This method can capture the detail information of an image accurately. The wavelet coefficients of the approximant and detail sub-images are fused respectively based-on the fusion rule of local area gradient.
该方法不仅能很好地提取图像的细节信息,而且具有平移不变性,非常适合于图像融合;同时,采用基于局部邻域梯度的融合规则对分解后的高频和低频小波系数作不同的处理。
参考来源 - 冗余提升不可分离小波的图像融合方法·2,447,543篇论文数据，部分数据来源于NoteExpress
Ore zones occur in the edge of local positive gravity anomaly, in the strike interrupted area or steep gradient area of regional aeromagnetic anomaly.
而且矿区、矿化集中区还位于反映深部构造变异的局部重力异常区边缘、区域航磁走向中断区或梯度变化带附近。
Idea of drainage area based on whole image information takes account of local information when it is applied on gradient image.
流域思想利用了整体信息，应用于梯度图像上，兼顾了细部信息。
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