[IPOL discuss] [IPOL announce] new article: Poisson Image Editing

[announcements about the IPOL journal]

A new article is available in IPOL: http://www.ipol.im/pub/art/2016/163/

J. Matías Di Martino, Gabriele Facciolo, and Enric Meinhardt-Llopis,
Poisson Image Editing,
Image Processing On Line, 6 (2016), pp. 300–325.
https://doi.org/10.5201/ipol.2016.163

Abstract
The gradient of images can be directly edited to perform useful 
operations; this is called gradient- based image processing or Poisson 
editing. For example operations such as seamless cloning, contrast 
enhancement, texture flattening or seamless tiling can be performed in a 
very simple and efficient way by combining/modifying the image 
gradients. In the present work we will describe the Poisson image 
editing method, and review the contributions that have been made since 
it was proposed in 2003. In addition the integration problem will be 
discussed and analyzed, both from the theoretical and numerical points 
of view. Two different numerical implementations will be discussed, the 
first one uses discrete versions of differential operators to convert 
the problem into a sparse linear system of equations, while the second 
one is based on Fourier transform properties.




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