Image I npainting by Patch P ropagation U sing P atch S parsity

Image Inpainting by Patch Propagation Using Patch Sparsity

蔡秉宸

IEEE Transactions on Image Processing Sch. of Sci., Xi'an Jiaotong Univ., Xi'an, China 

Outline» Introduction» Background» Patch sparsity    -struture sparity    -patch sparse representation» Comparision    -scatch and text removal    -object removal    -missing block completion» Conclusion

Introduction

Background

Inpainting

Diffusion-based algorithm

Examplar-based algorithm

Texture synthesis

Bertalmio

Criminisi

Wu

wong

Sparse representation

Outline» Introduction» Background» Patch sparsity    -struture sparity    -patch sparse representation» Comparision    -scatch and text removal    -object removal    -missing block completion» Conclusion

Structure sparsity

Structure sparsity

Structure sparsity

Structure sparsity

Patch sparse representation

smooth

Patch sparse representation

Patch sparse representation

Outline» Introduction» Background» Patch sparsity    -struture sparity    -patch sparse representation» Comparision    -scatch and text removal    -object removal    -missing block completion» Conclusion

scatch and text removal

Bertalmio Criminisi Wong Patch sparsity

scatch and text removal

scatch and text removal

object removalcriminisi wong Patch 

sparsity

object removal

missing block completion

Conclusion

» PROBLEM   -smooth,sharpe,consistent» NEW CHANLLENGE   -human-being  labeled