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Meta Compositional Referring Expression Segmentation

CVPR 2023 · Detection and segmentation › Open-set and few-shot detection · approach: Interactive and referring segmentation · 25 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Apply MCRES meta-training to LAVTLAVT · RefCOCO, RefCOCO+, and RefCOCOg test splitsoverall IoU: RefCOCO val 72.73 -> 74.92; testA 75.82 -> 76.98; testB 68.79 -> 70.84; RefCOCO+ val 62.14 -> 64.32; testA 68.38 -> 69.6Helped
Apply MCRES meta-trainingMCN, SeqTR, and LAVT · RefCOCO Novel subsetsoverall IoU: MCN val 53.17 -> 57.38; testA 55.43 -> 59.66; testB 50.64 -> 55.87; SeqTR val 64.24 -> 67.31; testA 65.71 -> 69.48; testHelped
Omit the word-word virtual testing set (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 73.43 -> 74.92Hurt
Omit the word-phrase virtual testing set (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 73.68 -> 74.92Hurt
Omit the phrase-phrase virtual testing set (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 73.59 -> 74.92Hurt
Use meta optimization instead of conventional non-meta training (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 72.76 -> 74.92Helped
Use separate virtual testing sets for each composition level instead of one combined set (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 73.64 -> 74.92Helped
Add curriculum learning over composition levels (ablation)LAVT + MCRES with multiple virtual testing sets · RefCOCO valoverall IoU: 74.02 -> 74.92Helped
Change virtual training/testing data ratio to 50%:50% (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 74.78 vs. 74.92No clear effect
Change virtual training/testing data ratio to 70%:30% (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 74.74 vs. 74.92No clear effect
Select virtual testing samples randomly rather than for novel compositions (ablation)LAVT + MCRES · RefCOCO valoverall IoU: 72.81 -> 74.92Hurt
Give the baseline additional gradient updates without MCRES (ablation)LAVT baseline · RefCOCO valoverall IoU: 72.73 -> 72.74No clear effect

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