Traditional image registration methods in frequency domain have two kinds:one is cross-correlation method;the other is phase-correlation method.The both methods obtain registration information by determining maximum peak in inverse Fourier Transforms domain.Cross-correlation method that compare with phase-correlation method has two disadvantages:one is that sometimes the presence of secondary maxima makes it difficult to select the actual maximum;moreover,the cross-correlation peak may be rather broad,so th...
【基金】
国家自然科学基金(the National Natural Science Foundation of China under Grant No.60473116) 。
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