IEEE Trans Image Process - Detection and inpainting of facial wrinkles using texture orientation fields and Markov random field modeling.

Tópicos

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Resumo

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 bimodal Gaussian mixture model (GMM) represents distributions of Gabor features of normal skin versus skin imperfections. Then, a Markov random field model is used to incorporate the spatial relationships among neighboring pixels for their GMM distributions and texture orientations. An expectation-maximization algorithm then classifies skin versus 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.

Resumo Limpo

facial retouch wide use media entertain industri profession softwar usual requir minimum level user expertis achiev desir result paper present algorithm detect facial wrinklesimperfect believ algorithm amen facial retouch applic detect wrinklesimperfect can allow skin featur process differ surround skin without much user interact detect gabor filter respons along textur orient field use imag featur bimod gaussian mixtur model gmm repres distribut gabor featur normal skin versus skin imperfect markov random field model use incorpor spatial relationship among neighbor pixel gmm distribut textur orient expectationmaxim algorithm classifi skin versus skin wrinklesimperfect detect automat wrinklesimperfect remov complet instead blend blur propos exemplarbas constrain textur synthesi algorithm inpaint irregular shape gap left remov detect wrinklesimperfect present result conduct imag download internet show efficaci algorithm

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