The gradient information which is required in the optimization process is provided by the adjoint network technique.
优化过程中所必要的梯度信息是用伴随网络法获得的。
In the paper, added the gradient information into the image gradation histogram, proposed the gradation-gradient two-dimensional histogram.
通过对图像的灰度直方图中加入它的梯度信息，提出了灰度-梯度的二维直方图。
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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