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www.eng.chula.ac.thwww.eng.chula.ac.th
Department of Electrical Engineering
May, 2018
Cluster Bioelectronics (BIO)
www.eng.chula.ac.th
Smart Medical Devices
Smart Healthcare
Assistive Devices for Disabled & the Elderly
Rehabilitation Devices
www.eng.chula.ac.th
Courses
โข 2102588 Biomedical Electronicsโข 2110675 Biomedical Information and Communication Systems
โข 2102668 Biosensorsโข 2102785 Advanced Sensor Theory
โข 2102585 Biomaterial Science
โข 2102547 Cognitive Engineeringโข 3017767 Human Body for Biomedical Engineering
www.eng.chula.ac.th
BIO & EE Department MembersProfessorDr. Boonchai Techaumnat(Kyoto University)
- Particle Electromechanics- Bioelectromagnetics- Bioengineering
Assistant ProfessorDr. Arporn Teeramongkonrasmee(Chulalongkorn University)
- Sensors- Semiconductor gas sensors- Medical instrumentation
Associate ProfessorDr. Mana Sriyudthsak(Tokyo Institute of Technology)
- Medical instrumentation- Biosensors- Chemical sensors
Associate ProfessorDr. Chedsada Chinrungrueng(University of California, Berkeley)
- Adaptive filtering- Biomedical signal processing- Biomedical image processing
Assistant ProfessorDr. Charnchai Pluempitiwiriyawej(Carnegie Mellon University)
- Image processing- Medical image processing & analysis- Character recognition
Associate ProfessorCherdkul Sopavanit(Chulalongkorn University)
- Sensors- Semiconductor gas sensors- Medical instrumentation
www.eng.chula.ac.th
BIO & EE Department MembersAssistant ProfessorDr. Chanchana Tangwongsan(University of Wisconsin-Madison)
- Medical instrumentation- Bioelectronics- Biomaterial
Assistant ProfessorDr. Jitkomut Songsiri(University of California, LA)
- Convex optimization- Biological system modeling- EEG signal analysis
Assistant ProfessorDr. Supatana Auethavekiat(Tokyo University)
- Image processing- Video processing- Compressed sensing
Lecturer / BME ProgramDr. Pakpum Somboon(Tokyo Institute of Technology)
- Biosensors- Medical instrumentation- Electronic nose
LecturerDr. Apiwat Lek-uthai(Karlsruhe Institute of Technology)
- Medical instrumentation- Medical signal processing- ECG, EEG signal analysis
www.eng.chula.ac.th
BIO Research Highlights
โข Cell monitoring system using quartz crystal microbalance
โข Lab-on-a-Chip biomedical sample preparation
Biomedical Engineering
Fundamentals
โข Handheld ECG; Wireless ECG for stroke patient
โข Walking stimulation device for Parkinson patient
Biomedical Instrumentation
โข On-chip malaria detection
โข Glucose sensor; Nitric oxide sensorBiosensors
โข ECG analysis; Cardiac arrhythmia detection
โข EEG analysis; Seizure detection
โข Medical image segmentation
Medical Signal & Image Processing
www.eng.chula.ac.th
Biomedical engineering fundamentals:
Cell monitoring system usingquartz crystal microbalance (QCM)
12 MHz QCM-D with gold electrode
Associate ProfessorDr. Mana Sriyudthsak
- Medical instrumentation- Biosensors
- Chemical sensors
www.eng.chula.ac.th
Separation between polystyrene particles and red blood cells for target
enrichment
Biomedical engineering fundamentals:
Lab-on-a-Chip Platform for Biomedical Sample Preprocesses
โข New methods to pre-concentrate or enrichment target cells/particles in sample can improve the level of detection (LOD) for diagnostics.
โข Using lab-on-a-chip or micro total analysis system, we can reduce sample volumes needed for diagnostic, and enhance the sensitivity of detection.
