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Avatar of 宋浩茹 Ellie Sung.
AI工程師、機器學習工程師、深度學習工程師、資料科學家、Machine Learning Engineer、Deep Learning Engineer、Data Scientist
Within one month
reducing parameter training volume to 2% , decreasing memory usage by 70%, and increasing training speed by 25%. Architecture Optimization: Used Direct Preference Optimization (DPO) to optimize Reinforcement Learning, improving model efficiency and decision quality. [ G itHub ] Graduate Research Assistant OctOct 2023 Institute of Information Science, Academia Sinica, Taiwan Natural Language and Knowledge Processing Lab (NLP Lab) Publication: Published in ACM CIKMSequential Text-based Knowledge Update with Self-Supervised Learning for Generative Language Models . [ Paper | GitHub ] Performance has improved by 18.8% compared to traditional methods in the past and surpassed SOTA LLMs by 39.6
Python
R
Natural Language Processing (NLP)
Employed
Ready to interview
Full-time / Interested in working remotely
4-6 years
國立政治大學(National Chengchi University)
資訊科學系
Avatar of Patrick Hsu.
Avatar of Patrick Hsu.
Algorithm Research & Development @適着三維科技股份有限公司 TG3D Studio Inc.
2021 ~ Present
Software Engineer
Within one month
Patrick Hsu AI Research & Development As a seasoned AI engineer with six years of experience, I specialize in computer vision, 3D body model reconstruction, generative AI, and possessing some knowledge in natural language processing (NLP). | New Taipei City, [email protected] Work Experience (6 years) Algorithm Research & Design• TG3D Studio MayPresent A skilled engineer specialized in computer vision and generative AI with experience in developing and training AI models for digital fashion applications. Body AI: Virtual Try On Integrated cutting-edge technologies such as Stable Diffusion, ControlNet, and Prompt Engineering to create a sophisticated system for
Python
AI & Machine Learning
Image Processing
Employed
Ready to interview
Full-time / Interested in working remotely
4-6 years
國立台灣大學
生物產業機電工程所
Avatar of the user.
Avatar of the user.
Past
Senior Product Growth Manager @SOSV
2018 ~ 2023
Product Manager / Product Growth
Within one month
Golang
Javascript
Perl
Unemployed
Ready to interview
Full-time / Interested in working remotely
10-15 years
Quantic School of Business and Technology
Avatar of chiyun chao.
Avatar of chiyun chao.
Research & Development Engineer @三竹資訊股份有限公司
2023 ~ Present
AI工程師、機器學習工程師、深度學習工程師、資料科學家、Machine Learning Engineer、Deep Learning Engineer、Data Scientist
Within one month
趙啟雲 chiyun chao A software engineer with 4 years of experience in AI model training and backend development. In the domain of machine/deep learning, I am familiar with: - focus on NLP(Natural language processing) and DPI(Deep packet inspection) - NLP networks such as Transformer, BERT, T5 - have experience with AI training platform development with mlflow, Label Studio, DVC In terms of backend development, I have the following experience: - backend framework: Spring boot, Flask - familiar with DB syntax for Elasticsearch, PosgresSQL and MSSQL Taiwan E-mail: [email protected] Skill languages Python JAVA backend
Python
JAVA
Linux
Employed
Open to opportunities
Full-time / Not interested in working remotely
4-6 years
國立中央大學 National Central University
資訊工程
Avatar of 陳惠龍.
Avatar of 陳惠龍.
Data science lecturer @Ittraining
2020 ~ Present
Data Scientist 資料科學家_數據分析師
Within one month
HUEY-LONG CHEN 陳惠龍 Kaggle Competitions Expert: https://www.kaggle.com/alanchen1115 Competitions: NLP (自然語言處理): - Silver medal (solo): (Kaggle) The Learning Agency Lab - PII Data Detection: Develop automated techniques to detect and remove PII from educational data. 2024/04/24 - Silver medal (solo): (Kaggle) U.S. Patent Phrase to Phrase Matching: Help Identify Similar Phrases in U.S. Patents, 2022/06/21 Recommendation system (推薦系統): - Silver medal (solo): (Kaggle) OTTO – Multi-Objective Recommender System: Build a
