The JPEG still picture compression standard
Communications of the ACM - Special issue on digital multimedia systems
Multisensor image fusion using the wavelet transform
Graphical Models and Image Processing
Image Sequence Fusion Using a Shift-Invariant Wavelet Transform
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 3 - Volume 3
Guest editorial: Image fusion: Advances in the state of the art
Information Fusion
Pixel- and region-based image fusion with complex wavelets
Information Fusion
Multifocus image fusion using region segmentation and spatial frequency
Image and Vision Computing
A Novel Region Based Multifocus Image Fusion Method
ICDIP '09 Proceedings of the International Conference on Digital Image Processing
Block Level Multi-Focus Image Fusion Using Wavelet Transform
ICSAP '09 Proceedings of the 2009 International Conference on Signal Acquisition and Processing
Adaptive Fusion of Multimodal Surveillance Image Sequences in Visual Sensor Networks
IEEE Transactions on Consumer Electronics
Image quality assessment: from error visibility to structural similarity
IEEE Transactions on Image Processing
A non-reference image fusion metric based on mutual information of image features
Computers and Electrical Engineering
Efficient parallel architecture for multi-level forward discrete wavelet transform processors
Computers and Electrical Engineering
Local Upsampling Fourier Transform for accurate 2D/3D image registration
Computers and Electrical Engineering
Mutual spectral residual approach for multifocus image fusion
Digital Signal Processing
Face recognition using Gabor-based direct linear discriminant analysis and support vector machine
Computers and Electrical Engineering
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The objective of image fusion is to combine relevant information from multiple images into a single image. The discrete cosine transform (DCT) based methods of image fusion are more efficient and time-saving in real-time systems using DCT based standards of still image or video. Existing DCT based methods are suffering from some undesirable side effects like blurring or blocking artifacts which reduce the quality of the output image. Furthermore, some of these methods are rather complex and this contradicts the concept of the simplicity of DCT based algorithms. In this paper, an efficient approach for fusion of multi-focus images based on variance calculated in DCT domain is presented. Due to simplicity of our proposed method, it can be easily used in real-time applications. The experimental results verify the efficiency improvement of our method both in output quality and complexity reduction in comparison with several recent proposed techniques.