通过伪标签蒸进行类增量无监督域调整.
概括
本研究介绍了伪标签蒸持续适应 (PLDCA),以改善类增量无监督域适应 (CI-UDA). PLDCA有效地过了有偏见的源知识,并调整了域特征,以获得更好的持续学习性能.
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:
- 类增量无监督域适应 (CI-UDA) 在保持源域知识的同时,从未标记的目标域不断学习方面提出了挑战.
- 现有的CI-UDA方法往往由于偏见的源知识而遭受负面转移,导致性能不足最佳.
- 有效的域不变的知识转移和保存过去的学习对于成功的CI-UDA至关重要.
研究的目的:
- 提出一种新的CI-UDA方法,即伪标签蒸持续适应 (PLDCA),以解决现有方法的局限性.
- 通过使用目标域信息过偏见的源知识来减轻负面转移.
- 增强源域和目标域之间的特征表示对齐,以改善持续适应.
主要方法:
- PLDCA使用伪标签蒸模块来过类和实例级别的偏见源知识,利用目标域的歧视性信息.
- 使用对比对齐来减少域差异,通过对准自信目标样本的类级特征与源域.
- 不自信的目标样本的实例级特征表示被用于强大的学习.
主要成果:
- 广泛的实验验证了拟议的PLDCA方法的有效性.
- 与现有的CI-UDA技术相比,PLDCA显示出更高的性能.
- 该方法成功地解决了偏见的知识转移和域差异的问题.
结论:
- 在类增量无监督域调整中,PLDCA提供了显著的进步.
- 拟议的模块有效地过了偏见的知识,并调整了领域特征,从而改善了持续学习.
- 该方法显示了对现实世界应用的强大潜力,需要持续的域调整.
相关概念视频
Improving Translational Accuracy
10.5K
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...
10.5K
Classification of Systems-II
146
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,
146
Associative Learning
370
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...
370
Classification of Systems-I
186
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:
186
Generalization, Discrimination, and Extinction
559
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...
559
Aggregates Classification
326
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...
326


