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— Welcome —

Joshu Leonardy

Joshu Leonardy Lee (李添炜) — PhD Student, Faculty of Electrical Engineering,
Universiti Teknologi Malaysia

Computer Vision  |  Artificial Intelligence  |  Photonics

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自 · 己 · 紹 · 介

Profile

Hello — 初めまして

I am currently a PhD student in Electrical Engineering at Universiti Teknologi Malaysia, majoring in Computer Vision and Image Processing, as an awardee of the UTM ASCEND Bright Talent International Scholarship. Before that, I completed my MPhil at UTM (Mechatronics Engineering, majoring in Control Systems and Optoelectronics), where I was a Graduate Lecture Assistant at the Photonics Research Center. I received my B.Sc in Physics (Instrumentation Electronics) from Universitas Negeri Semarang, Indonesia.

From 2024 to 2026 I was a Research Assistant at BRIN (National Research and Innovation Agency, Indonesia), Research Center for Photonics — Micro-Opto-Electronics and Microsystems group — where I developed a GUI for object segmentation using YOLOv11 and SAM-2, and worked on smart weapon development.

My research focuses on Image Processing, Python-based Software Development, ML and DL applications for instrumentation systems, and Optical Fiber Sensor simulation and fabrication.

Outside the lab, I enjoy working in large, interdisciplinary teams — from rocket avionics to physics STEM modules — and I am always curious to learn things outside my own field.

Affiliation
Universiti Teknologi Malaysia — Faculty of Electrical Engineering
Formerly BRIN — Research Center for Photonics (MOEMS), 2024 — 2026
Education
PhD, Electrical Engineering (Computer Vision & Image Processing) — UTM, Malaysia (September 2026 — Present)
MPhil, Mechatronics Engineering (Control Systems & Optoelectronics) — UTM, Malaysia (October 2024 — June 2026)
B.Sc., Physics (Instrumentation Electronics) — UNNES, Indonesia (August 2020 — December 2024) · CGPA 3.55
PhD Supervisor
Assoc. Prof. Dr. Usman Ullah Sheikh — Faculty of Electrical Engineering, UTM
MPhil Supervisors
Dr. Mohd Rashidi Salim — Faculty of Electrical Engineering, UTM
Ir. Dr. Muhammad Yusof Mohd Noor — Faculty of Electrical Engineering, UTM
Dr. Azizul Azizan — Faculty of Artificial Intelligence, UTM
Dr. Eng. Wildan Panji Tresna — Micro Opto-Electrical-Mechanical System (MOEMS) Research Group, BRIN
Research
Image Processing Computer Vision Deep Learning Optical Fiber Sensors Photonics Sensor Fabrication Python Software Development
Tools
Python C++ MATLAB KiCad ZW3D CAD Autodesk Inventor Ansys Lumerical FDTD COMSOL Multiphysics BeamPROP
Honours
UTM ASCEND Bright Talent International Scholarship — PhD (2026)
Silver Medal, New Academia Learning Innovation (NALI) — UTM (2025)
Best Paper Award — IEEE conference (2024)
1st Place, Outstanding Student — Dept. of Physics, UNNES (2022) · 2nd Place (2021)
1st Place, National Scientific Writing Competition — Bangka Belitung University (2023)
1st Place, National Essay Writing Competition — UNNES (2023) · 3rd Place (2022)
Grand Finalist, National Scientific Writing Competition — Lampung State University (2022)
Team Member, Indonesian Flying Robot Contest (KRTI) — Electronics & Design (2021, 2023)
Training
AI in Medicine Summer School & Bootcamp — Universiti Malaya (2026)
Deep Learning Primer: A Hands-on Approach — Faculty of AI, UTM
Robotics & Applied Machine Learning; EV Design & Simulation — Faculty of Electrical Engineering, UTM
Wave Optics Simulation for Integrated Photonics using COMSOL — Universiti Sains Malaysia
Data Science Summer School — Hertie School, online (2023)
Drone Mapping — Indonesia Mapping Community, Cendrawasih University (2022)
Location
Skudai, Johor Bahru, Malaysia
Languages
Bahasa Indonesia (Native) · Hakka (Native) · English (Professional) · Mandarin (Beginner)
Contact
joshu@graduate.utm.my
Links
LinkedIn · GitHub · Google Scholar · CV (PDF)
経 · 歴

Experience

2026 27 Jul – 5 Aug 2026
Universiti Malaya

Participant · AI in Medicine Summer School & Bootcamp

Kuala Lumpur, Malaysia

Intensive summer school and bootcamp on applying artificial intelligence to medicine.

