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

Review and Preview01:10

Review and Preview

8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
8.4K
Review and Preview01:13

Review and Preview

11.1K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.1K
Intelligence01:27

Intelligence

8.6K
The term "intelligence" is complex because it refers to both behavior and individuals, and its interpretation varies across cultures. European Americans tend to link intelligence with reasoning and cognitive skills, while in Kenya, it is tied to responsible participation in family and social life. In Uganda, intelligence is seen as the ability to know the right actions and carry them out effectively, while the Iatmul people of Papua New Guinea associate it with the capacity to remember...
8.6K
Directing Effect of Substituents: meta-Directing Groups01:09

Directing Effect of Substituents: meta-Directing Groups

5.9K
Substituents on the benzene ring that direct an incoming electrophile to undergo substitution at the meta position are called meta directors. All meta directors either have a positive charge on the atom directly bonded to the ring or a partial positive charge. These groups function by withdrawing electrons from the ring through inductive and resonance effects. Consider the carbocation intermediates formed upon the addition of an electrophile on nitrobenzene at the...
5.9K
Measures of Intelligence01:29

Measures of Intelligence

8.4K
Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this;...
8.4K
Random and Systematic Errors01:20

Random and Systematic Errors

14.8K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
14.8K

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

Prevalence and Visual Acuity Characteristics of Patients with Macular Telangiectasia.

Ophthalmology and therapy·2026
Same author

Tumor microenvironment conversion through intelligent nanomedicine: a paradigm shift in overcoming chemoresistance.

Frontiers in oncology·2026
Same author

Physics-informed machine learning for tumor microenvironment-responsive nanomedicine: Recent updates.

Seminars in oncology·2026
Same author

Visual outcome comparison of intravenous thrombolysis after central retinal artery occlusions.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·2025
Same author

Mycobacterium chimaera Choroiditis after Cardiac Surgery.

Ophthalmology. Retina·2025
Same author

One-Year Patient Survival After COVID-19-Associated Rhino-Orbital-Cerebral Mucormycosis: A Multicenter Study.

Mycopathologia·2025

相关实验视频

Updated: Jan 28, 2026

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
06:37

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention

Published on: December 15, 2023

5.3K

使用人工智能检测玻璃甲状腺疾病:系统性审查和元分析.

Zahra Heidari1,2, Masoud Mirghorbani3, Mahdi Abounoori4

  • 1Department of Ophthalmology, Bu-Ali Sina Hospital, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran. zheidar1@lakeheadu.ca.

International ophthalmology
|January 27, 2026
PubMed
概括

人工智能 (AI) 在从视网膜图像中检测视网膜疾病 (VRD) 中显示出高精度. 人工智能工具,特别是卷积神经网络 (CNN),为早期干预提供了有前途的诊断性能.

关键词:
人工智能的人工智能是人工智能.深度学习是一种深度学习.机器学习 机器学习视网膜 (retina) 是一个视网膜.视甲关节疾病 视甲关节疾病

更多相关视频

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia
04:34

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia

Published on: February 17, 2023

1.6K
Introduction of an Integrated Pathology Image Management, Artificial Intelligence, and Reporting System
05:33

Introduction of an Integrated Pathology Image Management, Artificial Intelligence, and Reporting System

Published on: July 11, 2025

846

相关实验视频

Last Updated: Jan 28, 2026

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
06:37

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention

Published on: December 15, 2023

5.3K
Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia
04:34

Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia

Published on: February 17, 2023

1.6K
Introduction of an Integrated Pathology Image Management, Artificial Intelligence, and Reporting System
05:33

Introduction of an Integrated Pathology Image Management, Artificial Intelligence, and Reporting System

Published on: July 11, 2025

846

科学领域:

  • 眼科医生 眼科 眼科
  • 医疗成像医学成像
  • 人工智能的人工智能

背景情况:

  • 早期检测玻璃甲状腺疾病 (VRDs) 对于预防视力丧失至关重要.
  • 当前检测依赖于多式联络成像的手动解释.
  • 人工智能 (AI) 为VRD早期检测和干预提供了一个有希望的方法.

研究的目的:

  • 评估和总结人工智能模型在使用视网膜成像检测VRD的诊断性能.
  • 在各种子组中评估AI在VRD检测中的准确性,灵敏性和特异性.

主要方法:

  • 进行了系统的元分析,将研究记录在PROSPERO (CRD42023450207) 中.
  • 在PubMed/MEDLINE,EMBASE和Web of Science进行了全面的文献搜索,截至2023年8月.
  • 使用QUADAS-2工具评估了研究有效性,并将符合条件的文章分为九个VRD子组进行元分析.

主要成果:

  • 包含了195项研究,产生了95.76%的整体聚合精度 (PEA) 估计.
  • 聚合灵敏度 (PESen) 为91.94%,聚合特异性 (PESpe) 为96.09%.
  • 人工智能模型,特别是卷积神经网络 (CNN),在各个子组中显示出高PEA (>90%).

结论:

  • 人工智能诊断工具,特别是CNN,在检测VRD方面表现强.
  • 在将有限的概括性研究结果应用于现实环境时,建议谨慎.
  • 建议对新兴的人工智能模型进行进一步的研究,例如用于VRD检测的大型语言模型 (LLM).