Efficient region of interest coding techniques in the upcoming JPEG2000 still image coding standard
Christopoulos, C.
Askelof, J.
Larsson, M.
Ericsson Radio Syst. AB, Stockholm, Sweden;
This paper appears in: Image Processing, 2000. Proceedings. 2000 International Conference on
Publication Date: 10-13 Sept. 2000
Volume: 2,
On page(s): 41-44 vol.2
Meeting Date: 09/10/2000 - 09/13/2000
Location: Vancouver, BC, Canada, Canada
ISSN: 1522-4880
ISBN: 0-7803-6297-7
References Cited: 5
INSPEC Accession Number: 6991273
Digital Object Identifier: 10.1109/ICIP.2000.899220
Current Version Published: 2002-08-06
Abstract
This paper describes the "MAXSHIFT" method for ROI coding in the JPEG2000 standard, which allows coding of the ROIs without transmitting any shape information to the decoder. No shape decoding and no ROI mask generation are required at the decoder. This document also describes a method for fast ROI mask generation for rectangular ROI, and how it can be extended to apply to arbitrarily shaped ROI. This shows that a ROI capable codec that handles arbitrarily shaped ROI, need not be significantly more complex than a non-ROI capable codec. The MAXSHFT method is included in Part I of the JPEG2000 compression system, while the more general scaling based method is likely to be in JPEG2000 Part II.
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