ByungIn Yoo (유병인)

Employment History 

• Distinguished Engineer, Samsung Electronics, 2024.3 – 

• Research Master, Samsung Advanced Institute of Technology, 2022.3 – 2024.2

• Project Leader, Samsung Advanced Institute of Technology / Samsung Electronics, 2020.5 – 

• Principal Researcher, Samsung Advanced Institute of Technology, 2014.3 – 2022.2

• Senior Researcher, Samsung Advanced Institute of Technology, 2005.12 – 2014.2

• Advisory Researcher, Anti-virus Research Center, AhnLab, 2002.3 – 2005.11

• Research Engineer, Graphic Software Research Center, UNITECH, 1999.2 – 2002 .2

 * Military Service as a Professional Research Staff., 1999 – 2004

Education 

• Ph.D. of Electrical Engineering 

Statistical Inference and Information Theory Lab., KAIST, Daejeon, Korea. 

Dissertation: Exploiting data expansion and generation for visual recognition based on deep models

Advisor: Dr. Junmo Kim (2013 – 2021)

• Visiting Researcher

Montreal Institute for Learning Algorithm, Quebec, Canada.  

Research topic: Joint Learning of Generative Translator and Classifier for Visually Similar Classes 

Advisor: Dr. Yoshua Bengio (2018 – 2019)

• Master of Computer Science and Engineering 

Parallel and Distributed Algorithm Lab., Dongguk Univ., Seoul, Korea. 

Thesis: Improving the performance of TCP over mobile computing environments based on wireless link states and data characteristics

Advisor: Dr. Young-Sik Hong (1997 – 1999)

• Bachelor of Computer Science and Engineering

Dept. of Computer Science and Engineering, Dongguk Univ., Seoul, Korea. (1993 – 1997)

Award & Honors 

First contributor

1. SEC Annual Awards, "Research and Development", Gold Award, Samsung Electronics, 2025.1.8

2. SAIT Vision Award, "Best Collaboration: Semiconductor AI", Samsung Advanced Institute of Technology, 2024. 2

3. DS 최고기술인상 (Best Researcher Award), "Vision AI", Samsung Electronics, 2022.4.

4. SEC Annual Awards, "Research and Development", Gold Award, Samsung Electronics, 2021.1.4.

5. Samsung Best Paper Award, “Live Face or Not? Towards Real Biometrics for Robust Face Unlock on Mobile Devices”, Silver Award, Samsung Electronics, 2017. 10.

6. SAIT Best Practice Award, “Supercomputer Simulation”, Samsung Advanced Institute of Technology, 2012. 2. 2.

7. SAIT Annual Award, “Innovative Invention Award”, Bronze Award, Samsung Advanced Institute of Technology, 2012.1.3.

8. 8th National Software Contest, “A Remote Monitoring System of Multiple PC Clients”, Merit Award,

Hyundai Electronics / Maeil Business News Paper / Hyundai Information Technology, 1997.8.22.

9. 2nd Computer Graphics Contest, “Infinite Road”, Bronze Award, Computer Learning Magazine, MinCom Corp., 1989.11.

Co-contributor

1. SAIT Vision Award, "Best Lesson Learned: AI Society", Samsung Advanced Institute of Technology, 2024. 2

2. DS Vision Award, "Best Challenge: Generative AI", Samsung Electronics, 2024.1.

3. "The KCCV Sang-Uk Lee Prize", For the CVPR 2015 Paper "Rotating Your Face Using Multi-task Deep Neural Network", KCCV 2020.8.

4. "Mu-Han-Tam-Gu" Award,  Samsung Advanced Institute of Technology, 2018.1.

5. SAIT Invention Award, “Robust Face Recognition”, Samsung Advanced Institute of Technology, 2017.9.

6. Future Creator Award, “Deep Learning based Face Recognition for Mobile Devices”, Grand Prize, Samsung Electronics, 2017. 4.

7. Samsung Best Paper Award, “Light-Weight High-Performance Deep Neural Network Architecture for Mobile Devices”, Silver Award, Samsung Electronics, 2016. 11.

8. SEC Annual Awards, "Software Development", Gold Award, Samsung Electronics, 2016.1.4.

9. SAIT Innovation Award, “Spatial Interface”, Samsung Advanced Institute of Technology, 2013. 4. 9.

10. SID Distinguished Paper Award, “Novel LCD with a Sensible Backlight”, the Society for Information Display, 2010.5.27.

