alexa VLSI Based Image Zooming Application by a Novel Adaptive Edge Enhancement Technique
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

VLSI Based Image Zooming Application by a Novel Adaptive Edge Enhancement Technique

M.Saranya1, V.Meenakshi2
  1. PG Student [VLSI], Dept. of ECE, Sona College of Technology, Salem, Tamilnadu, India
  2. Assistant professor, Dept. of ECE, Sona College of Technology, Salem, Tamilnadu, India
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Abstract

In this paper, an adaptive edge enhancement technique is proposed for two-dimensional (2-D) image scaling application. The anticipated image scaling algorithm consists of an edge detector, bilinear interpolation and sobel filter. The bilinear interpolation defines the intensity of the scaled pixel with the weighted average of the four nearest neighboring pixels, interpolated images become smooth and loss of edge information. The adaptive edge enhancement technique is used to protect the edge features effectively, to achieve better image quality and to avoid the loss edge information. The sobel filter attempts to reduce the noise, in blurred and distorted edges which is produced by bilinear interpolation. An algebraic manipulation and hardware sharing technique are used to reduce computing resource of the bilinear interpolation. The analysis shows that edges are well preserved and interpolation artifacts (blurring, jaggies) are reduced.

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