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Efficient and Robust Color Consistency for Community Photo Collections

CVPR 2016 · Image generation › Image restoration · approach: Image harmonization and color transformation · 62 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use an L1-norm rather than an L2-norm residual in the matrix factorization (ablation)Robust low-rank color-consistency factorization · Synthetic matrices across 50–500 images, σ=0.01–0.05, and 10%–20% outliersResidual error: 2.17 / 4.73; 3.90 / 6.81; 0.93 / 2.91; 1.55 / 4.46; 0.33 / 2.19; 0.34 / 3.00; 0.26 / 1.82; 0.29 / 2.56; 3.51 / 5.65; 3.7Helped
Augment sparse matched patches with additional sampled pixels (ablation)Color transfer from sparse SIFT correspondences · Two-image color transfer exampleColor-transfer qualityHelped
Use dense NRDC correspondences instead of sparse correspondencesHaCohen et al. color-consistency method · WEDDING and ICE SKATERColor consistencyHurt
Apply the proposed robust rank-2 matrix factorization with sparse correspondencesCommunity photo collection color correction · WEDDING and ICE SKATERColor consistencyHelped

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