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Through the Looking Glass: Neural 3D Reconstruction of Transparent Shapes

CVPR 2020 · 3D vision › Depth and stereo · approach: Neural light field and illumination imaging · 84 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
replace the visual hull with the full reconstruction pipelinetransparent shape reconstruction · Synthetic, 10 viewsCD($10^{-4}$): 5.14 -> 2.00Helped
replace the visual hull with the full reconstruction pipelinetransparent shape reconstruction · Synthetic, 5 viewsCD($10^{-4}$): 31.7 -> 6.30Helped
replace the visual hull with the full reconstruction pipelinetransparent shape reconstruction · Synthetic, 20 viewsCD($10^{-4}$): 2.23 -> 1.20Helped
replace the visual hull with the full reconstruction pipelinetransparent shape reconstruction · Real transparent objects, meanCD($10^{-4}$): 4.97 -> 4.00Helped
add rendering-error map and total-reflection mask inputs (ablation)normal reconstruction · Synthetic, 10 viewsN^1 median ($^\circ$): 3.5 -> 3.5No clear effect
add the cost volume (ablation)normal reconstruction · Synthetic, 10 viewsN^1 median ($^\circ$): 3.5 -> 3.4Helped
optimize the encoder latent vector using rendering error (ablation)normal reconstruction · Synthetic, 10 viewsRender Err.($10^{-2}$): 4.4 -> 2.9Helped
use Chamfer distance loss instead of nearest-point L2 loss (ablation)point-cloud reconstruction · Synthetic, 10 viewsCD($10^{-4}$): 2.17 -> 2.00Helped
use Chamfer distance loss instead of view-dependent L2 loss (ablation)point-cloud reconstruction · Synthetic, 10 viewsCD($10^{-4}$): 2.15 -> 2.00Helped
select views by rendering error rather than nearest-view selection (ablation)point-cloud feature mapping · Synthetic, 10 viewsCD($10^{-4}$): 2.04 -> 2.00Helped
select views by rendering error rather than average feature fusion (ablation)point-cloud feature mapping · Synthetic, 10 viewsCD($10^{-4}$): 2.03 -> 2.00Helped
use average-pooling instead of max-pooling (ablation)PointNet++ point-cloud refinement · Synthetic, 10 viewsCD($10^{-4}$): 2.09 -> 2.00Helped

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