Honghui Rao

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The potential of visible and near infrared (Vis/NIR) spectroscopy was investigated for discriminating the varieties of Nanfeng mandarin fruit nondestructively. The spectra were collected by a spectrophotometer in the wavelength range of 600–1040 nm. Relationship between the spectra and Nafeng mandarin varieties was established using principal component(More)
The method on Camellia Oleifera segmentation is discussed in this article. To reach this goal, two major factors need to be considered :(1) the different color between Camellia Oleifera and its background (2) the similar color between Camellia Oleifera and its background. This paper outlines an image processing method for segmenting Camellia Oleifera from(More)
A method to aim toward crop-rows was put forward for spray control in this article. At first, the image of crops captured by a CCD camera was passed on computer, then crops were segmented from background by obtaining H value and its binary image was obtained by means of OSTU. Finally, the center line of crop-row was regressed by Hough transform after the(More)
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