Detection and Inpainting of Facial Wrinkles Using Texture Orientation Fields and Markov Random Field Modeling

Abstract : Facial retouching is widely used in media and entertainment industry. Professional software usually require a minimum level of user expertise to achieve the desirable results. In this paper, we present an algorithm to detect facial wrinkles/imperfection. We believe that any such algorithm would be amenable to facial retouching applications. The detection of wrinkles/imperfections can allow these skin features to be processed differently than the surrounding skin without much user interaction. For detection, Gabor filter responses along with texture orientation field are used as image features. A bi-modal Gaussian mixture model (GMM) represents distributions of Gabor features of normal skin vs. skin imperfections. Then a Markov random field model (MRF) is used to incorporate the spatial relationships among neighboring pixels for their GMM distributions and texture orientations. An Expectation-Maximization (EM) algorithm then classifies skin vs. skin wrinkles/imperfections. Once detected automatically, wrinkles/imperfections are removed completely instead of being blended or blurred. We propose an exemplar-based constrained texture synthesis algorithm to inpaint irregularly shaped gaps left by the removal of detected wrinkles/imperfections. We present results conducted on images downloaded from the Internet to show the efficacy of our algorithms.
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IEEE Transactions on Image Processing, Institute of Electrical and Electronics Engineers, 2014, 23, pp.3773 - 3788. 〈10.1109/TIP.2014.2332401〉
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Nazre Batool, Rama Chellappa. Detection and Inpainting of Facial Wrinkles Using Texture Orientation Fields and Markov Random Field Modeling. IEEE Transactions on Image Processing, Institute of Electrical and Electronics Engineers, 2014, 23, pp.3773 - 3788. 〈10.1109/TIP.2014.2332401〉. 〈hal-01096624〉

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