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

Generalization, Discrimination, and Extinction01:24

Generalization, Discrimination, and Extinction

557
Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...
557
Improving Translational Accuracy02:07

Improving Translational Accuracy

10.4K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
10.4K
Associative Learning01:27

Associative Learning

362
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
362
Weak Base Solutions03:21

Weak Base Solutions

22.7K
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...
22.7K
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

106
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
106
Uniform Distribution01:19

Uniform Distribution

5.0K
The uniform distribution is a continuous probability distribution of events with an equal probability of occurrence. This distribution is rectangular.
Two essential properties of this distribution are
5.0K

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

Ultrastructural changes in cryopreserved tracheal grafts of sprague-dawley rats.

ASAIO journal (American Society for Artificial Internal Organs : 1992)·2009
Same author

Facile synthesis of size-tunable micro-octahedra via metal-organic coordination.

Chemical communications (Cambridge, England)·2009
Same author

N-acetyl cysteine and penicillamine induce apoptosis via the ER stress response-signaling pathway.

Molecular carcinogenesis·2009
Same author

Targeting glucosylceramide synthase downregulates expression of the multidrug resistance gene MDR1 and sensitizes breast carcinoma cells to anticancer drugs.

Breast cancer research and treatment·2009
Same author

N-glycosylation of ATF6beta is essential for its proteolytic cleavage and transcriptional repressor function to ATF6alpha.

Journal of cellular biochemistry·2009
Same author

A humanized anti-osteopontin antibody inhibits breast cancer growth and metastasis in vivo.

Cancer immunology, immunotherapy : CII·2009

相关实验视频

Updated: Jul 4, 2025

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
03:14

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

Published on: December 6, 2024

561

普遍且可扩展的弱监督域名适应

Xuan Liu, Ying Huang, Hao Wang

    IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
    |February 8, 2024
    PubMed
    概括
    此摘要是机器生成的。

    本研究介绍了PDCAS,这是一种新的弱监督域适应方法,可以处理噪音数据而不需要知道噪音率. 它还扩展到MSPDCAS的多源场景,改善域调整性能.

    更多相关视频

    Author Spotlight: AI-Driven Trypanosome Species Detection from Microscopic Images
    08:20

    Author Spotlight: AI-Driven Trypanosome Species Detection from Microscopic Images

    Published on: October 27, 2023

    1.5K
    Deep Neural Networks for Image-Based Dietary Assessment
    13:19

    Deep Neural Networks for Image-Based Dietary Assessment

    Published on: March 13, 2021

    9.2K

    相关实验视频

    Last Updated: Jul 4, 2025

    Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
    03:14

    Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

    Published on: December 6, 2024

    561
    Author Spotlight: AI-Driven Trypanosome Species Detection from Microscopic Images
    08:20

    Author Spotlight: AI-Driven Trypanosome Species Detection from Microscopic Images

    Published on: October 27, 2023

    1.5K
    Deep Neural Networks for Image-Based Dietary Assessment
    13:19

    Deep Neural Networks for Image-Based Dietary Assessment

    Published on: March 13, 2021

    9.2K

    科学领域:

    • 机器学习 机器学习
    • 计算机视觉 计算机视觉
    • 人工智能的人工智能

    背景情况:

    • 域名适应旨在将知识从标记的源域转移到未标记的目标域.
    • 现实世界的数据往往含有噪音,需要弱监督域适应 (WSDA) 方法.
    • 现有的WSDA方法需要事先了解噪声率,这限制了实际应用.

    研究的目的:

    • 开发一种通用且可扩展的WSDA方法,不需要事先了解噪声率.
    • 在多源场景中解决单源领域适应的局限性.
    • 在有噪音数据的情况下,提高域调整的稳定性和有效性.

    主要方法:

    • 建议PDCAS有两个阶段:渐进蒸和域调整.
    • 渐进蒸反复提炼无监督的噪音源样本.
    • 域调整使用类调整采样来平衡源域和目标域样本以及全球特征分布.

    主要成果:

    • 在源域中,PDCAS有效处理标签和特征噪音.
    • 拟议的MSPDCAS证明了多源噪音域适应的可扩展性.
    • 在Office-31和Office-Home数据集上的实验表明,与最先进的方法相比,性能优越.

    结论:

    • 对于弱监督的域调整,PDCAS提供了一个强大的和可通用的解决方案.
    • 该框架的可扩展性通过其扩展到多源设置来验证.
    • 该方法在杂的现实环境中显著提高了域调整准确性和稳定性.