nlp-rasa
recommender system
pytorch tensorflow
Employed
Open to opportunities
Part-time / Interested in working remotely
More than 15 years
Purdue University
School of civil engineering (Stochastic & statistical hydrology)
Avatar of the user.
Avatar of the user.
商業分析師 @凱基商業銀行股份有限公司
2021 ~ Present
Data Analyst、Data Engineer、Data Scientist、Customer Experience Analyst
Within one month
Python
English as a Second Language (ESL)
Excel
Employed
Open to opportunities
Full-time / Interested in working remotely
4-6 years
國立政治大學(National Chengchi University)
數位內容
Avatar of William Chao.
Avatar of William Chao.
Android Team Lead @104 Corporation
2018 ~ Present
Senior Software Engineer, Principal Software Engineer, Engineering Manager
Within two months
incorporating: - A clean architectural approach - Integration with Firebase services - Support for the latest Android features ensuring scalability for future organizational growth - Successfully retained a 4.6-star user rating and boosted job application rates by 10%. • AI Implementation: Created an AI tool to convert UI test cases from natural language into UiAutomator2 scripts, seamlessly integrating them into the CICD process. This resulted in a 90% acceleration UiAutomator2 test case generation. • Technology Introduction: - Flutter: Developed an in-house App Dashboard to consolidate Android/iOS/backend CICD build statuses and test report outcomes. Single-handedly
Android
Software Development
Software Architecture
Employed
Open to opportunities
Full-time / Interested in working remotely
More than 15 years
UNSW
Computer software, network and security engineering
Avatar of the user.
Avatar of the user.
Past
iOS Engoneer @VoiceTube 紅點子科技股份有限公司
2020 ~ 2023
iOS Developer
Within three months
Swift/iOS
Objective-C
Git
Unemployed
Open to opportunities
Full-time / Interested in working remotely
6-10 years
國立臺北大學 National Taipei University
資工所
Avatar of 高振倫.
Avatar of 高振倫.
Data Engineer @MediaTek Inc.
2019 ~ Present
Senior Software Engineer
Within one month
with problem solving, I have strong determination to succeed and hope to make a contribution to every opportunity. Data Engineer Hsinchu, TW [email protected] Skills Big Data Engineering Rich knowledge in NoSQL , skilled in RESTful search API and distributed analytics engine ElasticSearch . Experienced in multilingual Natural Language Processing , working on reliable data pre-processing and data cleaning. Deep Learning Leading team members to do research and build Machine Learning models, further designing prototypes on application system. Utilizing Deep Learning methods (CNN/RNN) to process heterogeneous documents and develop systems for market analysis
Python
Linux
Machine Learning
Employed
Open to opportunities
Full-time / Interested in working remotely
6-10 years
National Tsing Hua University
Data Mining, Database System
Avatar of 金爾康.
Avatar of 金爾康.
Engineering Manager @Viscovery 創意引晴股份有限公司
2018 ~ Present
Within one month
including Recurrent Neural Network (RNN), word2vec, paragraph vector. Working Experience Intern, JulDec 2014 Phalanx Biotech Develop machine learning solutions for cancer gene detection and TSMC semiconductor quality prediction. Intern, JulAug 2013 Solid State System Assisted in CMOS MEMs microphone product development including proto-type simulation, fabrication/packaging process, defect analysis and market survey. Achievements 1. Qualified of preliminary contest of TSMC Big Data Analytics for Semiconductor Manufacturing. Taiwan,Completion of Broad-DREAM Gene Essentiality Prediction Challenge, 2014 Professional Skills Research Field Machine Learning Deep Learning Computer Vision Natural Language Processing Lang...
Deep Learning
Computer Vision
FastAPI
Employed
Open to opportunities
Full-time / Interested in working remotely
4-6 years
國立台灣大學
Electrical Engineering

