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Image Matting with Local and Nonlocal Smooth Priors Xiaowu Chen 1 , Dongqing Zou 1 , Steven ZhiYing Zhou 2,3 , Qinping Zhao 1 , Ping Tan 2 1 State Key Laboratory of Virtual Reality Technology and Systems, Beihang University 2 National University of Singapore 3 National University of Singapore (Suzhou) Research Institute

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Page 1: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Image Matting with Local and Nonlocal Smooth Priors

Xiaowu Chen1, Dongqing Zou1, Steven ZhiYing Zhou2,3 , Qinping Zhao1, Ping Tan2

1 State Key Laboratory of Virtual Reality Technology and Systems, Beihang University2 National University of Singapore

3 National University of Singapore (Suzhou) Research Institute

Page 2: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 3: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 4: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 5: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 6: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 7: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 8: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 9: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

Robust[1] Shared[2]

Original

CF[3] GS[4]CF[3] GS[4]

TrimapTrimap

EP[5] OursRobust: Robust mattingShared: Shared mattingCF: Closed-form mattingGS Gl b l S li ttiGS: Global Sampling mattingEP: Editing Propagation

Page 10: Image Matting with Local and Nonlocal Smooth Priorsvigir.missouri.edu/~gdesouza/Research/Conference_CDs/IEEE_CVPR20… · Image Matting with Local and Nonlocal Smooth Priors Xiaowu

R fReferences

[1] J. Wang and M. F. Cohen. Optimized color sampling for robust matting. In CVPR, 2007.[2] E S L Gastal and M M Oliveira Shared sampling for realtime alpha[2] E. S. L. Gastal and M. M. Oliveira. Shared sampling for realtime alpha matting. Comput. Graph. Forum, 29(2):575–584, 2010.[3] A. Levin, D. Lischinski, and Y. Weiss. A closed form solution to natural image matting. In CVPR, pages 61–68, 2006.[4] K. He, C. Rhemann, C. Rother, X. Tang, and J. Sun. A global sampling method for alpha matting In CVPR pages 2049 2056 2011method for alpha matting. In CVPR, pages 2049–2056, 2011.[5] X. Chen, D. Zou, Q. Zhao, and P. Tan. Manifold preserving edit propagation. In ACM Transaction on Graphics (Proc. of SIGGRAPH Asia), 2012.