NDLI: Perceptually lossless coder based on just noticeable distortion profile with subband DCT

Content Provider	IEEE Xplore Digital Library
Author	Ee-Leng Tan Woon-Seng Gan Meng-Tong Wong
Copyright Year	2005
Description	Author affiliation: Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore (Ee-Leng Tan; Woon-Seng Gan)
Abstract	As lossless compression methods offer limited compression of images, significant amount of time for transmission of images to different users can result. In this paper, we have considered the possibility of building a perceptually lossless coder based on the just noticeable distortion (JND) profile with subband discrete cosine transform (SBDCT) to allow for perceptually high quality monochrome images with higher compression ratio as compared to lossless compression. The proposed algorithm is built on the SBDCT which allows fast implementation via software and hardware optimization, and thus achieving efficient coding and compact compression of images. Simulations show that our coder can produce processed images with near to transparent coding and yet remain decodeable with any JPEG decoder based on the ITU-T.81 guidelines at bit rates of 0.3 bpp and above.
Starting Page	253
Ending Page	257
File Size	771163
Page Count	5
File Format	PDF
ISBN	0780389204
DOI	10.1109/ISCE.2005.1502380
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-14
Publisher Place	Macau
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete cosine transforms Image coding Decoding Transform coding Gallium nitride Propagation losses Hardware Guidelines Bit rate Image storage
Content Type	Text
Resource Type	Article

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