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Definition of Reputation Credits

Technical Skills
Specialized knowledge and expertise within the profession (e.g. familiar with SEO and use of related tools).
Problem-Solving
Ability to identify, analyze, and prepare solutions to problems.
Adaptability
Ability to navigate unexpected situations; and keep up with shifting priorities, projects, clients, and technology.
Communication
Ability to convey information effectively and is willing to give and receive feedback.
Time Management
Ability to prioritize tasks based on importance; and have them completed within the assigned timeline.
Teamwork
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Leadership
Ability to coach, guide, and inspire a team to achieve a shared goal or outcome effectively.
Within one month
Machine Learning Engineer & Data Scientist
Logo of 群聯電子股份有限公司(Phison Electronics Corp).
群聯電子股份有限公司(Phison Electronics Corp)
2024 ~ Present
Taipei, 台灣
Professional Background
Current status
Employed
Job Search Progress
Open to opportunities
Professions
Data Scientist, Machine Learning Engineer, Radio Frequency (RF) Engineer
Fields of Employment
Artificial Intelligence / Machine Learning, Internet of Things (IoT), Consumer Electronics
Work experience
1-2 years
Management
None
Skills
C++
C
Python
Matlab
Keras
PyTorch
Tensorfolw
OpenCV
Scikit-Learn
Machine Learning
Deep Learning
Computer Vision
Natural Language Processing
Google Cloud Platform (GCP)
BigQuery
Hadoop
Apache Spark
MySQL
PostgreSQL
Kubernetes
Git
Github
HTML5
CSS
JavaScript
Reinforcement Learning
Natural Language Understanding
Software Testing
XGBoost
BeautifulSoup4
Selenium
Flask
Kubernetes/Docker
Ubuntu
MLOps
SDN/NFV
ETL
Exploratory Data Analysis
MongoDB
HuggingFace 🤗
Linux
System Programming
System Development
Languages
English
Professional
French
Beginner
Chinese
Native or Bilingual
Job search preferences
Positions
AI工程師、機器學習工程師、深度學習工程師、資料科學家、Machine Learning Engineer、Deep Learning Engineer、Data Scientist
Job types
Full-time
Locations
HongKong, 香港, Singapore, 新加坡, Taipei, 台灣, New Taipei City, 台灣, Hsinchu City, 台灣, Taichung, 台灣, Tainan, 台灣
Remote
Interested in working remotely
Freelance
No
Educations
School
國立台灣大學 National Taiwan University
Major
Graduate Institute of Photonics and Optoelectronics
Print

Chih-Hao Liu

I am Steve, a dedicated professional in AI Research, 5G technology, and Materials Sciences. I enjoy street dancing, channeling my creativity into writing blogs, listening to podcasts about international affairs, and exploring new destinations through travel.

  Taipei, Taiwan         

Working Experience


Research Assistant (part-time) – 5G technology 

Institute for Information Industry 

05 2022 - 08 2023
Taipei, Taiwan

  • Analysis specification: 3GPP 5G NR/4G LTE L1/L2/L3, O-RAN 11 WG, ETSI MANO. 
  • Source code mapping: O-RAN open source project (RIC/SMO/O-Cloud/xAPP), ONAP (SDNR/CCSDK), and OAI (L1/L2/L3). 
  • Market research: telecom operators open RAN product & solutions, O-RAN integration & testing, and white paper reading. 

Research Assistant (part-time) – AI in Medicine 

National Taiwan University

08 2021 - 08 2023
Taipei, Taiwan

  • Collaborated with a biotech startup, hospital, and research institutes to develop AI tool and applications on human skin. 
  • Data management, data storage, image processing, DL/CV algorithms design, SOTA model comparison, model fine-tuning, model optimization, model management, quality assessment, IRB report, journal, and patent writing. 
  • Authored 10 publications (1 st author × 8 / 2nd author × 2) with 1 published, 3 under review, 6 manuscripts completed and 1 patent (applied for provision). 

Programming Lecturer 

(part-time)

Coding APE Ltd.

09 2021 - 08 2023
Taipei, Taiwan

  • Teach teenagers about data structures and algorithms, advanced placement, computer science, C++/Python object-oriented programming, web crawler, Line chatbot design, Pygame development.

Research Assistant (full-time) – Physics 

National Taiwan University

09 2020 - 02 2021
Taipei, Taiwan

  • Researched in non-destructive optical inspection for measuring the thermal properties of semiconductor materials. 
  • Designed optical experiments, operated equipment, and system signal processing, and conducted materials analysis. 
  • Published in Taiwan Thermoelectric Conference and honored with the NTU CCMS Innovative Competition Excellent Award. 

Summer Research (intern) - Mathematical Theory 

National Center for Theoretical Sciences

07 2020 - 0 2020
Taipei, Taiwan

  • Researched in time series analysis using integral transform and machine learning. 
  • Studied the mathematical theory on scattering transform and dimensional reduction for signal processing. 

Education


National Taiwan University, 

M.S. in Electrical Engineering and Computer Sciences -  Optoelectronics  •  2021 - 2023

  • [Thesis]: Quantitative and Qualitative Analysis of Human Skin Structures and Lesions in Cellular-Resolution OCT Images by Deep Learning (English version, 408 pages).
  • [CS Courses]: Algorithms Design and Analysis (audit), Operating System, Compiler Design, Applied Deep Learning, Data Structures (audit), Database Management. 
  • [EE Courses]: Medical Photonics, Silicon Photonics, Integrated Optics, IC Engineering, Optoelectronics, Solid State Lighting, Semiconductor and Display, and Optical Techniques in Diagnosis, Optical Simulation, Optical System. 

