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Data-Efficient Algorithms for Advancing Medical Artificial Intelligence
Data-Efficient Algorithms for Advancing Medical Artificial Intelligence
Data-Efficient Algorithms for Advancing Medical Artificial Intelligence

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211153051
ISBN  
9798346389798
DDC  
519.54
저자명  
Mottaghi, Seyyed Ali.
서명/저자  
Data-Efficient Algorithms for Advancing Medical Artificial Intelligence
발행사항  
[Sl] : Stanford University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
124 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-05, Section: B.
주기사항  
Advisor: Yeung-Levy, Serena.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2024.
초록/해제  
요약As artificial intelligence increasingly integrates into medical practice, the need for data-efficient models becomes paramount, especially given the high cost and complexity of obtaining large, annotated datasets in the medical field. This dissertation is structured around three central themes:1. Utilizing Active Learning to Address Label Scarcity: Active learning is employed to strategically select the most informative data points for labeling, thereby maximizing the utility of limited labeling resources. The work introduces a novel adversarial representation active learning framework that effectively combines adversarial learning with active learning to enhance model performance in scenarios with limited labeled data. Additionally, a focused application on medical symptom recognition from patient-reported text demonstrates how active learning can address the challenges of long-tailed, multi-label distributions in telehealth settings.2. Maximizing Unlabeled Data with Semi-Supervised Learning and Domain Adaptation: The dissertation advances the state-of-the-art in semi-supervised learning by developing methods that leverage the vast amounts of unlabeled data available in medical contexts. The proposed AdaEmbed model for semi-supervised domain adaptation addresses the issue of domain shift, enabling AI models trained in one clinical environment to adapt effectively to new, unlabelled domains. This theme is further explored through the adaptation of surgical activity recognition models across different operating rooms, highlighting the importance of robust domain adaptation in achieving generalizable AI solutions.3. Enhancing Robustness and Efficiency with Pre-Trained Foundation Models: To overcome the challenges of limited data and enhance model robustness, the dissertation explores the use of pre-trained models and foundation models in healthcare applications. This is exemplified through the development of a video-based AI system for assessing facial paralysis, which uses pre-trained components to deliver accurate and standardized assessments. Additionally, the structured analysis of trauma care documentation using large language models demonstrates how AI can transform unstructured clinical notes into organized, actionable insights, improving the efficiency and effectiveness of trauma care.
일반주제명  
Sensitivity analysis
일반주제명  
Labeling
일반주제명  
Adaptation
일반주제명  
Trauma care
일반주제명  
Large language models
일반주제명  
Visualization
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 86-05B.
전자적 위치 및 접속  
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■035    ▼a(MiAaPQ)Stanfordjr478gf9209
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a519.54
■1001  ▼aMottaghi,  Seyyed  Ali.
■24510▼aData-Efficient  Algorithms  for  Advancing  Medical  Artificial  Intelligence
■260    ▼a[Sl]▼bStanford  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a124  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-05,  Section:  B.
■500    ▼aAdvisor:  Yeung-Levy,  Serena.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2024.
■520    ▼aAs  artificial  intelligence  increasingly  integrates  into  medical  practice,  the  need  for  data-efficient  models  becomes  paramount,  especially  given  the  high  cost  and  complexity  of  obtaining  large,  annotated  datasets  in  the  medical  field.  This  dissertation  is  structured  around  three  central  themes:1.  Utilizing  Active  Learning  to  Address  Label  Scarcity:  Active  learning  is  employed  to  strategically  select  the  most  informative  data  points  for  labeling,  thereby  maximizing  the  utility  of  limited  labeling  resources.  The  work  introduces  a  novel  adversarial  representation  active  learning  framework  that  effectively  combines  adversarial  learning  with  active  learning  to  enhance  model  performance  in  scenarios  with  limited  labeled  data.  Additionally,  a  focused  application  on  medical  symptom  recognition  from  patient-reported  text  demonstrates  how  active  learning  can  address  the  challenges  of  long-tailed,  multi-label  distributions  in  telehealth  settings.2.  Maximizing  Unlabeled  Data  with  Semi-Supervised  Learning  and  Domain  Adaptation:  The  dissertation  advances  the  state-of-the-art  in  semi-supervised  learning  by  developing  methods  that  leverage  the  vast  amounts  of  unlabeled  data  available  in  medical  contexts.  The  proposed  AdaEmbed  model  for  semi-supervised  domain  adaptation  addresses  the  issue  of  domain  shift,  enabling  AI  models  trained  in  one  clinical  environment  to  adapt  effectively  to  new,  unlabelled  domains.  This  theme  is  further  explored  through  the  adaptation  of  surgical  activity  recognition  models  across  different  operating  rooms,  highlighting  the  importance  of  robust  domain  adaptation  in  achieving  generalizable  AI  solutions.3.  Enhancing  Robustness  and  Efficiency  with  Pre-Trained  Foundation  Models:  To  overcome  the  challenges  of  limited  data  and  enhance  model  robustness,  the  dissertation  explores  the  use  of  pre-trained  models  and  foundation  models  in  healthcare  applications.  This  is  exemplified  through  the  development  of  a  video-based  AI  system  for  assessing  facial  paralysis,  which  uses  pre-trained  components  to  deliver  accurate  and  standardized  assessments.  Additionally,  the  structured  analysis  of  trauma  care  documentation  using  large  language  models  demonstrates  how  AI  can  transform  unstructured  clinical  notes  into  organized,  actionable  insights,  improving  the  efficiency  and  effectiveness  of  trauma  care.
■590    ▼aSchool  code:  0212.
■650  4▼aSensitivity  analysis
■650  4▼aLabeling
■650  4▼aAdaptation
■650  4▼aTrauma  care
■650  4▼aLarge  language  models
■650  4▼aVisualization
■690    ▼a0800
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g86-05B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164822▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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