2025 — Present Aug 2025 – Now
UTM Rocketry Team

PCB Designer & CAD Engineer · Avionics

Universiti Teknologi Malaysia · Johor Bahru, Malaysia

Designing avionics PCB systems and CAD components for a rocket flight subsystems including telemetry, control, and sensor integration.

2025 — Present Mar 2025 – Now
KDSE · Universiti Teknologi Malaysia

Physics STEM Module Researcher

Johor Bahru, Malaysia

Researching and developing physics STEM learning modules with the KDSE UTM team.

2024 — 2026 Sept 2024 – Aug 2026
BRIN · Research Center for Photonics

Research Assistant

National Research and Innovation Agency · Serpong, Indonesia

Led the development of a smart weapon scope system based on IR optics and a YOLOv11 object detection algorithm. Bridges photonic hardware with deep learning for real-time recognition.

2025 Feb & Nov 2025
University of Bangka Belitung

Guest Lecturer

Bangka Belitung, Indonesia
Delivered two invited lectures:
  • Department of Physics — "Deep Learning Applications for MMI-Based Optical Sensors"
  • Faculty of Engineering & Science — "Machine Learning for Heavy Metal Detection in Former Tin Mining Waters Using Smart Electronic Sensors"
2024 Apr – Aug 2024
PT. Borine Technology Indonesia

R&D Engineer · PCB Department

Semarang, Indonesia

Research and development engineer in the PCB department, contributing to hardware design and prototyping.

2023 Sept 2023
UTM · Faculty of Electrical Engineering

Intern

Universiti Teknologi Malaysia · Johor Bahru, Malaysia

Simulated a waveguide-based glucose biosensor using the surface plasmon resonance (SPR) method in BeamProp.

2023 Jun – Sept 2023
BRIN · National Research & Innovation Agency

Student Intern · Research Center for Photonics

Serpong, Banten, Indonesia

Developed an Arduino Nano microcontroller-based optical power meter — work that later resulted in two registered patents.

2022 — 2024 Aug 2022 – 2024
EduPrivate

Tutor

Semarang, Indonesia

Private tutor in mathematics, physics, and chemistry.

2022 — 2024 Jan 2022 – Apr 2024
Universitas Negeri Semarang · Dept. of Physics

Research & Teaching Assistant

Semarang, Indonesia
Held multiple academic roles in parallel with my undergraduate studies:
  • Research Assistant — Photonic Research Group (2022 – 2024)
  • Teaching Assistant — Microcontroller (2022 – 2023)
  • Teaching Assistant — Instrumentation System Programming (2022 – 2023)
  • Teaching Assistant — Computer Programming (Jan – Apr 2024)
2021 Aug – Dec 2021
PT. Alita & Institut Teknologi Sepuluh Nopember (ITS)

Student Intern

West Jakarta, DKI Jakarta, Indonesia

Built a GPS module-based delivery drone using the ESP8266 microcontroller for waypoint-based autonomous navigation.

作 · 品 · 集

Selected Projects

Optical Spectrum Analyzer Software
2026 — MPhil Thesis · Copyright
MPhil Research · UTM

Optical Spectrum Analyzer (OSA) Software

Software for optical spectrum analysis featuring fitting plotter, peak/dip detection, and integrated machine learning & deep learning training and analysis tools. Built in Python.

Python Machine Learning Signal Processing GUI
Augmented Segmentation Utility
2026 — Ongoing
BRIN · Telkom University · Kanazawa University

Augmented Segmentation Utility (ASU)

Object segmentation software combining YOLOv11 and SAM-2 for augmented annotation and segmentation workflows. International collaboration between BRIN, Telkom University, and Kanazawa University.

YOLOv11 SAM-2 Image Segmentation Python
View Details →
Heavy Metals Detection in Tin Mining Wastewater
2024 — 2025
BRIN & Bangka Belitung University · MoHE Grant

Heavy Metals Detection in Tin Mining Wastewater

Environmentally friendly detection and treatment system for heavy metals in tin mining wastewater, based on machine learning and smart sensors. Funded by the Ministry of Higher Education, Science, and Technology.

