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A Novel Coding using Downsampling Technique in Video Intraframe

IJCA Proceedings on Emerging Technology Trends on Advanced Engineering Research - 2012
© 2012 by IJCA Journal
ICETT - Number 4
Year of Publication: 2012
S. J. Lebonah
D. Minola Davids

S J Lebonah and Minola D Davids. Article: A Novel Coding using Downsampling Technique in Video Intraframe. IJCA Proceedings on Emerging Technology Trends on Advanced Engineering Research - 2012 ICETT(4):1-5, December 2012. Full text available. BibTeX

	author = {S. J. Lebonah and D. Minola Davids},
	title = {Article: A Novel Coding using Downsampling Technique in Video Intraframe},
	journal = {IJCA Proceedings on Emerging Technology Trends on Advanced Engineering Research - 2012},
	year = {2012},
	volume = {ICETT},
	number = {4},
	pages = {1-5},
	month = {December},
	note = {Full text available}


Downsampling technique for intraframe coding is a new scenario for low bit rate coding. In the existing methods of downsampling technique, the alternate entire row or column of pixels are downsampling, Which leads to more loss image quality during interpolation. Checkerboard pattern technique is proposed in downsampling process. Here we remove alternate pixel value same as chess board. Interpolation is a process of generating a value of a pixel based on its neighbors. We use adaptive weighted interpolation technique. JPEG-LS technique is to provide effective lossless and near lossless compression in upsampling and downsampling process. LOCO-I algorithm is used in JPEG-LS. By using this technique, the image quality is improved.


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