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We present a preliminary design and experimental results of a phase discontinuity relaxation method for MRI (magnetic resonance imaging) phase images. Our method utilizes a wavelet transform algorithm with zero-padding technique. The method is capable of solving the ambiguity problem in MRI phase image by removing the discontinuous borders. The key idea of the wavelet transform algorithm is to process...
In this paper, we propose a color-based segmentation method that uses the K-means clustering technique to track tumor objects in magnetic resonance (MR) brain images. The key concept in this color-based segmentation algorithm with K-means is to convert a given gray-level MR image into a color space image and then separate the position of tumor objects from other items of an MR image by using K-means...
A Radon transform algorithm, which incorporates correlated X-ray images into the processing of back- projection with fan-beam geometry reconstruction with the aim of improving image quality, was developed. We evaluate and compare these reconstruction images with the original image. The results show that the proposed method produces reconstructed images with quiet high peak-signal-to-noise ratio.
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