Smart Sensors Machine Learning Environmental Grant Research
SPR Sensor for Halal Gelatin Detection
2023 — 2024
BRIN & UNNES · MoHE Grant

AI-Integrated SPR Sensors for Halal Gelatin

Integration of artificial intelligence systems with surface plasmon resonance (SPR) sensors for accurate gelatin identification and halal licensing applications.

SPR Sensor AI Photonics Halal Tech
Low-Cost Visible Light Optical Power Meter
2023
BRIN & UNNES

Low-Cost Visible Light Optical Power Meter (LC-VLOPM)

Design and characterization of a low-cost visible-light optical power meter using an Arduino Nano microcontroller. Both the hardware design and source code were filed as registered patents.

Arduino Optical Instrumentation Embedded Systems Patent
著 · 作 · 目 · 録

Publications & Patents

2026

PySpecTrace: A Python-Based Graphical User Interface for Real-Time Spectroscopy Analysis and Data Analysis WoS Q1

Journal Publication, 2026

2026

Machine Learning-Based Wide-Range Refractive Index Sensing with Synthesis-Tuned Nanoparticles Coating Layer on MMI Fiber Sensors WoS Q2

Journal Publication, 2026

2026

Comparative Analysis of Machine Learning Algorithms for Wide-Range Refractive Index Classification in Multimode Interference No-Core Fiber Sensors Conference

Conference Paper, 2026

2026

Quantized LSTM for Predictive Thermal Monitoring of Temperature of Lithium-Ion Battery WoS Q3

Journal Publication, 2026

ResearchGate
2026

Augmented Segmentation Utility (ASU) for Object Segmentation Software Copyright

Registered Copyright, 2026

2026

SegLab v1.0 (Segmentation Lab for Medical Image) Software Copyright

Registered Copyright, 2026

2026

Optical Spectrum Analyzer Utility Software Copyright

Registered Copyright, 2026

2025

Optimized Selectivity in No-Core Fiber Sensors for High Refractive Index Detection Physica Scripta · Q2

Physica Scripta, 2025

Paper
2025

Optimizing Convolutional Layer in YOLOv8: Enhancing Accuracy and Efficiency for Camouflaged Object Detection in Complex Environments IEEE

IEEE Conference Proceedings, 2025

Paper
2025

Effect of Surrounding Refractive Index Changes on Amplitude Response in MMI-Based Fiber Optic Sensors IEEE

IEEE Conference Proceedings, 2025

Paper
2025

Design and Characterization of a Simple Temperature Sensor Based on a Polymer Sine S-Bend Optical Waveguide Structure WoS Q2

Journal Publication, 2025

2025

Fabrication and Characterization of Low-Cost Optical Waveguides Using Recycled Expanded Polystyrene (EPS) as Core Material Results in Optics · Q2

Results in Optics, 2025

Paper
2024

Development of Color Detection Based on Camera Infrared Filter with Python Image Processing IEEE Best Paper

IEEE Conference Proceedings, 2024 — Best Paper Award

Paper
2023

Design and Characterization of Low-Cost Visible Light Optical Power Meter (LC-VLOPM) Patent

Registered Patent, 2023

2023

Code for Optical Power Meter Measurement Patent

Registered Patent, 2023

2023

Peran Fisikawan Indonesia dalam Pengembangan Ilmu Pendidikan, Sains, dan Teknologi Sebagai Upaya Membangun Sumber Daya Manusia Yang Berkualitas di Era Society 5.0 ISBN

Book Chapter, 2023

教 · 材

Teaching & Learning

Tools I build for the people I teach. Each one is meant to be opened in a lecture, played with, and argued about — not read.

実 験 室 Interactive series

The Lab Series

Two series of interactive labs, each one a single page you open and play with, with your own images. No install, no notebook, no account.

  • Image Processing — seven labs following Gonzalez & Woods: pixels & colour, histograms, spatial and frequency-domain filtering, restoration, morphology, and edges & segmentation
  • Computer Vision — convolution, segmentation and encoder–decoders, from the sliding window up to camouflaged object detection
Open the series→
語 彙 Study tool

IELTS Vocabulary

Flashcards, a quiz mode, and live dictionary lookup — built while preparing for the exam myself.

Study now↗