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Dual Progressive Prototype Network for Generalized Zero-Shot Learning

NeurIPS 2021 · Label-efficient and robust learning › Zero-/few-shot and meta-learning · approach: Generative feature synthesis for zero-shot · 22 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add PCC to Base-V2S (ablation)Base-V2S · CUBH: 63.2 -> 64.3Helped
Add PCC to Base-V2S (ablation)Base-V2S · aPYH: 35.5 -> 40.2Helped
Add PAL to Base-V2S (ablation)Base-V2S · CUBH: 63.2 -> 68.1Helped
Add PAL to Base-V2S (ablation)Base-V2S · aPYH: 35.5 -> 41.8Helped
Combine PCC and PAL, and increase K from 1 to 3 (ablation)DPPN · CUBH: 70.3 -> 73.5Helped
Combine PCC and PAL, and increase K from 1 to 3 (ablation)DPPN · aPYH: 44.4 -> 48.4Helped
Increase prototype update iterations K from 1 to 3 (ablation)DPPN · CUB, AWA2, aPY, SUNHHelped
Set K above 3 (ablation)DPPN · GZSL benchmarksHHurt
Remove prototype refinement function f_ar (ablation)DPPN · CUBH: 73.5 -> 72.4Hurt
Remove prototype refinement function f_ar (ablation)DPPN · aPYH: 48.4 -> 45.5Hurt
Replace concatenation with sum pooling (ablation)DPPN · CUBH: 73.5 -> 68.7Hurt
Replace concatenation with sum pooling (ablation)DPPN · aPYH: 48.4 -> 45.2Hurt

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