National Cheng Kung University

Double Degree in B.S. in Optical Science and B.Eng. in Chemical Engineering  •  2021 - 2023

(Studied Civil Engineering during 2015 to 2017, Transferred to Optical Science at 2017)  

  • [Courses]: Take more than 240 credits and more than 100 courses, including Quantum Physics, Molecular Simulation, Process design, Big Data Analysis, Finite Element Analysis, Optical Communication.
  • [Activity]: Participate in 3 student clubs
  • [Research]: Conduct undergraduate research in 3 distinct labs and 3 side projects in senior/graduate level courses. 

Skills


Software Engineering  

Python, PyTorch, Tensorflow, SciKit learn, Hugging Face, OpenCV, C/C++, Java, MySQL, PostgreSQL, Spark, Hadoop, BS4, Selenium, GCP, BigQuery, Flask, HTML, CSS, JS, LabVIEW, Linux, Ubuntu, Kubernetets, Git/Github. 

Computer Sciences

Computer Programming, Operating System, Compiler Design, Applied Deep Learning, Algorithm Design & Analysis (audit), Data Structures (audit), Computer Architecture (audit), Database, Statistics, Big Data Analysis.

Machine Learning 

XGBoost, DL, CV, NLP/NLU, RL, XAI, MLOps, Recommendation Systems, LLM Fine-tuning & Prompting, Self-supervised Learning, Few-Shot Learning, SHAP, Grad-CAM, ETL, EDA, MapReduce, DB Management. 

Mathematical Simulation 

MatLab, ANSYS, COMSOL, R , Numerical Simulation, Numerical Analysis, Finite Element Analysis, Differential Equation (Eng. Mat. I), Linear Algebra (Eng. Mat. II), Fourier Analysis (Eng. Mat. III), Probability 

Communication Specification

3GPP 5G NR/4G LTE spec, L1/L2/L3 architecture, ETSI MANO framework, O-RAN spec, OSC, ONAP.

Soft skills

Problem-Solving, Strong Adaptability, High Flexibility, Patience, Good Verbal Communication, High Learning agility 

Honor and Award


  • Hahow Ltd. Course Recommendation System Design Competition – Mentioned Award / Kaggle Rank 1. (May, 2023). 
  • National Synchrotron Radiation Research Center Winter School – Group Presentation 1st Prize. (Jan, 2022).
  • NTU Center for Condense Matter Sciences Innovation Competition – Excellent Award. (Feb, 2021)
  • NCKU Graduate Representative (Jun, 2020) 

Publication and Patent 


Journal paper

  • [1] Tsai, S. T.,Liu, C. H., Chan, C. C., Li, Y. H., Huang, S. L., & Chen, H. H. (2022). H&E-like staining of OCT images of human skin via generative adversarial network. Applied Physics Letters, 121(13), 134102. 
  • [2] Liu, C. H., Fu, L. W., Chen, H. H., & Huang, S. L. (2023). Toward cell nuclei precision between OCT and H&E images translation using signal-to-noise ratio cycle-consistency. Computer Methods and Programs in Biomedicine, 107824. 
  • [3] Liu, C. H., Fu, L. W., Chang, S. W., Wang, Y. J., Wang, J. Y., Wu, Y. H., Chen, H. H., & Huang, S. L. (2023). Optimization and limitation of U-Net-based segmentation for quantitatively evaluating in-vivo human skin layers and keratinocytes in cellularresolution FF-OCT imaging. Journal of Biomedical Informatics (under review). 
  • [4] Fu, L. W., Liu, C. H., Jain, M., Chen, J. C. S., Wu, Y. H., Huang, S. L., & Chen, H. H. (2023) Training with uncertain annotations for semantic segmentation of basal cell carcinoma from FF-OCT images. IEEE Transactions on Medical Imaging (under review). 
  • [5] Liu, C. H., Chen, Y. S., Chen, Y. C., & Huang, S. L. (2023). Cellular-resolution OCT image denoising with unpaired reference guided deep generative network. Biomedical Signal Processing and Control (submitted). 
  • [6] Liu, C. H., Wang, Y. J., Wang, J. Y., Wu, Y. H., & Huang, S. L. (2023). 3D in-vivo human skin keratinocytes segmentation in FFOCT images from 2D pseudo label using self-training. Computerized Medical Imaging and Graphics (submitted). 
  • [7] Liu, C. H., & Huang, S. L. (2023). Unpaired in-vivo OCT and ex-vivo H&E human skin image translation using auxiliary learning. Medical Image Analysis (submitted) 
  • [8] Liu, C. H., Wang, Y. J., Wang, J. Y., Wu, Y. H., & Huang, S. L. (2023). Self-supervised in-vivo OCT human skin lesions classification with curriculum learning path. (manuscript). 
  • [9] Liu, C. H., Wang, Y. J., Wang, J. Y., Wu, Y. H., & Huang, S. L. (2023). Few-shot in-vivo human skin lesions identification in cellular-resolution FF-OCT image with contrastive pre-training. (manuscript). 
  • [10] Liu, C. H., & Huang, S. L. (2023). Monte Carlo OCT simulation assisting real world segmentation with few data. (manuscript).

