Hyeongrok Ryu Engineering Portfolio

Projects, papers, and files

Open to Entry-Level R&D Opportunities for 2027

Electrical & Electronic Engineering

Hyeongrok Ryu

Radar · Vision AI · Sensor Fusion · Embedded Signal Processing FPGA RTL · Digital Verification

Electrical engineering undergraduate researcher. Radar, vision AI, sensor fusion, embedded signal processing, and FPGA RTL design.

  • B.S. Candidate in Electrical and Electronic Engineering, Dankook University
  • Human & Systems Laboratory, Undergraduate Research Intern
  • Expected graduation: February 25, 2027
  • Available from: January 2027
  • CES 2027: Planned ViScan booth operation and live product demonstration
  • CES Innovation Awards: ViScan CES 2027 Innovation Awards application submitted
  • Patent application: 10-2026-0154726 · Ultrasound-Based Smart Mirror Body Composition Analysis System · Co-inventor
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Formal portrait of Hyeongrok Ryu in a navy suit and tie
Hyeongrok Ryu · Seoul, Republic of Korea

Patent · CES 2027

ViScan patent filing and CES submission

The public portfolio now reflects the completed Korean patent filing and the submitted CES 2027 Innovation Awards application.

Open ViScan case study →

KOREAN PATENT APPLICATION

Ultrasound-Based Smart Mirror Body Composition Analysis System

Application No. 10-2026-0154726 · Filed August 18, 2026

Co-inventor · Jointly filed by the Dankook University Cheonan Campus Industry-Academic Cooperation Foundation and Hansono Co., Ltd.

CES 2027

Innovation Awards application submitted

ViScan CES 2027 Innovation Awards application submitted

Planned ViScan booth operation and live product demonstration

Career Focus

Focused engineering roles

PRIMARY

Radar · Vision AI · Sensor Fusion · Embedded Signal Processing

FMCW Radar · BGT60TR13C · YuNet/SFace · MediaPipe Pose · Vision AI · Camera–Radar Sensor Fusion · STM32F411 · ESP-32S/MPU6050 · Embedded acquisition

SECONDARY

FPGA RTL · Digital Verification

SystemVerilog · VHDL · Parameterized RTL · Driver/Checker · Reference Model · File-Driven Verification · Icarus · GHDL · Quartus · ModelSim/Questa

Research participation

Integrated digital therapy for mental rehabilitation using staged VRET and quantitative physiological and behavioral data analysis

Organization
중소기업기술정보진흥원
Period
–
Role
Assistant researcher (firmware development)

Cognitive impairment assessment and rehabilitation outcome system using hand-tremor detection and writing and exercise tasks

Organization
중소기업기술정보진흥원
Period
–
Role
Assistant researcher (firmware development)

Selected Projects

Key results at a glance

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PCB Inspection · Vision AI · Publication System

PCB Visual Inspection Studio

Figures
10
Gallery
Zoom

PatchCore · FR-PatchCore · DINOv3 · Paper-style figure atlas

Radar · Biomedical Signal Processing

FMCW Radar Cardiac Timing

Acquisition
600 s
Aligned beats
848

ECG · SCG · BGT60TR13C Radar

FPGA · RTL · Digital Verification

FPGA Programmable Delay Logic

Project 1
31 cycles
Project 2
32 cycles
Project 3
3 scenarios

PASS · Icarus Verilog · GTKWave · 2026-09-16

Publications

Conference proceedings papers

Publications
First page of the CICS’25 conference proceedings paper showing the title and Hyeong-Rok Ryu as first author
First author · 1/3 Conference proceedings Poster Presentation

Conference on Information and Control Systems 2025 · 2025

Published 2025.10.22 · pp. 291–292 · Presented 2025.10.23

Classification of Cognitive Task Performance using HRV Features: A Convolutional Neural Network Approach

Hyeong-Rok Ryu, Woo-seok Kang, Kyung-Ho Kim

This study classifies cognitive task performance from PPG-derived HRV features and evaluates a convolutional neural network approach.

Paper AUC
0.99
Paper F1-Score
0.992

First author · Poster preparation · Presentation participation

Publication details Official Conference DBpia Paper Code

The DBpia paper page shows the matching title, authors, and pp. 291–292.

First page of the KIEE 2026 Summer Conference FMCW paper showing the title and Hyeong-Rok Ryu as first author
First author · 1/3 Conference proceedings Poster Presentation

The 57th KIEE Summer Conference 2026 · 2026

Published 2026.07.08 · pp. 2413–2414 · Presented 2026.07.10

Analysis of Aortic Valve Opening and Closure Using Cardiac Signals Acquired by Non-Contact FMCW Radar

Hyeong-Rok Ryu, Woo-Seok Kang, Kyung-Ho Kim

This study aligns ECG, SCG, and FMCW radar signals to ECG R-peaks and analyzes morphology-based AO/AC candidate timing across 848 corresponding beats.

Concurrent acquisition
600 s
Corresponding beats
848

First author · Poster preparation · Presentation participation

Publication details Official Conference Paper Code

Bibliographic sources: original proceedings and conference page. Individual DBpia record: unconfirmed in the 2026-08-01 title search.

First page of the ultrasound–smart-mirror paper, with four authors and proceedings page 33
Co-author · 3/4 Conference proceedings

The 57th KIEE Summer Conference 2026 · 2026

Published 2026.07.08 · pp. 33–34

A study on ultrasound-smart mirror fusion technology for personalized body fat management

Dongmin Son, Jeonghyun Lee, Hyeongrok Ryu, Heechul Yoon

A system that derives subcutaneous-fat and muscle thickness from abdominal B-mode ultrasound boundaries and displays measurement guidance and results on a smart mirror.

Co-author · third of four authors

Publication details Official Conference Paper

Bibliographic source: supplied proceedings PDF, pp. 33–34.

Research Timeline

Conference presentations

  1. Conference on Information and Control Systems 2025

    Classification of Cognitive Task Performance using HRV Features: A Convolutional Neural Network Approach

  2. The 57th KIEE Summer Conference 2026

    Analysis of Aortic Valve Opening and Closure Using Cardiac Signals Acquired by Non-Contact FMCW Radar

External Learning

Courses and practice notes

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Generative Models A to Z — From VAE to Stable Diffusion

KAIST SW교육센터 IT Academy · 20 hours

Concept notes · Notebooks · Practice code

2024 OUTTA AI Bootcamp — Deep Learning Basic

OUTTA

Concept notes · Notebooks · Practice code

Engineering Notes

Latest technical notes

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Publication first-page preview