CDN4: A cross-view Deep Nearest Neighbor Neural Network for fine-grained few-shot classification

Xiaoxu Li, Shuo Ding, Jiyang Xie, Xiaochen Yang, Zhanyu Ma, Jing-Hao Xue

Abstract: Highlights•A novel fine-grained FSL method for improving local feature discriminativeness.•Construct the Episodic Dual-Branch Structure to enhance sample diversity.•Exploit four cross-view metric pairs to enforce learning of discriminative features.•CDN4 achieves state-of-the-art performance on three fine-grained benchmark datasets.