NECTEC..,..,phoenix.eng.psu.ac.th/qa/KPR/Research/Rep_Bud52/Ref_Pornchai(9).pdfjatupom...
Transcript of NECTEC..,..,phoenix.eng.psu.ac.th/qa/KPR/Research/Rep_Bud52/Ref_Pornchai(9).pdfjatupom...
A Study of Factors Influencing Consumer's Intention to Continue to Use GPRS Service in Bangkok 1
Suvalee Ngamlertwattanakul
A Study of Parah Phenology at Khao Nan, Nakhon Si Thammarat: as a Climatic Change Indicator 9
Uthai Kuhapong, Mullica jaroensutasinee, and Krisanadej jaroensutasinee
An Efficient Approach for Shifted-Only Sequence Matching . 14
Rawadee Rangsri and juggapong Natwichai
An Implementation of Web Portal for 3D Rendering Service Deployment and Access On Linux Clusters 20
Ekasit Kijsipongse, Suriya U-ruekolan, Sirod Sirisup, and Somthep Vannarat
CAD Implementation of Analog Circuit Optimization Tool Based on Multi-Objective Geometric Programming 25
Theerachet Soorapanth
Cloud Forest Climatic Characteristics of Tropical Montane Cloud Forest at Mt. Nom, Thailand 30
Peerasak Sangarun, Wittaya Pheera, Mullica jaroensutasinee, and Krisanadej jaroensutasinee
Conditional Access System: Basic Principles and Design Concepts 35
Pramote Srisuksant, Rachapom Kienprasit, Seksun Sartsatit, jatupom Chim'ungrueng, Charuwalee Huadmai,Witsarawat Chantaweesomboon, and Saowaluck Kaewkam[1erd
Design and Analysis of Charge Pump Circuit for Different Phase Frequency Detectors .
Me!. Arif Hasan and Chumnam Punyasai
Energy Efficiency of a CN G Retrofi t Light T ruck 48
Thanud Luangnarutai, and Raksit Thitipatanapong
Implementation Issues in Developing a Fluid Flow Solver on Cell Architecture .
IW{jJ'Wi nDiJ'IYUI11(}fl, FJnn1J wqn'l1D1nJ, 1m:: FTJnm TiJnJ'fI11U
Instant OCR .
Sanparith Marukatat and Wasin Sinthupinyo
Magnetic Wireless Sensor Network for Traffic Data Collection 64
jatupom Chinrungrueng, Ronachai Pongthomseri, Songphol Dumnil, Saowaluck Kaewkamnerd,and Teerapol Silawan
Measurement Techniques for Fault Detection in Agriculture: A Survey .
jittiwut Suwatthikul
MF-p2p: A Context Awareness Based on Structured P2P 76
Wasin Thiengkunakrit, Sinchai Kamolphiwong, and Thossapom Kamolphiwong
Mosqui to Web Database System for School Research Project... 84
Siriwan Wongkoon, Mullica jaroensutasinee, and Krisanadej jaroensutasinee
Sea Surface Temperature and Its Anomaly at 20 Coral Reef Sites 89
Sirilak Chumkiew, Mullica jaroensutasinee, and Krisanadej jaroensutasinee
The Effect of Ti/TiN Diffusion Barrier Layer on Schottky Barrier Height of Al-Alloy/n-type Si Interface 94
Opas Trithaveesak, Awirut Srisuwan, jakrapong Supadech,Chamdet Hruanun, and Al11pom Poyai
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rllifl'flflll1JtJ\l\9I'W'UtJ\lf11)"\9I)"J'il'il1Jf11)"i:llJ !\9Il'J!'l5 Discrete Wavelet Transform )"JlJf11J Autoregressive Model
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PatimakornJantaraprim, Pornchai Phukpattaranont, Chusak Limsakul and Booncharoen Wongkittisuksa
Department of Electrical Engineering, Faculty of Engineering, Prince of Songkla University
ABSTRACT - This paper presents a study of signals that trend to produce false alarm in falldetection using Autoregressive (AR) model and Discrete Wavelet Transform (DWT). In theexperiment, there was a tri-axial accelerometer mounted on the trunk. Ten young subjects performedfour types of falls including forward fall, backward fall, left and right side fall. Ten elderly subjectsperformed six types of Activity of Daily Live (ADL) including sit-stand, stand-sit, sit-lie, lie-sit, benddown and walking for 2m. For 14 sets of data, the results showed that falls and ADL could beclassifiedusing AR2cD2 and AR3cD3. Falls could be distinguished from ADL with 70.83% and 75%sensitivity for AR2cD2 and AR3cD3, respectively and up to 85% specificity for both parameters.Moredata from the experiment to verify this method is ongoing research.
KEY WORDS - fall detection, accelerometer, autoregressive, wavelet transform, elderly
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3I"'=' Q,I d.' ~ gI 31.<::toflW~ ~llltJ'lJtl'IJtl 'lJfJW1fl1"tl'IJ1tJtr"WtJfl 11:lJ!11l Vl1~~ 1"W1ff1f11 1":lJ
~"W~ (NECTEC-PSU center of excellence for rehabilitation
engineering) Iltl~'I'j"WUW cVl\9lfff1£llff~'lJtl1"Wflj"W'I11~i,r f1n.ff'l1'lJff'4"Wf111"'11m"W illtJiJ
and C. Chan, "Development of a Fall Detecting System for
the Elderly Residents", Proceedings of the 2nd
[6] P. Jantaraprim, P. Phukpattaranont, C. Limsakul, and
B. Wongkittisuksa, "Evaluation of Fall Detection for the
Elderly on a Variety of Subject Groups", international
".tS ~ iJ Q.J CJ} "1" G) gJ , Q.J
nmmfjlIUtJ\I\9I'W61Je)\If)ll\9ll1'j)'j)'lJf)l~ii:UJ !\9ICJ!'Jf Discrete Wavelet Transform l1:IJfl'lJ Autoregressive Model
Physics: Conference Series, Vol. 34,2006, pp. 1059-1067.
[10] N. Noury, A. Fleury, P. Rumeau, A.K. Bourke, G. O.