HDFLStyler:为无源代码域概括的层次域不变特征学习
Deqian Mao1, Shanshan Gao2, Faqiang Huang1
1School of Computing and Artificial Intelligence, Shandong University of Finance and Economics, Jinan, 250014, China.
概括
本研究介绍了HDFLStyler用于无源域泛化,通过从文本提示生成多种风格并学习域不变特征来提高分类准确性. 实验表明在没有源数据的情况下将模型推广到新领域的表现非常出色.
科学领域:
- 计算机科学 计算机科学
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 无源域泛化 (SFDG) 旨在开发可适应新领域的模型,而无需访问原始培训数据.
- 当前的SFDG方法通常依赖于视觉语言模型和文本提示以提取风格特征,面临着在生成多样化的风格和学习域不变特征方面的挑战.
研究的目的:
- 提出一种新的层次域不变特征学习方法 (HDFLStyler),以提高SFDG的分类准确性.
- 为了应对仅仅从文本提示和学习强大的域不变特征生成多种风格的挑战.
主要方法:
- 开发了一个多样化的风格生成模块,使用随机分布调整和自适应混合策略.
- 实现了一个域不变的特征学习组件,结合了全球和本地特征提取.
- 引入了一个域不变的一致性损失来增强特征学习.
主要成果:
- 在SFDG任务中,HDFLStyler表现出卓越的分类性能.
- 该方法有效地生成多种风格,并从文本提示中学习域不变的特征.
- 广泛的实验验证了拟议方法的有效性.
结论:
- HDFLStyler通过改善风格多样性和域不变特征学习,为SFDG提供了有效的解决方案.
- 拟议的方法增强了模型概括能力,而不需要源域数据.
- 这项工作有助于通过创新的风格生成和特征学习策略来推进SFDG技术.
相关概念视频
Generalization, Discrimination, and Extinction
1.3K
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...
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...
1.3K
Survival Tree
389
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
389
Introduction to Learning
961
Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
961
Associative Learning
1.3K
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...
Classical conditioning, also known...
1.3K
Classification of Systems-I
552
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
552
Classification of Systems-II
460
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
460

