Changmok Choi

Summary

Affiliation: Sungkyunkwan University School of Medicine
Country: Korea

Publications

  1. doi request reprint A PD control-based QRS detection algorithm for wearable ECG applications
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology SAIT, Samsung Electronics Co, Ltd, Yongin, The Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2012:5638-41. 2012
  2. doi request reprint Development and evaluation of a assistive computer interface by SEMG for individuals with spinal cord injuries
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology SAIT, Yongin, Republic of Korea
    IEEE Int Conf Rehabil Robot 2011:5975386. 2011
  3. doi request reprint A physiologically and biomechanically approximate model for surface electromyography amplitude estimation
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2011:4086-9. 2011
  4. ncbi request reprint Development of a surgical simulator for laparoscopic esophageal procedures
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Seoul, Korea
    Conf Proc IEEE Eng Med Biol Soc 1:819-22. 2006
  5. doi request reprint Graphic and haptic modelling of the oesophagus for VR-based medical simulation
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
    Int J Med Robot 5:257-66. 2009
  6. doi request reprint Motion artifact reduction in electrocardiogram using adaptive filtering based on half cell potential monitoring
    Byung Hoon Ko
    Future IT Research Center, Samsung Advanced Institute of Technology, Samsung Electronics Co, Ltd, Yongin, Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2012:1590-3. 2012
  7. doi request reprint Real-time pinch force estimation by surface electromyography using an artificial neural network
    Changmok Choi
    Department of Mechanical Engineering, KAIST, Daejeon, Republic of Korea
    Med Eng Phys 32:429-36. 2010
  8. doi request reprint Synergy matrices to extract fluid wrist motion intents via surface electromyography
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology KAIST, Daejeon, Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2010:3511-4. 2010
  9. ncbi request reprint Classification of afferent signals recorded with a single cuff electrode
    Changmok Choi
    Biorobotics Lab, Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, South Korea
    Conf Proc IEEE Eng Med Biol Soc 2007:2385-8. 2007
  10. doi request reprint An SEMG computer interface using three myoelectric sites for proportional two-dimensional cursor motion control and clicking for individuals with spinal cord injuries
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology, Yongin, Republic of Korea
    Med Eng Phys 35:777-83. 2013

Collaborators

Detail Information

Publications12

  1. doi request reprint A PD control-based QRS detection algorithm for wearable ECG applications
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology SAIT, Samsung Electronics Co, Ltd, Yongin, The Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2012:5638-41. 2012
    ..The overall sensitivity and positive predictive value were 99.28% and 99.26%, respectively. The proposed algorithm has low computational complexity, so that it can be suitable to apply mobile ECG monitoring system in real time...
  2. doi request reprint Development and evaluation of a assistive computer interface by SEMG for individuals with spinal cord injuries
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology SAIT, Yongin, Republic of Korea
    IEEE Int Conf Rehabil Robot 2011:5975386. 2011
    ..2604 b/s for the SCI patient and 0.4295 ± 0.0600 b/s for the healthy subjects. This interface could help SCI patients handle a wider range of activities such as browsing the Internet and communicating with others...
  3. doi request reprint A physiologically and biomechanically approximate model for surface electromyography amplitude estimation
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2011:4086-9. 2011
    ..The performance (R(2)) of the proposed method (0.94 ± 0.03) outperformed it of MAV (0.90 ± 0.02). The method we proposed should be widely applicable to quantitatively analysis muscle activities by sEMG...
  4. ncbi request reprint Development of a surgical simulator for laparoscopic esophageal procedures
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Seoul, Korea
    Conf Proc IEEE Eng Med Biol Soc 1:819-22. 2006
    ..This system can be used to demonstrate deformation and cutting of the esophagus, where the user can haptically interact with the virtual soft tissues and see the corresponding organ deformation on the visual display simultaneously...
  5. doi request reprint Graphic and haptic modelling of the oesophagus for VR-based medical simulation
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
    Int J Med Robot 5:257-66. 2009
    ..This paper describes the modelling of an oesophagus for a real-time laparoscopic surgical simulator...
  6. doi request reprint Motion artifact reduction in electrocardiogram using adaptive filtering based on half cell potential monitoring
    Byung Hoon Ko
    Future IT Research Center, Samsung Advanced Institute of Technology, Samsung Electronics Co, Ltd, Yongin, Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2012:1590-3. 2012
    ..Noise reduction was performed using adaptive filtering, based on a reference signal highly correlated with it. Direct measurement of HCP variations can eliminate the need for additional sensors...
  7. doi request reprint Real-time pinch force estimation by surface electromyography using an artificial neural network
    Changmok Choi
    Department of Mechanical Engineering, KAIST, Daejeon, Republic of Korea
    Med Eng Phys 32:429-36. 2010
    ..The training time for each subject was short (approximately 96s), and the estimation results were promising, with a normalized root mean squared error (NRMSE) of 0.081+/-0.023 and a correlation (CORR) of 0.968+/-0.017...
  8. doi request reprint Synergy matrices to extract fluid wrist motion intents via surface electromyography
    Changmok Choi
    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology KAIST, Daejeon, Republic of Korea
    Conf Proc IEEE Eng Med Biol Soc 2010:3511-4. 2010
    ....
  9. ncbi request reprint Classification of afferent signals recorded with a single cuff electrode
    Changmok Choi
    Biorobotics Lab, Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, South Korea
    Conf Proc IEEE Eng Med Biol Soc 2007:2385-8. 2007
    ..In the future, the possibility of discriminating additional stimuli using additional channels and more advanced classification techniques will be investigated...
  10. doi request reprint An SEMG computer interface using three myoelectric sites for proportional two-dimensional cursor motion control and clicking for individuals with spinal cord injuries
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology, Yongin, Republic of Korea
    Med Eng Phys 35:777-83. 2013
    ..1962±0.0562 b/s for the SCI patients and 0.4356±0.0706 b/s for the healthy subjects. This interface could help SCI patients handle a wider range of activities such as browsing the Internet and communicating with others...
  11. ncbi request reprint Virtual surgery simulation for medical training using multi-resolution organ models
    Jung Kim
    School of Mechanical, Aerospace and Systems Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
    Int J Med Robot 3:149-58. 2007
    ..In this paper we propose a method to overcome this challenge by introducing a multi-resolution modelling technique...
  12. doi request reprint Synergy matrices to estimate fluid wrist movements by surface electromyography
    Changmok Choi
    Future IT Research Center, Samsung Advanced Institute of Technology SAIT, Yongin, Republic of Korea
    Med Eng Phys 33:916-23. 2011
    ..This work could be useful not only for wrist prostheses but also for alternative computer interfaces and studies to examine motor adaptation by sEMG...