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Dynamic Texture Synthesis

Author: XuLeiLei
Tutor: WuTao
School: Huazhong University of Science and Technology
Course: Software Engineering
Keywords: Dynamic texture Linear dynamical system DCTS Multi-resolution analysis MARMA
CLC: TP391.41
Type: Master's thesis
Year: 2007
Downloads: 131
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Abstract


Dynamic texture refers to the sequence of the image composed of the texture is formed by having the repeating pattern of variation with time . This texture image sequences in the time domain with a certain constant characteristics . The dynamic texture waves , the smoke waving , dancing leaves blowing in the wind , the crowd and traffic conditions . Dynamic texture simulation purposes is based on a short video input sample texture in the segmental motion of the texture parameter model to predict the original and the finite length of the dynamic texture video expansion into infinite video , while ensuring that the extension of the same sequence of texture the original input sequence to maintain a similar law of motion . The paper first proposed the linear dynamical system extended to the color of Arts and algorithms . The algorithm uses the color information of the Laplacian pyramid , and radial basis function ( RBF ) to compress the YUV color domain , thereby avoiding the complex operations of large-scale matrix , and at the same time able to make a better simulation of the motion characteristics of the dynamic texture . Secondly, we put forward based on multi - resolution analysis of multi-resolution auto-regressive moving average model ( MARMA ) . The model is based on linear dynamic system , the use of multi - resolution analysis method , the original dynamic texture sequence is converted to a different frequency ranges in order to improve the dynamic texture simulation results . The same time, we also designed a comparative study using three different multi - resolution analysis methods : laplacian pyramid , haar wavelet , and steerable pyramid dynamic texture Simulation . Experimental results show that the the our MARMA model can improve the results of the simulation . Overall , the proposed dynamic color simulation model can handle large - scale dynamic video , while ensuring that the simulation results with the direct application of linear dynamic system is comparable to the results of the RGB color space . Especially for the RBF - based model , it not only saves storage space , but also better able to capture the structural information of the dynamic texture . MARMA process will refuse to global dynamic characteristics into different levels so as to improve the simulation results . Experimental results show that the steerable Pyramid better than other multi - resolution analysis method can simulate the texture .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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