MPEG-4 and rate-distortion-based shape-coding techniques
| dc.contributor.author | Katsaggelos, A. K. | en |
| dc.contributor.author | Kondi, L. P. | en |
| dc.contributor.author | Meier, F. W. | en |
| dc.contributor.author | Ostermann, J. | en |
| dc.contributor.author | Schuster, G. M. | en |
| dc.date.accessioned | 2015-11-24T17:03:00Z | |
| dc.date.available | 2015-11-24T17:03:00Z | |
| dc.identifier.issn | 0018-9219 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/11119 | |
| dc.rights | Default Licence | - |
| dc.subject | boundary coding | en |
| dc.subject | mpeg-4 | en |
| dc.subject | rate-distortion theory | en |
| dc.subject | shape coding | en |
| dc.subject | video coding | en |
| dc.subject | chain codes | en |
| dc.subject | line drawings | en |
| dc.subject | representation | en |
| dc.subject | quantization | en |
| dc.subject | efficiency | en |
| dc.subject | curves | en |
| dc.title | MPEG-4 and rate-distortion-based shape-coding techniques | en |
| heal.abstract | In this paper, we address the problem of the efficient encoding of object boundaries. This problem is becoming increasingly important in applications such as content-based storage and retrieval, studies and television postproduction, and mobile multimedia applications. The MPEG-4 visual standard will allow the transmission of arbitrarily shaped video objects. The techniques developed for shape coding within the MPEG-4 standardization effort are described and compared first. A framework for the representation of shapes using their contours is presented next. Such representations are achieved using curves of various orders, and they are optimal in the rate-distortion sense. Last, conclusions are drawn. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.journalName | Proceedings of the Ieee | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1998 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Ηλεκτρονικών Υπολογιστών και Πληροφορικής | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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