MEDICAL IMAGE COMPRESSION USING ANAMORPHIC STRETCH TRANSFORM
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 0, Vol 4, Issue 10
Abstract
Medical image compression have an important role in medical field because they are used for future reference of patients. Medical imaging poses the great challenge of having compression algorithms that reduce the loss of fidelity as much as possible so as not to contribute to diagnostic errors and yet have high compression rates for reduced storage and transmission time. A new method for medical image compression is introduced. It uses a new physics-based mathematical transformation that increases spatial coherency by causing feature selective stretch. Anamorphic Stretch Transform is used for compressing the medical images. The transformation increases the spatial coherence resulting in superior compression without sacrificing the image quality. AST can be considered as the generalized (or nonlinear) time-wavelength mapping. It minimizes the number of samples needed for a digital representation of the signal; in other words, it reduces the record length or the digital data size.
Authors and Affiliations
Lakshmipriya. S
Keywords
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