Abstract
Artificial Intelligence (AI) has demonstrated remarkable potential for tackling grand challenges in human society. Yet, building an integrative Responsible AI system that is comprehensively aligned with multifaceted human values —rather than a single one —remains a major challenge in earning people’s trust, particularly in high-stakes domains like healthcare. To address the challenge, my vision is to harmonize, understand, and deploy Responsible AI: optimizing AI systems that balance real-world constraints in computational accessibility, data privacy, security, and ethical norms through use-inspired threat analysis and integrative ethical learning algorithms. Pursuing this vision, I developed privacy-preserving algorithms that are harmonized with high accessibility to edge devices, fairness to individuals, and security of ML systems. My work also systematically analyzed the multifaceted trust risks associated with model compression and fine-tuning toward edge and personalized use cases. Additionally, I explored Responsible AI techniques for in-home dementia prevention and diagnosis, expanding the time and space boundaries of dementia healthcare for socially isolated older adults. My work lays the foundation for Responsible AI algorithms, evaluation, and deployment, paving the future path toward reliable, verifiable, and effective AI in healthcare and beyond.
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