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Research map / 3D vision / Depth and stereo

A Multi-Hypothesis Approach to Color Constancy

CVPR 2020 · 3D vision › Depth and stereo · approach: Snapshot hyperspectral imaging · 50 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Train one model using multiple device datasets instead of one model per deviceOurs · NUS multi-device foldsmedian angular error: 1.48 -> 1.33Helped
Pretrain on NUS and Cube+Ours · Gehler-Shimedian angular error: 1.43 -> 1.32Helped
Pretrain on Gehler-Shi and Cube+Ours · NUSmedian angular error: 1.61 -> 1.55Helped
Use 120 rather than 5 K-means candidates (ablation)Ours · Gehler-Shimedian angular error: 2.06 -> 1.32Helped
Increase K-means candidates from 120 to 150 (ablation)Ours · Gehler-Shimedian angular error: 1.32 -> 1.33No clear effect
Increase K-means candidates from 120 to 200 (ablation)Ours · Gehler-Shimedian angular error: 1.32 -> 1.39Hurt
Use 120 rather than 5 K-means candidates (ablation)Ours · Cube challenge, novel sensormedian angular error: 1.71 -> 1.31Helped
Increase K-means candidates from 120 to 150 (ablation)Ours · Cube challenge, novel sensormedian angular error: 1.31 -> 1.32No clear effect
Replace K-means candidates with uniform sampling (ablation)Ours · Cube challengemedian angular error: 1.06 -> 1.20Hurt
Replace K-means candidates with GMM sampling (ablation)Ours · Cube challengemedian angular error: 1.06 -> 1.10Hurt

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