Research Interests

Fusion algorithms and architectures that combine machine learning, computer vision, parallel & distributed system,

computer graphics, and software engineering

Technical Skills 

Pytorch; TensorFlow; Caffe; Python;

C; C++; C#; MATLAB; UML; Design Pattern;

OpenCV; OpenGL; Direct X; OpenMP; MPI(Message Passing Interface)

Academic Activity

1. Reviewer - CVPR, ICCV, ECCV, AAAI, IEEE Journals 

2. Institute of Electrical and Electronics Engineers (IEEE)

3. Association for Computing Machinery (ACM)

4. The Korean Institute of Information Scientists and Engineers (KIISE)

5. Samsung Software Membership (SSM 8th,1998) 

Publication 

International Journal      

1. Yi Zhou, Hui Zhang, Seung-In Park, ByungIn Yoo, Xiaojuan Qi,
   "Object-centric Representation Learning for Video Scene Understanding",
   IEEE Transactions on Pattern Analysis and Machine Intelligence, 2024 May 15:PP. doi: 10.1109/TPAMI.2024.3401409

2. ByungIn Yoo, Tristan Sylvain, Yoshua Bengio, Junmo Kim

"Joint Learning of Generative Translator and Classifier for Visually Similar Classes", 

IEEE Access, Volume 8, Dec. 2020. doi: 10.1109/ACCESS.2020.3042302

3. ByungIn Yoo*, Youngjun Kwak*, Youngsung Kim, Changkyu Choi, Junmo Kim, (* equally contributed to this work.)

“Deep Facial Age Estimation using Conditional Multitask Learning with Weak Label Expansion”, 

IEEE Signal Processing Letters, Volume: 25, Issue: 6, June 2018. doi: 10.1109/LSP.2018.2822241

4. Seon-Min Rhee, ByungIn Yoo, Jae-Joon Han, Wonjun Hwang, 

“Deep Neural Network using Color and Synthesized Three-dimensional Shape for Face Recognition”, 

Journal of Electronic Imaging. 26(2), 020502, Mar. 2017. doi: 10.1117/1.JEI.26.2.020502

5. Kwonju Yi, Changkyu Choi, Sungjoo Suh, ByungIn Yoo, Jae-Joon Han, Dusik Park, and Changyeong Kim, 

“Novel LCDs with IR-sensitive Backlights”, 

Journal of Society for Information Display, vol. 19, issue 1 , pp 48-56, Jan. 2011.  doi: /10.1889/JSID19.1.48 

Domestic Journal

1. ByungIn Yoo, Wonjun Hwang, Seungju Han, Seon-Min Rhee, Jung-Bae Kim, Jae-Joon Han,

“Research Trend for Approaching Human-Level Image Recognition based on Deep Learning”,

COMMUNICATIONS OF THE KOREA INFORMATION SCIENCE SOCIETY 33(9), 2015.9, 32-41. (Invited paper)

arXiv

1. Hyeongseok Son, Jia He, Seung-In Park, Ying Min, Yunhao Zhang, ByungIn Yoo,
   "SparseVoxFormer: Sparse Voxel-based Transformer for Multi-modal 3D Object Detection", , arxiv:2503.08092

2. Dongwook Lee, Wonjun Choi, Seohyung Lee, ByungIn Yoo, Eunho Yang, Seongju Hwang,
   "BackTrack: Robust template update via Backward Tracking of candidate template", arxiv:2308.10604

3. Youngsung Kim, ByungIn Yoo, Youngjun Kwak, Changkyu Choi, Junmo Kim, 

"Deep generative-contrastive networks for facial expression recognition", arXiv:1703.07140

International Conference 

1. Xiaoshuai Hao, Ruikai Li, Hui Zhang, Rong Yin, dingzhe li, Sangil Jung, Seung-In Park, ByungIn Yoo, Haimei Zhao, Jing Zhang,
   "MapDistill: Boosting Efficient Camera-based HD Map Construction via Camera-LiDAR Fusion Model Distillation",
   European Conference on Computer Vision (ECCV), 2024.

2. Yiwei Chen, Jiaqian Yu, Siyang Pan, Sangil Jung, Bi Wu, Seung-In Park, Qiang Wang, ByungIn Yoo,
   "GradTrans: Transformer-based Gradient Guidance for Image Generation",
   IEEE International Conference on Image Processing (ICIP), 2024. 

3. Yi ZHOU, Hui Zhang, Jiaqian Yu, yifan yang, Sangil Jung, Seung-In Park, ByungIn Yoo,
   "HIMap: HybrId Representation Learning for End-to-end Vectorized HD Map Construction",
   Computer Vision and Pattern Recognition (CVPR), 2024.

4. Xiaoshuai Hao, Hui Zhang, yifan yang, Yi Zhou, Sangil Jung, Seung-In Park, ByungIn Yoo, 

"MBFusion: A New Multi-modal BEV Feature Fusion Method for HD Map Construction", 

IEEE International Conference on Robotics and Automation (ICRA), 2024.

5. Siyang Pan, Jiaqian Yu, Dongwook Lee, Yiwei Chen, Chao Zhang, Qiang Wang, ByungIn Yoo, 

"Efficient Learning on Successive Test Time Augmentation", 

IEEE Conf. on Accoustics, Speech and Signal Processing (ICASSP), 2024.

