利用混合调整为多源域调整的混合调整
概括
这项研究介绍了MDAMA,一种用于多源域适应 (MDA) 的新型对抗性学习算法. MDAMA有效地将多个源域与目标域对齐,改善知识传输,并在基准数据集上实现最高性能.
科学领域:
- 机器学习 机器学习
- 人工智能的人工智能
- 计算机视觉 计算机视觉
背景情况:
- 传统域调整 (DA) 通常涉及一个源域和一个目标域.
- 现实世界的应用程序通常需要从多个来源转移知识到一个单一的目标,这个问题被称为多源域调整 (MDA).
- 现有的基于对抗的MDA方法面临局限性,包括需要对分类器有意识的指标和对目标样本一致性和语义信息的考虑不足.
研究的目的:
- 提出一种新的对抗性学习算法MDAMA,以应对多源域适应 (MDA) 的挑战.
- 通过将目标域与多个源域的混合分布对齐来增强知识转移.
- 通过增强的域调整,目标样本一致性和语义信息传输来提高目标域性能.
主要方法:
- MDAMA使用对抗式学习框架从多个来源转移知识到目标领域.
- 该算法使用基于边际的差异和增强的中间分布来实现有效的域调整.
- 通过信任值来实现目标样本的一致性,并将语义信息从源传输到增强目标域.
主要成果:
- MDAMA 证明了目标域与源域混合的有效对齐.
- 提出的方法成功地结合了目标样本的一致性和语义信息传输.
- 在基准数据集 (OfficeHome,Office31,PACS,Office-Caltech,DomainNet) 上进行了广泛的实验,显示出最高的性能.
结论:
- 通过解决以前对抗方法的局限性,MDAMA为多源域适应 (MDA) 提供了一个强大的解决方案.
- 该算法有效地将知识从多个来源转移到目标域,提高性能.
- 在广泛使用的MDA基准数据集上,MDAMA取得了最先进的结果.
相关概念视频
02:07Improving Translational Accuracy
2.5K
2.5K
01:22Multi-input and Multi-variable systems
93
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...
93
01:12Differential Leveling
115
Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
115
00:56Extraction: Advanced Methods
398
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
398
01:14Extraction: Partition and Distribution Coefficients
1.7K
The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
For extracting a solute from an aqueous phase into an...
For extracting a solute from an aqueous phase into an...
1.7K
01:25The Anchoring-and-Adjustment Heuristic
7.2K
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
7.2K