Enhancement of brain tumor images
Kapinaiah Viswanath, Shweta Shweta · 2017
The paper presents the enhancement of medical brain tumor images in the spatial domain as well as transform domain. In the spatial domain, power law transformation is adopted and in the transform domain, color enhancement by scaling the DCT coefficients has been used. The proposed enhancement technique is useful and more efficient than the current techniques used for medical image enhancement. The uniqueness deceits in the circumstance of treating chromatic factors in frequency domain, while treating only the luminance factors in spatial domain. In this technique some parameters are considered which are suitable for medical images and match the different contrast enhancement by scaling techniques with proposed technique using those parameters to obtain appropriate results so that the minor details in the resultant image are enhanced for further analyzation and diagnosis. The proposed technique is computationally more efficient, and found to provide good result for enhancement compared to other techniques.