Image Restoration and Object Removal Using Prioritized Adaptive Patch-Based Inpainting in a Wavelet Domain


Rajesh P. Borole, Sanjiv V. Bonde, Journal of Information Processing Systems Vol. 13, No. 5, pp. 1183-1202, Oct. 2017  

10.3745/JIPS.02.0031
Keywords: image inpainting, Object Removal, Region Filling, Texture and Structure Propagation, Wavelet Inpainting
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Abstract

Image restoration has been carried out by texture synthesis mostly for large regions and inpainting algorithms for small cracks in images. In this paper, we propose a new approach that allows for the simultaneous fill-in of different structures and textures by processing in a wavelet domain. A combination of structure inpainting and patch-based texture synthesis is carried out, which is known as patch-based inpainting, for filling and updating the target region. The wavelet transform is used for its very good multiresolution capabilities. The proposed algorithm uses the wavelet domain subbands to resolve the structure and texture components in smooth approximation and high frequency structural details. The subbands are processed separately by the prioritized patch-based inpainting with isophote energy driven texture synthesis at the core. The algorithm automatically estimates the wavelet coefficients of the target regions of various subbands using optimized patches from the surrounding DWT coefficients. The suggested performance improvement drastically improves execution speed over the existing algorithm. The proposed patch optimization strategy improves the quality of the fill. The fill-in is done with higher priority to structures and isophotes arriving at target boundaries. The effectiveness of the algorithm is demonstrated with natural and textured images with varying textural complexions.


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Cite this article
[APA Style]
Rajesh P. Borole and Sanjiv V. Bonde (2017). Image Restoration and Object Removal Using Prioritized Adaptive Patch-Based Inpainting in a Wavelet Domain. Journal of Information Processing Systems, 13(5), 1183-1202. DOI: 10.3745/JIPS.02.0031.

[IEEE Style]
R. P. Borole and S. V. Bonde, "Image Restoration and Object Removal Using Prioritized Adaptive Patch-Based Inpainting in a Wavelet Domain," Journal of Information Processing Systems, vol. 13, no. 5, pp. 1183-1202, 2017. DOI: 10.3745/JIPS.02.0031.

[ACM Style]
Rajesh P. Borole and Sanjiv V. Bonde. 2017. Image Restoration and Object Removal Using Prioritized Adaptive Patch-Based Inpainting in a Wavelet Domain. Journal of Information Processing Systems, 13, 5, (2017), 1183-1202. DOI: 10.3745/JIPS.02.0031.