Back to Search
Start Over
A hardware-efficient H.264/AVC motion-estimation design for high-definition video
- Source :
- IEEE Transactions on Circuits and Systems-I-Regular Papers. July, 2008, Vol. 55 Issue 6, p1526, 10 p.
- Publication Year :
- 2008
-
Abstract
- Motion estimation (ME) in high-definition H.264 video coding presents a significant design challenge for memory bandwidth, latency, and cost because of its large search range and various modes. To conquer this problem, this paper presents a low-latency and hardware-efficient ME design with three design techniques. The first technique on integer-pel ME (IME) adopts parallel instead of serial multiresolution search so that we can process 1080 p @ 60 fps videos with [+ or -] 128 search range within just 256 cycles, 5.95-KB buffers, and 213.7K gates. The second technique on fractional-pel ME (FME) uses a single-iteration six-point search to reduce the cycle count by half with similar gate count and negligible quality loss. The third technique applies a mode-filtering approach to further reduce the bandwidth and cycles and share the buffer of IME and FME. The final ME implementation with 0.13-[micro]m process can support processing of 1080 p @ 60 fps with just 128.8 MHz, 282.6 K gates, and 8.54-KB buffer, which saves 60% gate count, and 68.9% SRAM buffers when compared with the previous design. Index Terms--Digital circuits, high-definition television (HDTV), H.264, motion estimation (ME), video coding, video signal processing.
- Subjects :
- Circuit design -- Evaluation
Digital electronics -- Standards
High-definition television -- Design and construction
Image coding -- Methods
Signal processing -- Technology application
Circuit designer
Integrated circuit design
High-definition television
Digital signal processor
Technology application
Business
Computers and office automation industries
Electronics
Electronics and electrical industries
Subjects
Details
- Language :
- English
- ISSN :
- 15498328
- Volume :
- 55
- Issue :
- 6
- Database :
- Gale General OneFile
- Journal :
- IEEE Transactions on Circuits and Systems-I-Regular Papers
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.182080899