SIA OpenIR  > 光电信息技术研究室
A real-time multi-scale 2-D Gaussian filter based on FPGA
Luo HB(罗海波); Gai XQ(盖兴琴); Chang Z(常铮); Hui B(惠斌)
Department光电信息技术研究室
Conference NameInternational Symposium on Optoelectronic Technology and Application 2014
Conference DateMay 13-15, 2014
Conference PlaceBeijing, China
Source PublicationProc. Of SPIE 9301, International Symposium on Optoelectronic Technology and Application
PublisherSPIE
Publication PlaceBellingham, WA
2014
Pages1-7
Indexed ByEI ; CPCI(ISTP)
EI Accession number20150800551839
WOS IDWOS:000349327100004
Contribution Rank1
ISSN0277-786X
KeywordMulti-scale 2-d Gaussian Filter Multi-scale 2-d Convolution Real-time Implementation Parallel Pipeline In-place Operation Cafifo Fpga
Abstract

Multi-scale 2-D Gaussian filter has been widely used in feature extraction (e.g. SIFT, edge etc.), image segmentation, image enhancement, image noise removing, multi-scale shape description etc. However, their computational complexity remains an issue for real-time image processing systems. Aimed at this problem, we propose a framework of multi-scale 2-D Gaussian filter based on FPGA in this paper. Firstly, a full-hardware architecture based on parallel pipeline was designed to achieve high throughput rate. Secondly, in order to save some multiplier, the 2-D convolution is separated into two 1-D convolutions. Thirdly, a dedicate first in first out memory named as CAFIFO (Column Addressing FIFO) was designed to avoid the error propagating induced by spark on clock. Finally, a shared memory framework was designed to reduce memory costs. As a demonstration, we realized a 3 scales 2-D Gaussian filter on a single ALTERA Cyclone III FPGA chip. Experimental results show that, the proposed framework can computing a Multi-scales 2-D Gaussian filtering within one pixel clock period, is further suitable for real-time image processing. Moreover, the main principle can be popularized to the other operators based on convolution, such as Gabor filter, Sobel operator and so on.

Language英语
Citation statistics
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/15331
Collection光电信息技术研究室
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.University of Chinese Academy of Sciences, Beijing, China
3.Key Laboratory of Optical-Electronics Information Processing, Chinese Academy of Science, Shenyang, China
4.Key Laboratory of Image Understanding and Computer Vision, Liaoning Province, Shenyang, China
5.Hebei Hanguang Industry CO., LTD, Handan, China
Recommended Citation
GB/T 7714
Luo HB,Gai XQ,Chang Z,et al. A real-time multi-scale 2-D Gaussian filter based on FPGA[C]. Bellingham, WA:SPIE,2014:1-7.
Files in This Item: Download All
File Name/Size DocType Version Access License
A real-time multi-sc(2101KB)会议论文 开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Luo HB(罗海波)]'s Articles
[Gai XQ(盖兴琴)]'s Articles
[Chang Z(常铮)]'s Articles
Baidu academic
Similar articles in Baidu academic
[Luo HB(罗海波)]'s Articles
[Gai XQ(盖兴琴)]'s Articles
[Chang Z(常铮)]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Luo HB(罗海波)]'s Articles
[Gai XQ(盖兴琴)]'s Articles
[Chang Z(常铮)]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: A real-time multi-scale 2-D Gaussian filter based on FPGA.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.