1Decomposition of Dynamic Textures UsingMorphological Component Analysis2012/12/19 Sloven Dubois, Renaud Peteri and Michel Menard IEEE Transactions Circuits and Systems for Video Technology, Vol. 22, No.2, Feb 2012Outline2IntroductionA Model of Dynamic TextureDecomposing Dynamic TexturesResultsConclusion and ProspectsIntroduction3

Introduction4

Introduction5

Introduction6()()()/()()()

Introduction7(MCA)

Two Model of Image Motion8

Two Model of Image Motion9Tv:

:

Two Model of Image Motion10i

Two Model of Image Motion11:()()

Two Model of Image Motion12Pi

Li /

Two Model of Image Motion13

Decomposing Dynamic Textures14Morphological Component Analysis:ND:y // for i = 1 to N do //0 =0End for(1) = lambda initialization(strategy) //K=1 //

Decomposing Dynamic Textures15Morphological Component Analysis:While doFor i = 1 to N do // // // // // end for // k=k+1 // End while

Decomposing Dynamic Textures16Choice of the Dictionary()2-D+ T 1 (curvelet transform)()2-D+ T 2 (local cosine transform)

Decomposing Dynamic Textures17Thresholding StrategyDynTex5(128)648540 (LTS):DynTex700700 *21 H =612(MoMS):DynTex306

Decomposing Dynamic Textures18Two New Adaptive Thresholding Strategies for Improving Computation TimeMCAk

Decomposing Dynamic Textures19Two New Adaptive Thresholding Strategies for Improving Computation TimeLTS:LTSMOMS:(K)(ATSLc)

Decomposing Dynamic Textures20Two New Adaptive Thresholding Strategies for Improving Computation TimeLTSETS:LTS:ETS:

Decomposing Dynamic Textures21Two New Adaptive Thresholding Strategies for Improving Computation TimeETSMOMS(ATSEc)Results22Comparison Between Static and Dynamic MCA Decomposition

Results23Comparison Between Static and Dynamic MCA Decomposition

MCA(ATSLc)Results24Comparison Between Static and Dynamic MCA Decomposition

Conclusion and Prospects25ConclusionATSLcATSEc5

Prospects