Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Weak Base Solutions03:21

Weak Base Solutions

25.1K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
25.1K
Gaussian Elimination: Problem Solving01:30

Gaussian Elimination: Problem Solving

183
Systems of linear equations in several variables are pivotal in modeling complex scenarios involving multiple unknowns and constraints. Such systems are widely used in various fields to represent relationships where several conditions must be simultaneously satisfied. Each variable in the system corresponds to an unknown quantity, while each equation imposes a linear constraint, leading to a structured approach for analyzing and solving real-world problems.A system of three equations with three...
183
Weak Acid Solutions04:02

Weak Acid Solutions

43.0K
Few compounds act as strong acids. A far greater number of compounds behave as weak acids and only partially react with water, leaving a large majority of dissolved molecules in their original form and generating a relatively small amount of hydronium ions. Weak acids are commonly encountered in nature, being the substances partly responsible for the tangy taste of citrus fruits, the stinging sensation of insect bites, and the unpleasant smells associated with body odor. A familiar example of a...
43.0K
Nuclear Fusion02:45

Nuclear Fusion

33.8K
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons.
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
33.8K
Network Covalent Solids02:18

Network Covalent Solids

16.1K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.1K
Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

401
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in...
401

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

SLR-Net: Lightweight and Accurate Detection of Weak Small Objects in Satellite Laser Ranging Imagery.

Sensors (Basel, Switzerland)·2026
Same author

MEAC: A Multi-Scale Edge-Aware Convolution Module for Robust Infrared Small-Target Detection.

Sensors (Basel, Switzerland)·2025
Same author

An efficient real-time signal processing method for satellite laser ranging.

PloS one·2024
Same author

Establishment and characterization of a new human acute myelocytic leukemia cell line SH-2 with a loss of Y chromosome, a derivative chromosome 16 resulting from an unbalanced translocation between chromosomes 16 and 17, monosomy 17, trisomy 19, and p53 alteration.

Experimental hematology·2008
Same author

Sleeve gastrectomy relieves steatohepatitis in high-fat-diet-induced obese rats.

Obesity surgery·2008
Same author

Aspergillus pneumonia in renal transplant recipients.

Chinese medical journal·2008

相关实验视频

Updated: Jan 29, 2026

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

1.1K

GMF-Net:一个高斯匹配的融合网络,用于在卫星激光测距图像中检测弱小物体.

Wei Zhu1,2, Weiming Gong1,2, Yong Wang3

  • 1Institute of Seismology, China Earthquake Administration, Wuhan 430071, China.

Sensors (Basel, Switzerland)
|January 28, 2026
PubMed
概括

在卫星激光测距 (SLR) 图像中检测小物体是高斯匹配融合网络 (GMF-Net) 改进的. 这种轻量级模型增强了特征提取,并减少了用于精确SLR目标检测的计算负载.

关键词:
在GMF-Net中使用GMF-Net.斯匹配卷积的高斯式匹配卷积轻量级网络轻量级的网络.卫星激光测距 (SLR) 是一个小物体检测 小物体检测

更多相关视频

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression
11:04

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression

Published on: November 30, 2015

13.9K
Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

6.3K

相关实验视频

Last Updated: Jan 29, 2026

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

1.1K
Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression
11:04

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression

Published on: November 30, 2015

13.9K
Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

6.3K

科学领域:

  • 遥感 遥感 遥感 遥感
  • 计算机视觉 计算机视觉
  • 信号处理 信号处理

背景情况:

  • 卫星激光测距 (SLR) 图像分析面临着由于低信号噪声比率和复杂的背景而导致小物体检测的挑战.
  • 目前的检测框架表现出高的计算成本和微小目标的不充分的特征提取.

研究的目的:

  • 为SLR场景开发一种轻量级,高精度的物体探测器,解决现有方法的局限性.
  • 引入一种新的高斯匹配卷积 (GMConv) 模块,用于增强特征提取和噪声抑制.

主要方法:

  • 提出了高斯匹配的聚变网络 (GMF-Net),其中包括GMConv,用于精确的目标能量匹配.
  • 集成的跨阶段部分金字塔卷积 (CSPPC) 以最大限度地减少参数和跨特征注意力 (CFA) 以实现多级特征集成.
  • 构建了第一个专门的SLR-CCD数据集用于方法验证.

主要成果:

  • 在SLR-CCD数据集上,GMF-Net实现了93.1%的mAP@50和52.4%的mAP@50-95.
  • 与基线模型相比,模型参数减少了26.6% (至2.2M),计算负载减少了27.4%.
  • 在检测准确度和计算效率之间取得了卓越的平衡.

结论:

  • 在小型物体检测的自动化单反相机系统中,GMF-Net提供了显著的进步.
  • 拟议的GMConv模块有效地增强了中心功能响应,同时减轻了背景噪声.
  • 对于关键的单反相机应用,GMF-Net提供了一个高效准确的解决方案.