适应性中间集群用于半监督的域名适应
概括
半监督域调整 (SSDA) 改进了使用有限目标数据的模型. 我们基于图形的自适应区间集群 (G-ABC) 方法增强了跨域语义对齐,以获得更好的分类性能.
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:
- 半监督域调整 (SSDA) 使用稀缺的标记目标数据来提高模型性能和概括性.
- 由于目标域标签信息有限,现有的SSDA方法难以实现语义对齐.
研究的目的:
- 引入一种新的SSDA方法,即基于图形的自适应区间集群 (G-ABC),以实现有效的分类域对齐.
- 通过将知识从标记的源和目标数据转移到未标记的目标样本,实现跨领域的语义对齐.
主要方法:
- 构建一个异质图表,表示跨域标记和未标记样本之间的关系.
- 使用基于信心不确定性的节点移除和基于不相似性的预测边缘修剪来完善图形连接.
- 通过跨域和域内集群来实现语义传输,采用自适应式中间集群.
主要成果:
- 与最先进的SSDA方法相比,提出的G-ABC方法取得了更高的性能.
- 在DomainNet,Office-Home和Office-31数据集上的实验验证实了G-ABC的有效性.
结论:
- 在SSDA中,G-ABC成功地解决了语义转移的挑战.
- 该方法在分类性能和概括能力方面取得了显著的改进.
更多相关视频
12:27Large-scale Reconstructions and Independent, Unbiased Clustering Based on Morphological Metrics to Classify Neurons in Selective Populations
Published on: February 15, 2017
7.0K
07:35Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances
Published on: October 11, 2018
7.5K
相关概念视频
Survival Tree
105
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...
105
Associative Learning
428
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...
428
Cluster Sampling Method
12.0K
Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
12.0K
Aggregates Classification
340
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
340
Two-Way ANOVA
2.7K
The two-way ANOVA is an extension of the one-way ANOVA. It is a statistical test performed on three or more samples categorized by two factors - a row factor and a column factor. Ronald Fischer mentioned it in 1925 in his book 'Statistical Methods for Researchers.'
The two-way ANOVA analysis initially begins by stating the null hypothesis that there is an interaction effect between the two factors of a dataset. This effect can be visualized using line segments formed by joining the...
The two-way ANOVA analysis initially begins by stating the null hypothesis that there is an interaction effect between the two factors of a dataset. This effect can be visualized using line segments formed by joining the...
2.7K
Multi-input and Multi-variable systems
122
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...
In the absence...
122
