Due to cardiac deformation and blood flowing, weak edges, local gradient maximum regions and artifacts are found in the MRI images.
由于心脏的变形和血液的流动，MRI图像中出现了弱边界、局部梯度极大值区域、伪影等现象。
It is performed by introducing the local gradient into local energy and then selecting the low frequency coefficients according to the type and the vale of match measures.
该融合策略首先在区域能量的基础上引入区域梯度，然后根据匹配度的类型和测量值进行小波低频系数的选取。
According to local gradient information, wavelet low frequency coefficient obtained from source image is selected to compose respective low frequency coefficient of the fused image.
根据局部梯度信息对源图像的小波低频系数进行选择，获取融合图像的对应低频系数。
According to local gradient information, wavelet low frequency coefficient obtained from source image is selected to compose respective low frequency coefficient of the fused image.
根据局部梯度信息对源图像的小波低频系数进行选择，获取融合图像的对应低频系数。
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