Objective
The project's objective is to undertake research work into the coding and transmission of high definition television (HDTV) signals, concentrating on the following topics:
- prefiltering and subsampling
- postfiltering and interpolation
- source coding for contribution
- source coding for distribution
CURRENT STATUS
The project originally planned for a period of 5 1/2 years was given a two year extension by the TCT on its meeting in Leidchendam in June 1989. The extension started in March 1990.
Subdivision of work among participant countries
The following institutions are involved in the project:
- Rijksuniversiteit Gent (Belgium)
- Katholieke Universiteit Leuven (Belgium)
- CCETT (France)
- Heinrich-Hertz-Institut (Germany)
- FI/DBP (Germany)
- FUB/ISP (Italy)
- Swedish Telcom. Radio (Sweden)
Prof. Garcia from the Technical University of Madrid, Spain, has shown a firm interest in participation in the project during the expansion phase. Portugal has also shown an interest.
COST 206 and EBU Specialist Group V1/RDB are liaisons through reciprocal attendance at meetings by the two chairpersons and a link to EUREKA 95, Sub-group 10, has been established through a Rapporteur. There is not yet an established link to RACE.
WORK PLANNED
- Study of filter characteristics for square shaped and diamond shaped sub-bands starting with progressively scanned HDTV; the characteristic of the lowest sub-band should be in accordance with Rec 601; two-dimensional spatial filters.
a. Progressively scanned
b. Interlaced analysis
- Study of different coding schemes for the lowest subbands. E.g. (Hybrid) DCT, DPCM overall, DCT inside loop.
a. Without MC
b. With MC
- Study of different coding schemes for the higher subbands. E.g. Adaptive PCM and contour coding both with or without MC.
- RLC (Run Length Coding) design and VLC (Variable Length Coding) design
- Assignment of bit rates to the various subbands
- Design of buffer controlled-feedback mechanism for synchronised and asynchronised channels
- Final Report
Fields of science (EuroSciVoc)
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Programme(s)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Coordinator
64295 Darmstadt
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.