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Multi-modal Medical Image Fusion Algorithm Based on Spatial Frequency Motivated PA-PCNN in the NSST Domain

[ Vol. 17 , Issue. 5 ]

Author(s):

K. Vanitha*, D. Satyanarayana and M.N.G. Prasad   Pages 634 - 643 ( 10 )

Abstract:


Background: Image fusion has been grown as an effectual method in diseases related diagnosis schemes. Methods: In this paper, a new method for combining multimodal medical images using spatial frequency motivated parameter-adaptive PCNN (SF-PAPCNN) is suggested. The multi- modal images are disintegrated into frequency bands by using decomposition NSST. The coefficients of low frequency bands are selected using maximum rule. The coefficients of high frequency bands are combined by SF-PAPCNN.

Methods: In this paper, a new method for combining multimodal medical images using spatial frequency motivated parameter-adaptive PCNN (SF-PAPCNN) is suggested. The multi-modal images are disintegrated into frequency bands by using decomposition NSST. The coefficients of low frequency bands are selected using maximum rule. The coefficients of high frequency bands are combined by SF-PAPCNN.

Results: The fused medical images is obtained by applying INSST to above coefficients.

Conclusion: The quality metrics such as entropy ENT, fusion symmetry FS, deviation STD, mutual information QMI and edge strength QAB/F are used to validate the efficacy of suggested scheme.

Keywords:

Image fusion, spatial frequency, non-subsampled shearlet transform (NSST), parameter-adaptive pulse coupled neural network (PAPCNN), medical imaging, diseases.

Affiliation:

Department of ECE, Jawaharlal Nehru Technological University, Anantapur, Department of ECE, Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal, Department of ECE, Jawaharlal Nehru Technological University, Anantapur

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