Paper Abstract and Keywords |
Presentation |
2016-01-19 14:20
GPGPU Implementation of the MSD Method for Outlier Detection and Its Experimental Evaluation Shotaro Asano, Masato Inagi, Shinobu Nagayama, Shin'ichi Wakabayashi (Hiroshima City Univ.) VLD2015-83 CPSY2015-115 RECONF2015-65 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In recent years,as the information,communication and sensing technologies advance,data streams have been continuously growing in size.To detect data which do not match expected patterns from such a large set of data,outlier detection methods have been being studied.As one of them,the MSD method,which extends a simple outlier detection method based on the Mahalanobis distance,has been proposed.It requires a larger computation time than the simple method,but it realizes more robust outlier detection.To ease the problem of large computation time,in this study,we propose a GPGPU implementation of the MSD method,and perform experimental
evaluations.In the MSD method,before calculating the Mahalanobis distance between the past and new data,the weights of some of the past data which are likely to be outliers are reduced in order to improve the robustness of the detection.In this study,we focus on a fact that it consists of independent processes of randomly generating multiple bases,and thus implement it so that these processes are executed in parallel.In experiments,we confirmed the effectiveness of our proposed implementation. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Outlier detection / Mahalanobis distance / MSD method / GPU / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 115, no. 399, CPSY2015-115, pp. 37-42, Jan. 2016. |
Paper # |
CPSY2015-115 |
Date of Issue |
2016-01-12 (VLD, CPSY, RECONF) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
Download PDF |
VLD2015-83 CPSY2015-115 RECONF2015-65 |
Conference Information |
Committee |
VLD CPSY RECONF IPSJ-SLDM IPSJ-ARC |
Conference Date |
2016-01-19 - 2016-01-21 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Hiyoshi Campus, Keio University |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
FPGA Applications, etc |
Paper Information |
Registration To |
CPSY |
Conference Code |
2016-01-VLD-CPSY-RECONF-SLDM-ARC |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
GPGPU Implementation of the MSD Method for Outlier Detection and Its Experimental Evaluation |
Sub Title (in English) |
|
Keyword(1) |
Outlier detection |
Keyword(2) |
Mahalanobis distance |
Keyword(3) |
MSD method |
Keyword(4) |
GPU |
Keyword(5) |
|
Keyword(6) |
|
Keyword(7) |
|
Keyword(8) |
|
1st Author's Name |
Shotaro Asano |
1st Author's Affiliation |
Hiroshima City University (Hiroshima City Univ.) |
2nd Author's Name |
Masato Inagi |
2nd Author's Affiliation |
Hiroshima City University (Hiroshima City Univ.) |
3rd Author's Name |
Shinobu Nagayama |
3rd Author's Affiliation |
Hiroshima City University (Hiroshima City Univ.) |
4th Author's Name |
Shin'ichi Wakabayashi |
4th Author's Affiliation |
Hiroshima City University (Hiroshima City Univ.) |
5th Author's Name |
|
5th Author's Affiliation |
() |
6th Author's Name |
|
6th Author's Affiliation |
() |
7th Author's Name |
|
7th Author's Affiliation |
() |
8th Author's Name |
|
8th Author's Affiliation |
() |
9th Author's Name |
|
9th Author's Affiliation |
() |
10th Author's Name |
|
10th Author's Affiliation |
() |
11th Author's Name |
|
11th Author's Affiliation |
() |
12th Author's Name |
|
12th Author's Affiliation |
() |
13th Author's Name |
|
13th Author's Affiliation |
() |
14th Author's Name |
|
14th Author's Affiliation |
() |
15th Author's Name |
|
15th Author's Affiliation |
() |
16th Author's Name |
|
16th Author's Affiliation |
() |
17th Author's Name |
|
17th Author's Affiliation |
() |
18th Author's Name |
|
18th Author's Affiliation |
() |
19th Author's Name |
|
19th Author's Affiliation |
() |
20th Author's Name |
|
20th Author's Affiliation |
() |
Speaker |
Author-1 |
Date Time |
2016-01-19 14:20:00 |
Presentation Time |
25 minutes |
Registration for |
CPSY |
Paper # |
VLD2015-83, CPSY2015-115, RECONF2015-65 |
Volume (vol) |
vol.115 |
Number (no) |
no.398(VLD), no.399(CPSY), no.400(RECONF) |
Page |
pp.37-42 |
#Pages |
6 |
Date of Issue |
2016-01-12 (VLD, CPSY, RECONF) |
|