Zero-Shot Base-to-Novel
Generalization Benchmark

Harmonic Mean · Avg across Flowers · CUB · Pets · Cars · Aircraft

DiVE-k (Ours)

Proprietary Models

Open Methods

Average Harmonic Mean (H) — All Datasets

Harmonic Mean by Dataset

DiVE-k Improvements Over Baselines

Δ Harmonic Mean vs ViRFT and QWEN2.5 across datasets

Zero-Shot Base-to-NovelGeneralization Benchmark