别使用生物灵感传感器的研究.
  • 为了支持对异性质质的研究和定向勘探策略.

主要方法:

  • 一个生物灵感的多式触觉传感模块与机器人探测器一起使用.
  • 探测器在三个探索速度下动态接触了12种不同的触觉纹理.
  • 收集的数据包括高采样速率的压力,加速度,角率和磁场变化.

主要成果:

  • 创建了3600个探索性事件的数据集,在纹理探索期间捕获了详细的传感器信号.
  • 数据集包括来自动态触觉相互作用的多模式传感器读数 (压力,加速度,角率,磁场).
  • 每个纹理每速度被探索100次,确保数据丰富和统计相关性.

结论:

  • 开发的触觉纹理数据集对于推进机器人对象识别和操纵能力非常有价值.
  • 它为触觉纹理重建,识别和理解异构性质的研究提供了基础.
  • 该数据集支持调查机器人触觉探索策略,包括滑动,如何影响纹理感知.