NDLI: Image Compression Using the DCT and Noiselets: A New Algorithm and Its Rate Distortion Performance

Content Provider	IEEE Xplore Digital Library
Author	Zhuoyuan Chen Jiangtao Wen Shiqiang Yang Yuxing Han Villasenor, J.D.
Copyright Year	2010
Abstract	We describe an image coding algorithm combining the DCT and noiselet information. The algorithm first transmits DCT information sufficient to reproduce a "low-quality" version of the image at the decoder. This image is then used both at the decoder and encoder to create a mutually known list of locations of likely significant noiselet coefficients. The coefficient values themselves are then transmitted to the decoder differentially, by subtracting, at the encoder, the low-quality image from the original image, obtaining the noiselet values and subjecting them to quantization and entropy coding. There remain significant opportunities for further work combining CS-inspired information theoretic techniques with the rate-distortion considerations that are critical in practical image communications.
Starting Page	527
Ending Page	527
File Size	140439
Page Count	1
File Format	PDF
ISBN	9781424464258
ISSN	10680314
e-ISBN	9781424464265
DOI	10.1109/DCC.2010.62
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image coding Discrete cosine transforms Rate-distortion Decoding PSNR Quantization Frequency Transform coding Data compression Computer science
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications

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