Interframe difference of the moving target, a large peak in the hypercomplex spectrum contrast. Therefore, our proposed method can be more easily combined with space-time overall characteristics to calculate the space-time significant of moving target.

The differences between frames, and can be in the Super complex spectral contrast in a larger peak. Therefore, we have to be able to more easily approach the overall characteristics with temporal calculation of significant time with the aims of the campaign.

The movement goal frame the difference, may form the big peak value in the hypercomplex numbers spectrum contrast gradient.Therefore, we propose the method to be able the easier union space and time overall characteristic computation to have the space and time significance movement goal.

Difference between frame of the moving object, can be hyper-complex formed a large spectral contrast of the peak. Therefore, we can more easily combined with spatial and temporal characteristic calculation of moving objects spatio-temporal distinctiveness as a whole.

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