vioft2nntf2t|tblJournal|Abstract_paper|0xf4ff145b130000002959010001000200 This paper gives a view on the fusion of different modality images like PET and CT (Positron Emission Tomography & Computed Tomography) by two domain methods PCA and DWT methods. The spatial domain is PCA method, and another transformation domain method (DWT). In dwt decomposed coefficients of DWT (discrete wavelet transformation) are applied with the IDWT to get fused image information. Before that, choose a detailed part of decomposed coefficients by maximum selection and averaging the approximated part of DWT coefficients. In applying the PCA using eigen values and eigen vector of larger values as principal components and after to reconstruct using addition to these to get the fussed image of two modalities CT & PET. So that adds complimentary features of both anatomic, physiological and metabolic information in one image, provides better visual information in single image of patients in medical field. The analytic parameters like, MSE, PSNR, ENTROPY results are better enough to prove the methods each other.
S. Guruprasad1, M. Z. Kurian2, H. N. Suma3, Sharanabasavaraj4
Sri Siddhartha Academy of Higher Education, India1, Sri Siddhartha Academy of Higher Education, India2, BMS College of Engineering, India3, Sri Siddhartha Academy of Higher Education, India4
Discrete Wavelet Transform (DWT), Mean Squared Error (MSE), Principal Component Analysis (PCA), Position Emission Tomography (PET), Peak Signal-to-Noise Ratio (PSNR)
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| Published By :
ICTACT
Published In :
ICTACT Journal on Image and Video Processing
( Volume: 4 , Issue: 2 , Pages: 677-681 )
Date of Publication :
November 2013
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171
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