OPEN SOUREC CODE-IMAGE SCALING ALGORITHM

DESIGN DETAILS
Image scaling is widely used in many fields ranging from consumer electronics to medical imaging. It is indispensable when the resolution of an image generated by a source device is different from the screen resolution of a target display. For example, we must enlarge images to fit HDTV or to scale them down to fit the mini-size portable LCD panel. The simplest and widely used scaling methods are the nearest neighbor and bilinear techniques. In this design, image scaling technique is developed using Verilog HDL with Matlab, where first the input image is converted into corresponding pixel values using Matlab then those values are processed using image scaling algorithm in Verilog HDL. Here an edge-oriented area-pixel scaling processor(algorithm) is used to achieve the goal of low cost, the area-pixel scaling technique is implemented with a low-complexity VLSI architecture in our design. A simple edge catching technique is adopted to preserve the image edge features effectively to achieve better image quality.

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REFERENCES
Reference Paper-1: VLSI Implementation of an Edge-Oriented Image Scaling Processor
Author’s Name: Yin Chen, Chih-Yuan Lien, and Chi-Pin Lu
Source: IEEE
Year: 2009

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