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Mapillary Street-Level Sequences: A Dataset for Lifelong Place Recognition

CVPR 2020 · 3D vision › 3D generation · approach: Semantic scene completion · 227 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Train NetVLAD on the diverse MSLS dataset instead of Pittsburgh250kNetVLAD · MSLS test set, im2imrecall@5: 0.35 -> 0.58Helped
Train NetVLAD on MSLS rather than Pittsburgh250kNetVLAD + CAT · MSLS test set, seq2seqrecall@5: 0.33 -> 0.60Helped
Train NetVLAD on MSLS rather than Pittsburgh250kNetVLAD + MIN · MSLS test set, seq2imrecall@5: 0.37 -> 0.68Helped
Train NetVLAD on MSLS rather than Pittsburgh250kNetVLAD + MIN · MSLS test set, im2seqrecall@5: 0.20 -> 0.34Helped
Concatenate rather than max-pool sequence embeddings (ablation)NetVLAD · MSLS test set, seq2seqrecall@5: 0.58 -> 0.60Helped
Concatenate rather than average-pool sequence embeddings (ablation)NetVLAD · MSLS test set, seq2seqrecall@5: 0.56 -> 0.60Helped
Use max pooling rather than average pooling across GeM sequence embeddings (ablation)GeM · MSLS test set, seq2seqrecall@5: 0.42 -> 0.43No clear effect
Select the closest database image rather than the most frequent nearest image (ablation)NetVLAD sequence-to-image recognition · MSLS test set, seq2imrecall@5: 0.37 -> 0.68Helped
Select the closest database image rather than the most frequent nearest image (ablation)GeM sequence-to-image recognition · MSLS test set, seq2imrecall@5: 0.45 -> 0.47Helped
Use simple pooling strategies to model sequences (ablation)MultiViewNet variants · MSLS test set, sequence-based recognitionrecallNo clear effect

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