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A new image segmentation algorithm is presented based on characteristic of dispersion of RGB(Red, Green, Blue), utilizing the information of the colorful image to achieve fast segmentation. With tow images an example, firstly, in the original image, it gets the sum of all pixels' RGB dispersion, then that is normalized into grads image. In the histogram of RGB dispersion the characteristic is Bi-peak...
Orthogonal frequency-division multiplexing (OFDM) technology with the DCT encoding, orthogonal coding can make the transmitted video data extended to sub-channel of the each group, and this can improve the capability of the well-narrowband jamming system. Experimental results show that, the coding method can not only make good use of the transmission of the video data, but it also has very clear-Narrowband...
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