Image zooming had its importance in the real world. Concept of zooming in digital images is based on its intrusion of new pixels into the system. Interpolation is a technique used to obtain newly created pixels from the original image. Fan beam projection calculates different projected images. Generally, it is used to find abnormal opening in the system. In this method DWT is applied initially to original image. Then the computed high frequency bands are interpolated to obtain interpolated sub bands. Fan beam projection of different sub bands levels is fused together to obtain the respective sub band. Applying IDWT to sub bands will result in enhanced zoomed images.

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Interpolation Dwt (discrete Wavelet Transform) Fan Beam Fusion Idwt(inverse Discrete Wavelet Transform)