ProfessorDr. Boonchai Techaumnat
- Particle Electromechanics- Bioelectromagnetics
- Bioengineering
www.eng.chula.ac.th
Medical instrumentation:
Wireless ECG Monitor for Stroke PatientLecturer
Dr. Pakpum Somboon- Medical instrumentation
- Biosensors
Assistant ProfessorDr. Arporn Teeramongkonrasmee
- Medical instrumentation- Sensors
in cooperation with
Two-electrode ECG amplifierContinuous ECG monitoringData transfer via BluetoothDetect abnormal heart rhythms
Handheld ECG
Wireless ECG Belt
www.eng.chula.ac.th
Biomedical instrumentation:
Wireless handheld ECGfor stroke patient (CU CG)
in cooperation with Chulalongkorn Stroke Center
Lecturer / BME ProgramDr. Pakpum Somboon
- Biosensors- Medical instrumentation
- Electronic nose
LecturerDr. Apiwat Lek-uthai
- Medical instrumentation- Medical signal processing
- ECG, EEG signal analysis
Assistant ProfessorDr. Arporn Teeramongkonrasmee
- Sensors- Semiconductor gas sensors
- Medical instrumentation
www.eng.chula.ac.th
Biomedical instrumentation:
Walking stimulation device for Parkinson patient (CU Walking)
in cooperation with King chulalongkorn memorial hospital
Associate ProfessorDr. Mana Sriyudthsak
- Medical instrumentation- Biosensors
- Chemical sensors
Lecturer / BME ProgramDr. Pakpum Somboon
- Biosensors- Medical instrumentation
- Electronic nose
www.eng.chula.ac.th
Different electrical or electromechanical responses between normal and infected cells are used for detecting and sorting in a microfluidic platform
Elongation of red blood cells trapped on the edges of electrodes under 5-MHz electric field. Center electrode width is 50 um.
Biosensors:
On-chip malaria detection
ProfessorDr. Boonchai Techaumnat
- Particle Electromechanics- Bioelectromagnetics
- Bioengineering
www.eng.chula.ac.th
Biosensors:
Optical sensor for determining nitric oxide changes
Associate ProfessorDr. Mana Sriyudthsak
- Medical instrumentation- Biosensors
- Chemical sensors
www.eng.chula.ac.th
Medical signal processing:
Real-time Ultrasound Denoising based on Adaptive Regularization Savitzky-Golay (ARSG) Filter
Associate ProfessorDr. Chedsada Chinrungrueng
- Adaptive filtering- Biomedical signal processing- Biomedical image processing
Input Signal Adaptive Adjusting
3D&2D Ultrasound Denoising
๐ฆ is adaptive adjusting based on local homogeneity
๐ฆ๐,๐,๐ = 1 โ โ๐,๐,๐/โ๐๐๐ฅ
โ๐,๐,๐ = ๐๐,๐,๐2 /๐๐,๐,๐
The Objective function: โ ิฆ๐ = โ๐ ิฆ๐ + ๐ โ๐( ิฆ๐)
โ๐ ิฆ๐ =
(๐,๐,๐)โ๐ฒ๐,๐,๐
๐ ๐ + ๐, ๐ + ๐, ๐ + ๐ โ ๐๐,๐ ๐, ๐, ๐2,
โ๐ ิฆ๐
=
๐,๐,๐ โ๐ฒ๐,๐,๐
๐ท๐ฅ๐๐,๐,๐ ๐, ๐, ๐ โ ๐ฆฮ๐ฅ๐ ๐ + ๐, ๐ + ๐, ๐ + ๐2
+
๐,๐,๐ โ๐ฒ๐,๐,๐
๐ท๐ฆ๐๐,๐,๐ ๐,๐, ๐ โ ๐ฆฮ๐ฆ๐ ๐ + ๐, ๐ + ๐, ๐ + ๐2
+
๐,๐,๐ โ๐ฒ๐,๐,๐
๐ท๐ง๐๐,๐,๐ ๐, ๐, ๐ โ ๐ฆฮ๐ง๐ ๐ + ๐, ๐ + ๐, ๐ + ๐2
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TP TP TP TP TP TP TP
Medical signal processing:
Automatic seizure detectionusing EEG
LecturerDr. Apiwat Lek-uthai
- Medical instrumentation- Medical signal processing
- ECG, EEG signal analysis
Assistant ProfessorDr. Jitkomut Songsiri
- Convex optimization- Biological system modeling
- EEG signal analysis
www.eng.chula.ac.th
16
Directional local mean difference level set method for locating a urinary bladder lumen in brachytherapy
Medical image processing:
Localization of urinary bladder lumen
By radiologist By radiologist AutomaticAutomatic
Assistant ProfessorDr. Supatana Auethavekiat
- Image processing- Video processing
- Compressed sensing