Conference paper

  • [1] Liu, C. H., & Chang, C. W. (2021) Infrared frequency domain thermoreflectance measurements of thermal conductivity. Annual Meeting of Taiwan Themoelectric Society. 
  • [2] Liu, C. H., & Tseng, S. Y. (2019) Short and broadband mode-division multiplexers using shortcut to adiabaticity and supersymmetric optical structures. Optic and Photonic Taiwan International Conference.  

Patent

  • [1] Deep Learning-Based Conversion of Optical Coherence Tomography Image to Pathological Slice Image for Biomedical Structure and Composition Mapping. (US Provisional Patent).

Projects Experience 


O-RAN Open Source Project Study 

Conducted a source code mapping analysis for O-RAN 5G specifications, covering components such as Near-RT RIC/Non-RT RIC, SMO, and xAPP/rAPP. Analyzed E2/A1/O1/O2/R1 interface transport APIs and investigated the relationship between the 3GPP framework and O-RAN's 7.2x split architecture. Explored the ETSI MANO framework in the context of SMO/O-Cloud schemes.

2D/3D Human Skin Cell Segmentation Tool Development 

Collaborated with a biotechnology startup to develop 2D/3D segmentation models and enhance image quality. Established and optimized U-Net model training procedures, resulting in a significant accuracy improvement from 41% to 72%. Achieved acceleration in GPU inference speed from 3 minutes to 16 seconds, and reduced memory storage requirements by a factor of 8.

Mackay Memorial Hospital Lesions Identification Model Design 

Partnered with Mackay Memorial Hospital to design AI models for the clinical diagnosis of human skin conditions. Conducted EDA on a dataset comprising data from over 100 patients, achieving a 91% accuracy in identifying 14 different skin lesions. Developed a few-shot model capable of detecting diseases with limited data availability. Conducted research on visual explanation figures to gain insights into the model's decision-making process. 

Pseudo Pathological Slices Application Development 

Collaborated with NTU Hospital, NTU CSIE, and NTU GIEE to develop a generative AI model capable of translating non-invasive microscopic images into conventional H&E slices. Curated a diverse image dataset and designed novel DL algorithms that achieved SOTA performance. Enhanced translation accuracy through auxiliary learning and patent the concept. 

Hahow Ltd. Course Recommendation System Design 

Designed and implemented a ML-based recommendation system to predict courses likely to be purchased by both new and existing customers. Conducted a comprehensive EDA on customer data, leveraging multiple ML algorithms. Explored customer behavior and assessed the impact of advertising efforts. Skillfully managed feature engineering to optimize the performance. 

Personal Achievements 


Linux Programming Study Note Series 

Writing 25+ articles on Medium, providing the holistic introduction of system programming concept. Conduct hand-on developments for Linux system call and instruction using C programming language.

Machine Learning Study Note Series 

Writing 100+ articles on Medium, providing in-depth explanations of ML algorithms' theories. Implemented these algorithms from scratch, without reliance on ML toolkits, to ensure a strong foundational understanding. 

NCKU Freshman Lecture – Speaker 

Lecturing to over 300 incoming freshman students. Shared personal insights and experiences regarding major selection, double majors, minors, and the university's available resources, helping students make informed decisions about their academic paths. 

Optic and Photonic Taiwan International Conference – Student Event Organizer 

Coordinated a chapter event attended by 300+ participants, including international scholars and esteemed guests. 

Extracurricular Activities


President of NCKU Student Chapter / Optical Society of America (Jul, 2019 ~ Jun, 2020) 

Promote optical science and be the bridge between students and corporate. Organize the company visitation, research institute visitation, and professional lectures 

Group Member / Yunnan Overseas Services Learning Program (Sep, 2018 ~ Oct, 2019) 

build 10 eco-friendly toilets in Yunnan China Country Side. 

