An MPEG-like pyramidal video coder

R. Gandhi, L. Wang, Sethuraman Panchanathan, M. Goldberg T

Research output: Contribution to journalArticle

Abstract

In this paper, we propose an MPEG-like video coder using a 3-dimensional (3D) adaptive pyramid. In the 3D adaptive pyramid, the temporal or spatial contraction is selected using the corresponding prediction differences. A video codec is designed using the 3D adaptive pyramid and intra-frame vector quantization. Encoding errors introduced at the upper levels are fed-forward to the lower levels of the pyramid which makes lossless coding possible. The proposed pyramidal video coder has a number of similarities with the MPEG-I video compression standard. Simulation results for the CCITT standard test sequences indicate that the 3D adaptive pyramid reduces the lossless bit rate by a factor of two. Excellent subjective quality as well as objective quality (PSNR value of 36.6 db) are obtained at a bit rate less than Ti rate (i.e. 1.544 Mb/s). Furthermore, smooth transition is achieved in the case of scene changes without sacrificing picture quality.

Original languageEnglish (US)
Pages (from-to)706-717
Number of pages12
JournalUnknown Journal
Volume2094
DOIs
StatePublished - 1993
Externally publishedYes

Fingerprint

Pyramid
coders
pyramids
Vector quantization
Image compression
coding
video compression
Video Compression
vector quantization
Vector Quantization
Feedforward
contraction
Contraction
Encoding
Coding
monomethoxypolyethylene glycol
Prediction
predictions
Simulation
simulation

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

An MPEG-like pyramidal video coder. / Gandhi, R.; Wang, L.; Panchanathan, Sethuraman; Goldberg T, M.

In: Unknown Journal, Vol. 2094, 1993, p. 706-717.

Research output: Contribution to journalArticle

Gandhi, R, Wang, L, Panchanathan, S & Goldberg T, M 1993, 'An MPEG-like pyramidal video coder', Unknown Journal, vol. 2094, pp. 706-717. https://doi.org/10.1117/12.157988
Gandhi, R. ; Wang, L. ; Panchanathan, Sethuraman ; Goldberg T, M. / An MPEG-like pyramidal video coder. In: Unknown Journal. 1993 ; Vol. 2094. pp. 706-717.
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