Email: zhaoqi.zhao@connect.polyu.hk
Self introduction
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PhD graduate: Department of Biomedical Engineering at The Hong Kong Polytechnic University in October 2024.
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Supervisor: Prof. Puxiang Lai (ORCID: 0000-0003-4811-2012).
- Research fileds:
- Computational imaging & deep learning models
- Overcoming speckles in scattering media
- Retrieving images from optical speckles
- Selected Publications:
- Optical imaging through spatiotemporally decorrelated speckles via GAN (Laser & Photonics Reviews, 2025)
- Direct classification through scattering media with limited information (Advanced Photonics Nexus, 2025)
- Delocalized information in optical speckles via learning-based study (Under revision, 2025)
- Speckle-based cryptosystem for face recognition via deep learning (Advanced Science, 2022)
- Parameter-free algorithm for iterative wavefront shaping (Optics Letters, 2021)
Biography
PolyU (Doctor of Philosophy) 09/2020 – 10/2024
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Affiliation: The Hong Kong Polytechnic University — Department of Biomedical Engineering
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Major: Biomedical Engineering (GPA: 3.49/4.30)
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Advisor: Prof. Puxiang Lai
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Research: Wavefront shaping, Speckle imaging, Computational imaging, Deep learning
THU (Master of Science) 09/2017 – 08/2020
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Affiliation: Tsinghua University — Tsinghua-Berkeley Shenzhen Institute
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Major: Data Science and Information Technology (GPA: 3.71/4.00)
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Advisor: Assoc. Prof. Xiang Qian, Prof. Xiaohao Wang, Prof. Zheng You, Prof. Liwei Lin (UC Berkeley)
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Research: Flexible sensors, Micro-electromechanical Systems
NWPU (Bachelor of Engineering) 09/2013 – 06/2017
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Affiliation: Northwestern Polytechnical University — Honors College & School of Electronics and Information
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Major: Electronic Information Engineering (GPA: 3.67/4.00)
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Advisor: Prof. Mingyi He
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Research: Image recognition, Deep learning
Publications
First or co-first authored papers:
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Laser & Photonics Reviews 2025 (IF = 10.0) DOI: 10.1002/lpor.202401836
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Speckle transformer: direct classification through scattering media with limited information
Advanced Photonics Nexus 2025 (IF = 6.0) DOI: XX/XX
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Delocalized information in optical speckles: a learning-based study
Under revision 2025
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Deep-Tissue Optics: Technological Development and Applications
Chinese Journal of Lasers 2024 (IF = 2.57) DOI: 10.3788/CJL231318
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Advanced Intelligent Systems 2024 (IF = 6.8) DOI: 10.1002/aisy.202400150
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Learning-based super-resolution interpolation for sub-Nyquist sampled laser speckles
Photonics Research 2023 (IF = 7.3) DOI: 10.1364/PRJ.472512
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Speckle-Based Optical Cryptosystem and its Application for Human Face Recognition via Deep Learning
Advanced Science 2022 (IF = 15.1) DOI: 10.1002/advs.202202407
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APL Photonics 2022 (IF = 5.6) DOI: 10.1063/5.0085943
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Parameter-free optimization algorithm for iterative wavefront shaping
Optics Letters 2021 (IF = 3.6) DOI: 10.1364/OL.427215
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Speckle-based optical cryptosystem for encrypted face recognition
Chinese Patent 2021 ZL202111273688.7
Non-first authored papers
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Speckle-Driven Single-Shot Orbital Angular Momentum Recognition with Ultra-Low Sampling Density
In process 2025 Preprint DOI: 10.21203/rs.3.rs-6363105/v1
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High-security learning-based optical encryption assisted by disordered metasurface
Nature Communications 2024 (IF = 14.9) DOI: 10.1038/s41467-024-46946-w
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Wavefront shaping: A versatile tool to conquer multiple scattering in multidisciplinary fields
The Innovation 2022 (IF = 23.6) DOI: 10.1016/j.xinn.2022.100292
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Accelerating deep learning with high energy efficiency: From microchip to physical systems
The Innovation 2022 (IF = 23.6) DOI: 10.1016/j.xinn.2022.100252
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Optics Express 2022 (IF = 3.8) DOI: 10.1364/OE.462275
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Dynamic mutation enhanced particle swarm optimization for optical wavefront shaping
Optics Express 2022 (IF = 3.8) DOI: 10.1364/OE.425615
Academic Posts
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Guest Editor - MDPI Electronics - Special Issues - Advances in Cryptography and Image Encryption
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Reviewer - Optics and Laser Technology
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Reviewer - MDPI Electronics
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Reviewer - MDPI Computer Science & Engineering
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Reviewer - MDPI Journal of imaging
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Reviewer - MDPI Fractal and fractional
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Reviewer - MDPI Applied sciences
Internship
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Student Ambassador - PolyU BME (06/2023 – 06/2023)
Served as a Student Ambassador during Student Ambassador for Research Postgraduate Summer School 2023.
Responsibilities included guiding the participants for visiting the campus, and introducing the facilities in labs and cutting-edge research conducted by faculty members of BME.
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Teaching assistant - PolyU BME (02/2022 – 06/2022)
Received the Best Teaching Assistant Award for exceptional contributions to the course “Biomedical Engineering Research and Design Studies II - Engineer for the Community”.
Roles included grading examination papers, reviewing assignments, assisting in laboratory experiment instruction, and supporting students throughout the course.
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Intern engineer - OPPO Shenzhen (07/2018 - 08/2018)
Completed an internship at OPPO, a leading Chinese electronics corporation specializing in smartphones, headquartered in Guangdong.
Focused on enhancing the photography capabilities through the research of advanced deep learning-based image recognition and segmentation algorithms, contributing to high-quality products to global consumers.
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Intern engineer - He Ying Shenzhen (07/2018 - 07/2018)
Engaged in an intern position at He Ying, a pioneering startup located in Shenzhen, known for its collaboration with JEEP to develop co-branded Android smartwatches.
Played a crucial role in gathering and analyzing user experience feedback from pre-release smartwatch models, providing insightful recommendations to enhance product quality and user satisfaction.
Miscellaneous Information
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Languages: English (fluent); Mandarin (mother language); Cantonese (basic)
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Programming: Python; MATLAB; C language; Shell-Linux
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Deep learning frameworks: PyTorch, PyTorch Lightning
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Other skills: MS Office; Video Clipping; Driving
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Hobbies: Hiking, Photography