GLC++:通过全球-本地聚类和对比的亲和学习来实现源代码免费的通用域调整
IEEE transactions on pattern analysis and machine intelligence
|August 12, 2025
概括
本研究介绍了源代码免费通用域调整 (SF-UniDA),以改进面临数据转移的深度学习模型. 新的方法,全球和本地聚类 (GLC) 和GLC++,提高了已知和未知数据类别的分类.
科学领域:
- 人工智能的人工智能
- 机器学习 机器学习
- 计算机视觉 计算机视觉
背景情况:
- 深度神经网络与共变量和类别转移作斗争,影响性能.
- 无源域调整 (SFDA) 提供解决方案,但通常仅限于封闭的场景.
- 现有的方法在开放式场景中无法有效区分已知和未知数据类别.
研究的目的:
- 探索无源通用域调整 (SF-UniDA) 以分类已知和未知数据的类别转移.
- 提出新的集群技术,以提高模型稳定性和域调整中的准确性.
- 加强对不同未知类别的识别和聚类.
主要方法:
- 开发了全球和本地集群 (GLC),具有适应性全球集群和本地k-NN,以减轻负面转移.
- 引入了GLC++的演变,它结合了对比的亲和学习来改进未知类别的识别.
- 在各种类别转移场景中对多个基准进行了GLC和GLC++的评估.
主要成果:
- 在具有挑战性的开放部分集场景中,GLC和GLC++表现出卓越的性能,超过了GATE等现有方法.
- 与GLC相比,GLC++显著提高了与GLC相比,在开放场景中的新类别集群精度.
- 综合对比学习策略提高了GLC和其他现有领域适应方法的性能.
结论:
- SF-UniDA,特别是GLC和GLC++,为面临领域和类别转变的深度学习模型提供了强大的解决方案.
- 提出的方法有效地处理已知和未知数据类别,提高整体模型的适应性.
- 对比式学习集成为推进无源代码域适应技术提供了一个有希望的方向.
更多相关视频
08:05Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
Published on: June 30, 2020
7.7K
12:27Large-scale Reconstructions and Independent, Unbiased Clustering Based on Morphological Metrics to Classify Neurons in Selective Populations
Published on: February 15, 2017
7.1K
相关概念视频
Associative Learning
575
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...
575
Generalization, Discrimination, and Extinction
788
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...
788
Introduction to Learning
532
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...
532
Improving Translational Accuracy
2.7K
2.7K
Conservation of Protein Domains Over Different Proteins
11.4K
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
11.4K
Observational Learning
312
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
312
