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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Beric, A. de Haan, G. Sethuraman, R. van Meerbergen, J. |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Electr. Eng., Eindhoven Univ. of Technol., Netherlands (Beric, A.) |
| Abstract | De-interlacing is a major determinant of image quality in a modern display processing chain. The de-interlacing method, based on the generalized sampling theorem (GST) applied to motion estimation and motion compensation, provides the best de-interlacing results. With HDTV interlaced input material (1920*1080i), this method requires about 1000 GOPs and a communication bandwidth around 10 Gbytes/sec. We analyze and simplify the algorithm and propose a processing architecture. As a result, the operation count of the motion estimator decreases by a factor of 5.5 and the bandwidth to local pixel storage by a factor of 3.3 with only mild and acceptable quality loss. We present a task breakup and a suitable heterogeneous multi-processor architecture. The task break-up is such that the computational load of the processors is balanced and the flexibility of the architecture is preserved within the application domain. To cope with the large memory bandwidth requirements, we exploit locality of reference with multi-level scratchpad memories. |
| Starting Page | 2943 |
| Ending Page | 2946 |
| File Size | 352714 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780388348 |
| DOI | 10.1109/ISCAS.2005.1465244 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-05-23 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Signal processing algorithms Signal sampling Video signal processing Bandwidth Image sampling Motion estimation Computer architecture Image quality Displays Motion compensation |
| Content Type | Text |
| Resource Type | Article |
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