Choreographer / NCKU Pop Dance Club (Sep, 2017 ~ Jan, 2018) 

Dance Choreographing for the winter session presentation. 

Certification


Spark - Level 2

IBM

7fb1c8be-0569-4f66-871d-552ca9f6afcf

Hadoop Foundations - Level 2

IBM

22dc74ac-8924-4f55-ba3a-afd730a5c403

Perform Foundational Infrastructure Tasks in Google Cloud

Google

1115863

Perform Foundational Data, ML, and AI Tasks in Google Cloud

Google

1113540

Insights from Data with BigQuery

Google

1114498

Explore Machine Learning Models with Explainable AI

Google

1115556

Create ML Models with BigQuery ML

Google

1115438

Resume
Profile

Chih-Hao Liu

I am Steve, a dedicated professional in AI Research, 5G technology, and Materials Sciences. I enjoy street dancing, channeling my creativity into writing blogs, listening to podcasts about international affairs, and exploring new destinations through travel.

  Taipei, Taiwan         

Working Experience


Research Assistant (part-time) – 5G technology 

Institute for Information Industry 

05 2022 - 08 2023
Taipei, Taiwan

  • Analysis specification: 3GPP 5G NR/4G LTE L1/L2/L3, O-RAN 11 WG, ETSI MANO. 
  • Source code mapping: O-RAN open source project (RIC/SMO/O-Cloud/xAPP), ONAP (SDNR/CCSDK), and OAI (L1/L2/L3). 
  • Market research: telecom operators open RAN product & solutions, O-RAN integration & testing, and white paper reading. 

Research Assistant (part-time) – AI in Medicine 

National Taiwan University

08 2021 - 08 2023
Taipei, Taiwan

  • Collaborated with a biotech startup, hospital, and research institutes to develop AI tool and applications on human skin. 
  • Data management, data storage, image processing, DL/CV algorithms design, SOTA model comparison, model fine-tuning, model optimization, model management, quality assessment, IRB report, journal, and patent writing. 
  • Authored 10 publications (1 st author × 8 / 2nd author × 2) with 1 published, 3 under review, 6 manuscripts completed and 1 patent (applied for provision). 

Programming Lecturer 

(part-time)

Coding APE Ltd.

09 2021 - 08 2023
Taipei, Taiwan

  • Teach teenagers about data structures and algorithms, advanced placement, computer science, C++/Python object-oriented programming, web crawler, Line chatbot design, Pygame development.

Research Assistant (full-time) – Physics 

National Taiwan University

09 2020 - 02 2021
Taipei, Taiwan

  • Researched in non-destructive optical inspection for measuring the thermal properties of semiconductor materials. 
  • Designed optical experiments, operated equipment, and system signal processing, and conducted materials analysis. 
  • Published in Taiwan Thermoelectric Conference and honored with the NTU CCMS Innovative Competition Excellent Award. 

Summer Research (intern) - Mathematical Theory 

National Center for Theoretical Sciences

07 2020 - 0 2020
Taipei, Taiwan

  • Researched in time series analysis using integral transform and machine learning. 
  • Studied the mathematical theory on scattering transform and dimensional reduction for signal processing. 

Education


National Taiwan University, 

M.S. in Electrical Engineering and Computer Sciences -  Optoelectronics  •  2021 - 2023

  • [Thesis]: Quantitative and Qualitative Analysis of Human Skin Structures and Lesions in Cellular-Resolution OCT Images by Deep Learning (English version, 408 pages).
  • [CS Courses]: Algorithms Design and Analysis (audit), Operating System, Compiler Design, Applied Deep Learning, Data Structures (audit), Database Management. 
  • [EE Courses]: Medical Photonics, Silicon Photonics, Integrated Optics, IC Engineering, Optoelectronics, Solid State Lighting, Semiconductor and Display, and Optical Techniques in Diagnosis, Optical Simulation, Optical System. 

National Cheng Kung University

Double Degree in B.S. in Optical Science and B.Eng. in Chemical Engineering  •  2021 - 2023

(Studied Civil Engineering during 2015 to 2017, Transferred to Optical Science at 2017)  

  • [Courses]: Take more than 240 credits and more than 100 courses, including Quantum Physics, Molecular Simulation, Process design, Big Data Analysis, Finite Element Analysis, Optical Communication.
  • [Activity]: Participate in 3 student clubs
  • [Research]: Conduct undergraduate research in 3 distinct labs and 3 side projects in senior/graduate level courses. 

