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Use of image-processing toolbox for powder particle diagnostics in plasma spray process
Chumak, Oleksiy ; Kopecký, Vladimír
For measurement of distribution of powder particles and their velocities on plasma spraying, imagigng by CCD camera is used.It is difficult to identify the particles injected into plasma jet on photos, because of high brightness of background light source, noises of CCD camera and low contrast of particle images.Filtering of the photos by a function of two-dimensional convolution.

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