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The_VLSI_Design_of_Winscale_for_Digital_Image_Scaling
The VLSI Design of Winscale for Digital Image Scaling
1 2 2 1 1
Chung-chi Lin , Zeng-chuan Wu ,Wen-kai Tsai , Ming-hwa Sheu , Huann-keng Chiang
1
Graduate School of Engineering Science and Technology,
2Department of Electronic Engineering,
National Yunlin University of Science Technology
cclin@thu.edu.tw,sheumh@yuntech.edu.tw
Abstract of winscale that is able to process image scaling for
HDTV in real-time.
The resolution of digital displays has been improved
with increment of the display sizes of those devices. The 2. The Algorithm of Winscale
digital image scaling algorithm, winscale, is suitable for
digital display devices in various resolutions; Winscale technique uses an area pixels model to
nevertheless, the computational complexity of winscale evaluate a scaled pixel. The original image and the
algorithm is not able to process in real-time. In this scaled image are treated as rectangles and the intensity of
paper, we implement an efficie nt VLSI architecture pixels is evenly scattered in rectangle area. The value of
design of winscale algorithm. The core consists of scaled pixel is obtained by weighted-averaged the pixel
coordinate accumulator, pixel orientation unit, area va
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