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- W2890711913 abstract "The Steered Mixture-of-Experts (SMoE) framework targets a sparse space-continuous representation for images, videos, and light fields enabling processing tasks such as approximation, denoising, and coding. The underlying stochastic processes are represented by a Gaussian Mixture Model, traditionally trained by the Expectation-Maximization (EM) algorithm. We instead propose to use the MSE of the regressed imagery for a Gradient Descent optimization as primary training objective. Further, we extend this approach with regularization terms to enforce desirable properties like the sparsity of the model or noise robustness of the training process. Experimental evaluations show that our approach outperforms the state-of-the-art consistently by 1.5 dB to 6.1 dB PSNR for image representation." @default.
- W2890711913 created "2018-09-27" @default.
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- W2890711913 date "2018-10-01" @default.
- W2890711913 modified "2023-09-30" @default.
- W2890711913 title "Regularized Gradient Descent Training of Steered Mixture of Experts for Sparse Image Representation" @default.
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- W2890711913 doi "https://doi.org/10.1109/icip.2018.8451823" @default.
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