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A Dynamic Learning Method towards Realistic Compositional Zero-Shot Learning

AAAI 2024 · Label-efficient and robust learning › Zero-/few-shot and meta-learning · approach: Generative feature synthesis for zero-shot

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Proposes Realistic Compositional Zero-Shot Learning (RCZSL), a benchmark on re-labelled MIT-States with GAN-generated art and cartoon domains, and a dynamic visual and semantic modulator method for unseen concepts, compositions, and styles.

Problem

Compositional zero-shot learning assumes test compositions use seen attributes and objects in the same image style, but realistic test images can contain unseen concepts, compositions, and image styles simultaneously, causing domain shift.

Approach

Two dynamic modulators adapt visual features (dynamic convolution with kernel weights predicted from semantic and style statistics) and composition prototypes (attention over low-level visual features) to each input image, to mitigate domain shift from unknown factors.

Key results

Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add the visual modulator (ablation)RCZSL model · MIT-States-RCZSL, art testHM: 19.7 -> 26.8; 18.9 -> 26.2; 12.8 -> 16.0Helped
Add the semantic modulator (ablation)RCZSL model · MIT-States-RCZSL, art testHM: 19.7 -> 24.6; 18.9 -> 23.0; 12.8 -> 16.1Helped
Use both visual and semantic modulators (ablation)RCZSL model · MIT-States-RCZSL, art testHM: 19.7 -> 27.5; 18.9 -> 27.1; 12.8 -> 16.7Helped
Add the visual modulator (ablation)RCZSL model · MIT-States-RCZSL, cartoon testHM: 21.0 -> 26.4; 18.8 -> 25.2; 17.0 -> 19.8Helped
Add the semantic modulator (ablation)RCZSL model · MIT-States-RCZSL, cartoon testHM: 21.0 -> 23.6; 18.8 -> 22.8; 17.0 -> 18.1Helped
Use both visual and semantic modulators (ablation)RCZSL model · MIT-States-RCZSL, cartoon testHM: 21.0 -> 26.5; 18.8 -> 25.2; 17.0 -> 20.7Helped
Use the dynamic method instead of CANetCZSL model (ResNet18 + GloVe) · MIT-StatesHM: 17.9 -> 19.2Helped
Use the dynamic method instead of CANetCZSL model (ResNet18 + GloVe) · UT-ZapposHM: 47.3 -> 52.1Helped
Use the dynamic method instead of CANetCZSL model (ResNet18 + GloVe) · C-GQAHM: 14.5 -> 14.8Helped
Use the semantic modulator with CLIPCLIP-based CZSL model · MIT-StatesHM: 36.3 -> 37.4Helped
Use the semantic modulator with CLIPCLIP-based CZSL model · UT-ZapposHM: 46.6 -> 52.0Helped
Use the semantic modulator with CLIPCLIP-based CZSL model · C-GQAHM: 20.5 -> 21.9Helped

Limitations

Experimental setup

Datasets: MIT-States UT-Zappos C-GQA

Benchmarks: MIT-States UT-Zappos C-GQA MIT-States-RCZSL

Metrics: AUC harmonic mean seen accuracy unseen accuracy

Baselines: Attop LabelEmbed+ TMN SymNet CompCos CGE Co-CGE DeCa SCEN SCD CANet CLIP

Builds on: CLIP CSP Compositional Zero-Shot Learning baselines (CompCos/SCEN) CycleGAN Object Conditioned Network (OCN)

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