Comput Math Methods Med - Computational approach to seasonal changes of living leaves.

Tópicos

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Resumo

This paper proposes a computational approach to seasonal changes of living leaves by combining the geometric deformations and textural color changes. The geometric model of a leaf is generated by triangulating the scanned image of a leaf using an optimized mesh. The triangular mesh of the leaf is deformed by the improved mass-spring model, while the deformation is controlled by setting different mass values for the vertices on the leaf model. In order to adaptively control the deformation of different regions in the leaf, the mass values of vertices are set to be in proportion to the pixels' intensities of the corresponding user-specified grayscale mask map. The geometric deformations as well as the textural color changes of a leaf are used to simulate the seasonal changing process of leaves based on Markov chain model with different environmental parameters including temperature, humidness, and time. Experimental results show that the method successfully simulates the seasonal changes of leaves.

Resumo Limpo

paper propos comput approach season chang live leav combin geometr deform textur color chang geometr model leaf generat triangul scan imag leaf use optim mesh triangular mesh leaf deform improv massspr model deform control set differ mass valu vertic leaf model order adapt control deform differ region leaf mass valu vertic set proport pixel intens correspond userspecifi grayscal mask map geometr deform well textur color chang leaf use simul season chang process leav base markov chain model differ environment paramet includ temperatur humid time experiment result show method success simul season chang leav

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