ENTRY

Jan 2026 Entry

STUDY MODE
Full-time, Part-time
Application Deadline
PhD & MPhil
30-Sep-2025
About Programme
How to Apply
Introduction

Data science (DS) and artificial intelligence (AI) are rapidly growing fields with enormous potential for innovation and societal impact. To position The Hong Kong Polytechnic University (PolyU) as a leader in the said fields, the Department of Data Science and Artificial Intelligence (DSAI) was officially established in July 2024.

 

DSAI will foster a culture of multidisciplinary, data-driven research and innovation. We will encourage faculty members and students to conduct cutting-edge research in six areas: Machine Learning and Optimization, Big Data Analytics and Management, Speech and Natural Language Processing, Computer Vision and Graphics, AI for Science, and AI for Healthcare. By pushing the boundaries of knowledge in these critical areas, DSAI aims to advance the DS and AI fields. Leveraging the power of data-driven insights and emerging technologies, we are poised to tackle many pressing societal challenges - from revolutionizing healthcare and transforming financial systems to accelerating scientific discovery and promoting environmental sustainability.

Research Area

Machine Learning

In today's world of abundant data and complex decision-making, Machine Learning stands as a cornerstone of innovation, addressing diverse challenges across multiple fields. Our research focuses on leveraging the transformative power of Machine Learning to solve intricate problems and explore new opportunities. By extracting valuable insights from large datasets, Machine Learning has revolutionized decision-making, pattern recognition, and predictive modeling. The key areas of our research focus include:

  1. Supervised Learning
  2. Unsupervised Learning
  3. Representation Learning
  4. Reinforcement Learning
  5. Deep Learning

Through these areas, we aim to harness Machine Learning's potential to drive innovation and create impactful solutions across various domains.

Please click here to find out more about the research interests of our individual academic staff. Contact our staff directly to discuss research opportunities.

Biometrics and Human Language Processing

Biometrics and Human Language Processing are pivotal research fields with significant societal and scientific impact. Our research aims to lead in these areas, harnessing their transformative potential across education, e-security, healthcare and information retrieval. By utilizing advanced algorithms, deep learning, and extensive language resources, we explore biometrics recognition, speech processing, language understanding, sentiment analysis, dialogue systems, and machine translation. Our such research focus includes:

  1. Biometrics Recognition
  2. Speech Processing
  3. Text Mining
  4. Sentiment Analysis
  5. Machine Translation
  6. Language Generation

We also delve into innovative applications like voice assistants and chatbots. Through interdisciplinary collaborations with experts in linguistics, identity science, cognitive science, and industry partners, we aim to advance biometrics and human language processing research. Our goal is to drive breakthroughs that will redefine human-computer interaction and revolutionize human communication in the digital age.

Please click here to find out more about the research interests of our individual academic staff. Contact our staff directly to discuss research opportunities.

Computer Vision and Graphics

The field of Computer Vision and Graphics has experienced significant advancements, transforming industries and applications by enabling machines to perceive and interpret visual information. As visual data grows in complexity, the demand for sophisticated algorithms require new research initiatives. Our research aims to leverage machine learning, high-performance computing, and advanced sensing technologies, to design novel solutions for image recognition, object detection, scene understanding, virtual reality, and augmented reality.

Our research focuses on:

  1. Image and Video Analysis
  2. 3D Vision and Reconstruction
  3. Graphics and Rendering
  4. Computational Photography and Image Processing
  5. Human-Computer Interaction (HCI) and User Interfaces

Through interdisciplinary collaborations with computer scientists, mathematicians, engineers, and industry experts, we aim to push the boundaries of computer vision and graphics. Our goal is to contribute to the development of innovative solutions and transformative technologies that will shape the future of visual computing.
 

Please click here to find out more about the research interests of our individual academic staff. Contact our staff directly to discuss research opportunities.

Data Technologies and Governance

In today's digital era, the exponential growth of data presents both challenges and opportunities across various sectors. Data technologies and governance have become crucial research areas, focusing on efficient data management and analysis for public benefit. This field addresses the evolving needs of industries, e-governance, and society, emphasizing the transformative power of data to enhance decision-making and unlock valuable insights.


Our research aims to lead in data technologies and governance, by leveraging on advances in data mining and predictive analytics. Our collaboration with experts in computer science, statistics, mathematics, and industry will develop novel methodologies, algorithms, and tools for efficient data storage, retrieval, analysis, and visualization. Our focus includes:

  1. Data Acquisition and Storage
  2. Data Integration and Preprocessing
  3. Big Data Technologies
  4. Data Privacy and Governance
  5. Bias, Fairness, and Ethical AI

Through these efforts, we aim to address data challenges, drive innovation, and transform industries.

Please click here to find out more about the research interests of our individual academic staff. Contact our staff directly to discuss research opportunities.

Statistical Learning and Optimization Methods

In today's data-rich environment, statistical learning and optimization strategies are crucial for addressing complex challenges across various domains. Our research focuses on leveraging these disciplines to address open research problems and explore new possibilities from the cutting-edge advancements in data science. Emerging optimization methods offer powerful tools for enhancing efficiency, resource allocation, and problem-solving in a diverse context.


Our research areas include:

  1. Probability Theory and Mathematical Statistics
  2. Statistical Analysis and Uncertainty Quantification
  3. Evolutionary Computation
  4. Generative and Large Models
  5. Time Series Analysis and Online Learning
  6. Optimization Methods

Through these efforts, we aim to advance statistical learning and optimization methods, contributing to the next-gen innovative solutions and transformative technologies.

Please click here to find out more about the research interests of our individual academic staff. Contact our staff directly to discuss research opportunities.

AI + X (Science, Healthcare, Neuroscience, etc.).

In the context of swiftly advancing AI capabilities, AI integration has become a transformative force, accelerating discoveries and optimizing processes across diverse fields. Our such AI + X initiative seeks to harness AI's potential to advance scientific inquiry in areas such as healthcare, neuroscience, and beyond. The fusion of AI technologies with vast datasets from experiments, simulations, and observations offers unprecedented opportunities to shape the future of society.


These research areas include:

  1. Domain-Specific Applications
  2. Interdisciplinary Research
  3. Neuromorphic Computing
  4. Personalized Medicine
  5. Financial Analytics
  6. Marketing and Social Analysis

Collaborating with academic units at PolyU, global research organizations, and partners, we aim to foster innovation and knowledge exchange, translating AI-driven advancements into practical applications for social good.
 

Please click here to find out more about the research interests of our individual academic staff. Contact our staff directly to discuss research opportunities.

Supporting Documents
Academic Referee's Report

Compulsory - Two Academic Referee's Reports are required.

Curriculum Vitae

Compulsory

Research Proposal

Compulsory - A standard form must be used for the submission of research proposal.  Please click here to download the form.

Transcript / Certificate

Compulsory – Please upload all academic qualifications including Bachelor’s degree and Master’s degree (if any) according to the University’s admission requirements, also refer to the ‘Procedures – Guidelines for Submitting Supporting Documents’ to follow the submission requirements. 

Personal Statement

Compulsory