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The temperature measurement has great significance for the combustion diagnostics and the study of flame characteristics. In this paper, an optical sectioning tomographic (OST) technique for 3-D flame temperature measurement combined with light field imaging is proposed. First, the fundamental principle of light field OST is introduced in detail. Then, to determine the refocused depth, the point spread...
The flame temperature distribution measurement is very important for the combustion diagnosis. This paper presents a fast inversion method for 2-D flame temperature distribution reconstruction. Two orthogonal-arranged focused light field cameras are used to acquire the radiative intensities of the flame in different directions. The general source multi-flux method is chosen as direct solving model...
The three dimensional (3-D) flame temperature measurement is of great significance to the study of flame structure, fuel mixing and combustion mechanism, and the stability of combustion control. This paper presents the design, implementation and evaluation of a 3-D imaging system based on optical sectioning tomography to reconstruct the temperature distribution of candlelight. A 3-D luminous object...
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