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Journal of Biomedical Engineering ; (6): 649-652, 2011.
Artigo em Chinês | WPRIM | ID: wpr-359206

RESUMO

With the improvement of system frame and reconstruction methods in fluorescent molecules tomography (FMT), the FMT technology has been widely used as an important experimental tool in biomedical research. It is necessary to get the 3D-surface profile of the experimental object as the boundary constraints of FMT reconstruction algorithms. We proposed a new 3D-surface reconstruction method based on Fourier transform profilometry (FTP) method under the blue-purple light condition. The slice images were reconstructed using proper image processing methods, frequency spectrum analysis and filtering. The results of experiment showed that the method properly reconstructed the 3D-surface of objects and has the mm-level accuracy. Compared to other methods, this one is simple and fast. Besides its well-reconstructed, the proposed method could help monitor the behavior of the object during the experiment to ensure the correspondence of the imaging process. Furthermore, the method chooses blue-purple light section as its light source to avoid the interference towards fluorescence imaging.


Assuntos
Algoritmos , Fenômenos Biofísicos , Fluorescência , Análise de Fourier , Processamento de Imagem Assistida por Computador , Imageamento Tridimensional , Métodos , Propriedades de Superfície , Tomografia , Métodos
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