DocumentCode :
2548937
Title :
Memory optimisations for high-resolution imaging
Author :
Todman, Tim ; Luk, Wayne
Author_Institution :
Dept. of Comput., Imperial Coll. London, UK
fYear :
2004
fDate :
6-8 Dec. 2004
Firstpage :
153
Lastpage :
160
Abstract :
The rapid advance in imaging technology has led to the increasing availability of high-resolution digital images. For instance, the latest film scanners can produce more than 6 million pixels with 12-bit colour. We explore the opportunities of working with these high-resolution images on reconfigurable hardware, focusing on memory optimisations to support their effective processing. We consider template matching and related algorithms, and propose a runtime reconfiguration scheme which allows large template-matching algorithms to be implemented on small FPGAs. We present a partitioning scheme which allows the FPGA to process images larger than its local, external memory banks; alternatively, the scheme facilitates exploitation of concurrency offered by multiple memory banks in FPGA systems. We have developed parametric models to analyse these designs and to explore their potential. It is shown that, for instance, our column caching scheme can support linear speedup with respect to the number of columns, even when the reconfiguration time is large.
Keywords :
circuit optimisation; field programmable gate arrays; image processing; logic partitioning; memory architecture; reconfigurable architectures; FPGA systems; column caching scheme; film scanners; high-resolution digital images; high-resolution imaging; image processing; imaging technology; linear speedup; memory banks; memory optimisations; parametric models; partitioning scheme; reconfigurable hardware; runtime reconfiguration; template matching; Digital images; Educational institutions; Field programmable gate arrays; Hardware; High-resolution imaging; Parametric statistics; Partitioning algorithms; Pixel; Runtime; Scheduling algorithm;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Field-Programmable Technology, 2004. Proceedings. 2004 IEEE International Conference on
Print_ISBN :
0-7803-8651-5
Type :
conf
DOI :
10.1109/FPT.2004.1393263
Filename :
1393263
Link To Document :
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