Skills


Software Engineering  

Python, PyTorch, Tensorflow, SciKit learn, Hugging Face, OpenCV, C/C++, Java, MySQL, PostgreSQL, Spark, Hadoop, BS4, Selenium, GCP, BigQuery, Flask, HTML, CSS, JS, LabVIEW, Linux, Ubuntu, Kubernetets, Git/Github. 

Computer Sciences

Computer Programming, Operating System, Compiler Design, Applied Deep Learning, Algorithm Design & Analysis (audit), Data Structures (audit), Computer Architecture (audit), Database, Statistics, Big Data Analysis.

Machine Learning 

XGBoost, DL, CV, NLP/NLU, RL, XAI, MLOps, Recommendation Systems, LLM Fine-tuning & Prompting, Self-supervised Learning, Few-Shot Learning, SHAP, Grad-CAM, ETL, EDA, MapReduce, DB Management. 

Mathematical Simulation 

MatLab, ANSYS, COMSOL, R , Numerical Simulation, Numerical Analysis, Finite Element Analysis, Differential Equation (Eng. Mat. I), Linear Algebra (Eng. Mat. II), Fourier Analysis (Eng. Mat. III), Probability 

Communication Specification

3GPP 5G NR/4G LTE spec, L1/L2/L3 architecture, ETSI MANO framework, O-RAN spec, OSC, ONAP.

Soft skills

Problem-Solving, Strong Adaptability, High Flexibility, Patience, Good Verbal Communication, High Learning agility 

Honor and Award


  • Hahow Ltd. Course Recommendation System Design Competition – Mentioned Award / Kaggle Rank 1. (May, 2023). 
  • National Synchrotron Radiation Research Center Winter School – Group Presentation 1st Prize. (Jan, 2022).
  • NTU Center for Condense Matter Sciences Innovation Competition – Excellent Award. (Feb, 2021)
  • NCKU Graduate Representative (Jun, 2020) 

Publication and Patent 


Journal paper

  • [1] Tsai, S. T.,Liu, C. H., Chan, C. C., Li, Y. H., Huang, S. L., & Chen, H. H. (2022). H&E-like staining of OCT images of human skin via generative adversarial network. Applied Physics Letters, 121(13), 134102. 
  • [2] Liu, C. H., Fu, L. W., Chen, H. H., & Huang, S. L. (2023). Toward cell nuclei precision between OCT and H&E images translation using signal-to-noise ratio cycle-consistency. Computer Methods and Programs in Biomedicine, 107824. 
  • [3] Liu, C. H., Fu, L. W., Chang, S. W., Wang, Y. J., Wang, J. Y., Wu, Y. H., Chen, H. H., & Huang, S. L. (2023). Optimization and limitation of U-Net-based segmentation for quantitatively evaluating in-vivo human skin layers and keratinocytes in cellularresolution FF-OCT imaging. Journal of Biomedical Informatics (under review). 
  • [4] Fu, L. W., Liu, C. H., Jain, M., Chen, J. C. S., Wu, Y. H., Huang, S. L., & Chen, H. H. (2023) Training with uncertain annotations for semantic segmentation of basal cell carcinoma from FF-OCT images. IEEE Transactions on Medical Imaging (under review). 
  • [5] Liu, C. H., Chen, Y. S., Chen, Y. C., & Huang, S. L. (2023). Cellular-resolution OCT image denoising with unpaired reference guided deep generative network. Biomedical Signal Processing and Control (submitted). 
  • [6] Liu, C. H., Wang, Y. J., Wang, J. Y., Wu, Y. H., & Huang, S. L. (2023). 3D in-vivo human skin keratinocytes segmentation in FFOCT images from 2D pseudo label using self-training. Computerized Medical Imaging and Graphics (submitted). 
  • [7] Liu, C. H., & Huang, S. L. (2023). Unpaired in-vivo OCT and ex-vivo H&E human skin image translation using auxiliary learning. Medical Image Analysis (submitted) 
  • [8] Liu, C. H., Wang, Y. J., Wang, J. Y., Wu, Y. H., & Huang, S. L. (2023). Self-supervised in-vivo OCT human skin lesions classification with curriculum learning path. (manuscript). 
  • [9] Liu, C. H., Wang, Y. J., Wang, J. Y., Wu, Y. H., & Huang, S. L. (2023). Few-shot in-vivo human skin lesions identification in cellular-resolution FF-OCT image with contrastive pre-training. (manuscript). 
  • [10] Liu, C. H., & Huang, S. L. (2023). Monte Carlo OCT simulation assisting real world segmentation with few data. (manuscript).

