基于可转移的语义对齐和类相关性的子域适应方法
Qian Han1, Jinfu Lao2, Jinyong Zhang1
1Department of Computer Engineering, Maoming Polytechnic, Maoming, China.
Frontiers in neurorobotics
|January 21, 2026
概括
这项研究引入了一个用于深度无监督域调整的新框架,通过对各域的语义特征进行对齐来提高分类准确性. 该方法有效地减少了域移动,并提高了识别性能,而不会增加复杂性.
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:
- 深度无监督域适应 (UDA) 面临由于域转移的挑战.
- 现有的方法经常在精确的跨域语义对齐方面扎.
研究的目的:
- 为UDA提出一个子域适应框架.
- 为了提高跨领域的语义对齐和分类准确性.
主要方法:
- 一个共同的子域分布对齐机制,以减少类内分歧和扩大类间差异.
- 一个域自适应的语义一致性损失,用于聚类相似样本和分离不相似的样本.
- 基于温度的标签光滑和类相关矩阵,以提高伪标签质量和利用类间关系.
主要成果:
- 与现有方法相比,拟议的方法在多个公共数据集上实现了更高的平均分类准确性.
- 证明了语义对齐和类相关性建模在缓解域移动方面的有效性.
结论:
- 该框架通过建模类内连贯性和类间区别,有效地缓解域转移.
- 在目标域中增强语义对齐和识别性能,而无需额外的架构复杂性.
- 为深度无监督域调整提供了强大的解决方案.
相关概念视频
Correlations
35.8K
Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
35.8K
Correlation and Causation
42.1K
Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
42.1K
Correlation
14.8K
In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
Two variables, for example, a and b, are said to be positively correlated if both variables move in the same direction. In other words, a positive correlation exists between two variables, a and b, if:
Two variables, for example, a and b, are said to be positively correlated if both variables move in the same direction. In other words, a positive correlation exists between two variables, a and b, if:
14.8K
Drug Classes and Categories
3.0K
Drugs can be classified according to their chemical composition or their intended therapeutic application. For instance, anti-infective agents that possess the ability to eliminate pathogens or suppress their growth and reproduction can be grouped based on the organisms they target or their chemical structure. Furthermore, drugs can be divided into prescription, nonprescription, or controlled substances. Prescription medications, such as antibiotics, require oversight from a licensed healthcare...
3.0K
Antibody Structure and Classes
8.4K
Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
The basic structure of an antibody consists of four protein chains: two identical heavy chains and two identical light chains. These chains are held together by disulfide bonds and other non-covalent interactions, forming a Y-shaped structure.
The basic structure of an antibody consists of four protein chains: two identical heavy chains and two identical light chains. These chains are held together by disulfide bonds and other non-covalent interactions, forming a Y-shaped structure.
8.4K
Design Example: Alignment of a Road Line Using GIS
339
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
339


