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相关概念视频

Hierarchy of Motor Control01:18

Hierarchy of Motor Control

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The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
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Plotting of Topographic Maps01:29

Plotting of Topographic Maps

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Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
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Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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Manipulation and Analysis01:21

Manipulation and Analysis

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GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
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Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

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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.
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相关实验视频

Updated: Jun 16, 2025

Modeling the Functional Network for Spatial Navigation in the Human Brain
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从语音指令进行分层路径规划,并使用基于空间概念的拓度语义映射.

Akira Taniguchi1, Shuya Ito1, Tadahiro Taniguchi1

  • 1Emergent Systems Laboratory, Ritsumeikan University, Kusatsu, Shiga, Japan.

Frontiers in robotics and AI
|August 16, 2024
PubMed
概括
此摘要是机器生成的。

这项研究介绍了一种新的机器人导航系统,该系统使用语音命令与路标来进行更灵活的路线规划. 基于空间概念的层次路径规划的拓语义映射 (SpCoTMHP) 方法提高了机器人导航的成功和速度.

关键词:
控制作为概率推理推理.层次性的路径规划计划.语言导航导航语言导航一个概率性的生成模型.语义地图是一个语义地图.拓地图是一个拓地图.

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 人工智能的人工智能
  • 人与机器人的交互

背景情况:

  • 自主移动机器人需要直观的导航来提供日常帮助.
  • 当前的方法往往优先考虑最短的路径,这可能不适合用户需求.
  • 灵活的路线规划与路标和实时推断对于有效的机器人辅助至关重要.

研究的目的:

  • 开发一种层次空间表示和路径规划方法,使机器人能够通过路标响应语音指令.
  • 使机器人能够规划改进的替代路径,适应绕道和用户指定的中间位置.
  • 整合语义,拓和度量空间信息,以增强机器人导航.

主要方法:

  • 提出了一种层次路径规划方法:基于空间概念的层次路径规划的拓度语义映射 (SpCoTMHP).
  • 开发了一种全新的综合概率生成模型,在各层次层次上进行快速近似推断.
  • 利用"控制作为概率推理"的公式来支持路径规划算法.
  • 在不同的环境中使用模拟器 (SIGVerse) 和真实机器人 (丰田人类支持机器人,阿尔伯特) 进行实验.

主要成果:

  • 在基线层次路径规划方法与启发式路径成本 (HPP-I) 相比,SpCoTMHP方法表现出更好的性能.
  • 实现了更高的加权成功率 (0.590) 达到目标和通过正确的路线点.
  • 与HPP-I相比,在高级任务中显著减少了7.14秒的计算时间.
  • 成功地使用语音指令与路标来导航,例如"通过走廊进入卧室".

结论:

  • 层次空间表示方便人类和机器人之间相互理解的指令.
  • 该SpCoTMHP方法使自主移动机器人的基于语言的导航更加灵活和高效.
  • 这种方法提高了机器人的实际应用,帮助个人进行日常活动.