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A minimum drift 3-layer scalable dtv decoder.
| Content Provider | CiteSeerX |
|---|---|
| Author | Huifang, Anthony Vetro Vetro, Anthony Sun, Huifang Dagraca, Paul Poon, Tommy |
| Abstract | This paper describes new techniques for implementing a low-cost video decoder that can decode an HDTV bitstream and display the signal at lower resolutions. A new architecture is introduced through the derivation of a minimum drift motion compensation scheme. 1. INTRODUCTION In the conventional method of obtaining a low-resolution image sequence, the HD bitstream is fully decoded, then it is simply pre-filtered and sub-sampled [1]. Although the quality is very good, the cost is quite high due to the large memory requirements. As a result, low-resolution decoders have been proposed to reduce some of the costs. Here, incoming blocks are subject to down-conversion filters within the decoding loop. In this way, the down-converted blocks are stored into memory rather than the full-resolution blocks. To achieve a high quality output with the low-resolution decoder, new algorithms have been developed to perform the down-conversion and the motion compensation (MC). We are able to integrate th... |
| File Format | |
| Access Restriction | Open |
| Subject Keyword | Low-resolution Decoder New Technique Motion Compensation High Quality Output New Architecture Low-resolution Image Sequence Large Memory Requirement Full-resolution Block Hdtv Bitstream Minimum Drift Motion Compensation Scheme Down-conversion Filter New Algorithm Hd Bitstream Conventional Method Down-converted Block Low-cost Video Decoder |
| Content Type | Text |
| Resource Type | Article |
