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Cross-Image-Attention for Conditional Embeddings in Deep Metric Learning

CVPR 2023 · Image generation › Autoregressive and latent generation · approach: Retrieval and matching with generative features · 8 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
train with cross-attention conditional embeddings, then use unconditional embeddings at inferenceResNet-50 DML with multi-similarity loss · CUB200-2011 testRecall@1: 70.6 -> 74.6Helped
train with cross-attention conditional embeddings, then use unconditional embeddings at inferenceResNet-50 DML with multi-similarity loss · CARS196 testRecall@1: 90.1 -> 91.2Helped
train with cross-attention conditional embeddings, then use unconditional embeddings at inferenceResNet-50 DML with multi-similarity loss · SOP testRecall@1: 81.4 -> 82.3Helped
use conditional similarities s2 instead of unconditional s0 at inference (ablation)Cross-Image-Attention · CUB200-2011 testR@1: 74.6 -> 74.8No clear effect
use later conditional similarities s4, s6, or s8 instead of unconditional s0 at inference (ablation)Cross-Image-Attention · CUB200-2011 testR@1: 74.6 -> 74.1; 74.6 -> 73.9; 74.6 -> 74.0Hurt
use conditional similarities s2 instead of unconditional s0 at inference (ablation)Cross-Image-Attention · CARS196 testR@1: 91.2 -> 91.3No clear effect
use later conditional similarities s4, s6, or s8 instead of unconditional s0 at inference (ablation)Cross-Image-Attention · CARS196 testR@1: 91.2 -> 91.0; 91.2 -> 91.1; 91.2 -> 89.9No clear effect
increase the number of cross-attention blocks from 0 to multiple blocks (ablation)Cross-Image-Attention · CUB200-2011 and CARS196 testR@1: 66.4; 67.7; 70.2; 71.9; 72.2; 72.1; 74.6; 74.8; 74.1; 73.9; 74.0; 74.2; 74.3; 72.7; 72.8; 84.9; 86.7; 87.1; 89.0; 89.3; Helped
replace the ResNet-50 encoder with ResNet-101 without cross-attention (ablation)Multi-similarity DML · CUB200 and CARS196 testR@1: 67.4% and 83.7% respectively; our model reaches 74.6% and 91.2%Hurt

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