Multisensor image fusion using the wavelet transform
Graphical Models and Image Processing
Multifocus image fusion using artificial neural networks
Pattern Recognition Letters
A region-based multi-sensor image fusion scheme using pulse-coupled neural network
Pattern Recognition Letters
Evaluation of focus measures in multi-focus image fusion
Pattern Recognition Letters
Pixel- and region-based image fusion with complex wavelets
Information Fusion
Multifocus image fusion by combining curvelet and wavelet transform
Pattern Recognition Letters
Similarity-based multimodality image fusion with shiftable complex directional pyramid
Pattern Recognition Letters
Surface Curvature as a Measure of Image Texture
IEEE Transactions on Pattern Analysis and Machine Intelligence
Kernel Regression for Image Processing and Reconstruction
IEEE Transactions on Image Processing
Multisource Image Fusion Method Using Support Value Transform
IEEE Transactions on Image Processing
Fusing images with different focuses using support vector machines
IEEE Transactions on Neural Networks
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The effective measurement of pixel's sharpness is a key factor in multi-focus image fusion. In this paper, a gray image is considered as a two-dimensional surface, and the neighbor distance deduced from the oriented distance in differential geometry is used as a measure of pixel's sharpness, where the smooth image surface is restored by kernel regression. Based on the deduced neighbor distance filter, we construct a multi-scale image analysis framework, and propose a multi-focus image fusion method based on the neighbor distance. The experiments demonstrate that the proposed method is superior to the conventional image fusion methods in terms of some objective evaluation indexes, such as spatial frequency, standard deviation, average gradient, etc.