Adaptive set-level metric for few-Shot image classification

Area of Science:

• Computer Science
• Artificial Intelligence
• Machine Learning

Background:

• Few-shot image classification is crucial for learning from limited data.
• Existing methods struggle with differentiating visually similar categories or dissimilar instances within the same category.

Purpose of the Study:

• To enhance few-shot image classification accuracy by addressing challenges in differentiating between support and query samples.
• To develop a robust method capable of handling appearance variations and similarities across image categories.

Main Methods:

• Representing images using sets of feature embeddings to capture richer information from different views.
• Employing a set-based metric approach with dynamic self-adapting weights for similarity measurement.
• Integrating primitive knowledge, such as class-level attributes, to refine weight adaptation.

Main Results:

• Achieved state-of-the-art performance on miniImageNet, tieredImageNet, and CUB datasets.
• Demonstrated significant performance improvements over competing methods (0.62%, 1.69%, and 1.09% respectively).
• Validated the effectiveness of set-based representations and dynamic weighting with primitive knowledge.

Conclusions:

• The proposed method effectively improves few-shot image classification by utilizing richer image representations and adaptive similarity metrics.
• Incorporating external knowledge enhances the robustness and accuracy of the classification process.
• The approach offers a promising direction for future research in low-data regime learning.