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Partially observable Markov decision processes (POMDPs) provide a rich mathematical model for sequential decision making in partially observable and stochastic environments. Model-free methods use the internal state as a substitute of the belief state which is a sufficient statistic of all past action-observation history in model-based techniques. A main drawback of previous model-free techniques,...
To provide with an effective method for computer generated images with artistic appearances from 2D images motivates our work in this paper. We mainly propose the method for generating the artistic appearances based on the deviation mapping technique. As the preprocessing of the deviation mapping, the texture synthesis can be fulfilled to produce the background image with the same size of the foreground...
This paper proposed an improved video-based texture synthesis approach for simulating realistic natural phenomena. The algorithm measures similarity of every two frames to determine a preliminary playing sequence and then divide the preliminary playing sequence into several subsequences with different frame-to-frame delay so as to remove visual discontinuities. For removing the abrupt change from...
A scalar median filter algorithm for color image based on the rotation of color space is presented in this paper. It converts the vector median filter to simpler scalar median filters by rotating color space. The rotation of color space can make the majority noise pixels satisfying scalar median filter conditions at each scalar and being filtered. This method is iterative, and the rotation matrix...
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