Conference paper

  • [1] Liu, C. H., & Chang, C. W. (2021) Infrared frequency domain thermoreflectance measurements of thermal conductivity. Annual Meeting of Taiwan Themoelectric Society. 
  • [2] Liu, C. H., & Tseng, S. Y. (2019) Short and broadband mode-division multiplexers using shortcut to adiabaticity and supersymmetric optical structures. Optic and Photonic Taiwan International Conference.  

Patent

  • [1] Deep Learning-Based Conversion of Optical Coherence Tomography Image to Pathological Slice Image for Biomedical Structure and Composition Mapping. (US Provisional Patent).

Projects Experience 


O-RAN Open Source Project Study 

Conducted a source code mapping analysis for O-RAN 5G specifications, covering components such as Near-RT RIC/Non-RT RIC, SMO, and xAPP/rAPP. Analyzed E2/A1/O1/O2/R1 interface transport APIs and investigated the relationship between the 3GPP framework and O-RAN's 7.2x split architecture. Explored the ETSI MANO framework in the context of SMO/O-Cloud schemes.

2D/3D Human Skin Cell Segmentation Tool Development 

Collaborated with a biotechnology startup to develop 2D/3D segmentation models and enhance image quality. Established and optimized U-Net model training procedures, resulting in a significant accuracy improvement from 41% to 72%. Achieved acceleration in GPU inference speed from 3 minutes to 16 seconds, and reduced memory storage requirements by a factor of 8.

Mackay Memorial Hospital Lesions Identification Model Design 

Partnered with Mackay Memorial Hospital to design AI models for the clinical diagnosis of human skin conditions. Conducted EDA on a dataset comprising data from over 100 patients, achieving a 91% accuracy in identifying 14 different skin lesions. Developed a few-shot model capable of detecting diseases with limited data availability. Conducted research on visual explanation figures to gain insights into the model's decision-making process. 

Pseudo Pathological Slices Application Development 

Collaborated with NTU Hospital, NTU CSIE, and NTU GIEE to develop a generative AI model capable of translating non-invasive microscopic images into conventional H&E slices. Curated a diverse image dataset and designed novel DL algorithms that achieved SOTA performance. Enhanced translation accuracy through auxiliary learning and patent the concept. 

Hahow Ltd. Course Recommendation System Design 

Designed and implemented a ML-based recommendation system to predict courses likely to be purchased by both new and existing customers. Conducted a comprehensive EDA on customer data, leveraging multiple ML algorithms. Explored customer behavior and assessed the impact of advertising efforts. Skillfully managed feature engineering to optimize the performance. 

Personal Achievements 


Linux Programming Study Note Series 

Writing 25+ articles on Medium, providing the holistic introduction of system programming concept. Conduct hand-on developments for Linux system call and instruction using C programming language.

Machine Learning Study Note Series 

Writing 100+ articles on Medium, providing in-depth explanations of ML algorithms' theories. Implemented these algorithms from scratch, without reliance on ML toolkits, to ensure a strong foundational understanding. 

NCKU Freshman Lecture – Speaker 

Lecturing to over 300 incoming freshman students. Shared personal insights and experiences regarding major selection, double majors, minors, and the university's available resources, helping students make informed decisions about their academic paths. 

Optic and Photonic Taiwan International Conference – Student Event Organizer 

Coordinated a chapter event attended by 300+ participants, including international scholars and esteemed guests. 

Extracurricular Activities


President of NCKU Student Chapter / Optical Society of America (Jul, 2019 ~ Jun, 2020) 

Promote optical science and be the bridge between students and corporate. Organize the company visitation, research institute visitation, and professional lectures 

Group Member / Yunnan Overseas Services Learning Program (Sep, 2018 ~ Oct, 2019) 

build 10 eco-friendly toilets in Yunnan China Country Side. 

Choreographer / NCKU Pop Dance Club (Sep, 2017 ~ Jan, 2018) 

Dance Choreographing for the winter session presentation. 

Certification


Spark - Level 2

IBM

7fb1c8be-0569-4f66-871d-552ca9f6afcf

Hadoop Foundations - Level 2

IBM

22dc74ac-8924-4f55-ba3a-afd730a5c403

Perform Foundational Infrastructure Tasks in Google Cloud

Google

1115863

Perform Foundational Data, ML, and AI Tasks in Google Cloud

Google

1113540

Insights from Data with BigQuery

Google

1114498

Explore Machine Learning Models with Explainable AI

Google

1115556

Create ML Models with BigQuery ML

Google

1115438