6. Hyeongseok Son, Sangil Jung, Solae Lee, Seongeun Kim, Seung-In Park, ByungIn Yoo,
   "Object-Centric Multi-Task Learning for Human Instances", 

British Machine Vision Conference (BMVC), 2023. (Oral,  arXiv:2303.06800)

7. Yi Zhou, Hui Zhang, Hana Lee, Shuyang Sun, Pingjun Li, Yangguang Zhu, ByungIn Yoo, Xiaojuan Qi, Jae-Joon Han,

"Slot-VPS: Object-centric Representation Learning for Video Panoptic Segmentation", 

Computer Vision and Pattern Recognition (CVPR), 2022. (Poster,  arXiv:2112.08949)

8. DongYoung Kim, Jin Woo Kim, Seonghyeon Nam, DongWoo Lee, Yeonkyung Lee, Nahyup Kang, Hyong-Euk Lee, ByungIn Yoo, Jae-Joon Han, Seon Joo Kim, 

"Large Scale Multi-Illuminant (LSMI) Dataset for Developing White Balance Algorithm under Mixed Illumination", 

International Conference on Computer Vision (ICCV), 2021. (Poster) 

9. Jiaqian Yu, Jingtao Xu, Yiwei Chen, Weiming Li, Qiang Wang, ByungIn Yoo, Jae-Joon Han, 

"Learning Generalized Intersection Over Union for Dense Pixelwise Prediction", 

Thirty-eighth International Conference on Machine Learning (ICML), 2021. (Short Talk)  

10. Jaehyoung Yoo, Dongwook Lee, Changyong Son, Sangil Jung, ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Bohyung Han, 

"RaSNet: Learning Tiny Models by Raster-Scanning Images", 

Computer Vision and Pattern Recognition (CVPR), 2021. (Poster) 

11. Kinam Kwon, Eunhee Kang, Sangwon Lee, Su-Jin Lee, Hyong-Euk Lee, ByungIn Yoo, Jae-Joon Han, 

"Controllable Image Restoration for Under-Display Camera in Smartphones", 

Computer Vision and Pattern Recognition (CVPR), 2021. (Poster)

12. Hui Zhang, Tianchu Guo, ByungIn Yoo, Yongchao Liu, Youngjun Kwak, Jae-Joon Han, 

"Order Regularization on Ordinal Loss for Head Pose, Age and Gaze Estimation", 

the Thirty-Fifth AAAI Conference on Artificial Intelligence 2021

13. Yiwei Chen, Jingtao Xu, Jiaqian Yu, Qiang Wang, ByungIn Yoo, Jae-Joon Han, 

"AFOD: Adaptive Focused Discriminative Segmentation Tracker", 

Eight (8th) Visual Object Tracking Challenge Workshop in ECCV 2020

14. Tianchu Guo, Yongchao Liu, Hui Zhang, Xiabing Liu, Youngjun Kwak, ByungIn Yoo, Jae-Joon Han, Changkyu Choi, 

"A Generalized and Robust Method Towards Practical Gaze Estimation on Smart Phone", 

Gaze Estimation and Prediction in the Wild Workshop in ICCV 2019

15. Tianchu Guo, Youngsung Kim, Hui Zhang, Deheng Qian, ByungIn Yoo, Jingtao Xu, Dongqing Zou, Jae-Joon Han, Changkyu Choi,

"Residual Encoder Decoder Network and Adaptive Prior for Face Parsing", 

the Thirty-Second AAAI Conference on Artificial Intelligence 2018. (Oral)

16. Junho Yim, Heechul Jung, ByungIn Yoo, Changkyu Choi, Dusik Park, Junmo Kim, 

"Rotating Your Face Using Multi-task Deep Neural Network", 

IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), 2015. (Poster) 

17. ByungIn Yoo, Wonjun Kim, Jae-Joon Han, Changkyu Choi, Dusik Park, and Junmo Kim, 

"Randomized Decision Bush: Combining Global Shape Parameters and Local Scalable Descriptors for Human Body Parts Recognition", 

IEEE International Conference on Image Processing (ICIP), 2014. (Poster)

18. Wonjun Kim, ByungIn Yoo, Jae-Joon Han, 

"HDO: A novel local image descriptor", 

IEEE International Conference on Image Processing (ICIP), 2014. (Poster)

19. ByungIn Yoo, Changkyu Choi, NamJoon Kim, Jae-Joon Han, Dusik Park, and Junmo Kim, 

“RoVatar: Semi-autonomous Robot Boxing Game by Miniature Avatars”, 

ACM CHI '14 Extended Abstracts on Human Factors in Computing Systems, 2014. (Poster)

20. ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Changkyo Lee, Wonjun Kim, Sungjoo Suh, Dusik Park, and Junmo Kim, 

“Real-time 3D Human Pose Recognition from Reconstructed Volume via a Voxel Classifier”, 

IS&T/SPIE Electronic Imaging 2014. (Oral)

21. Wonjun Kim, ByungIn Yoo, Jae-Joon Han, and Changkyu Choi, 

“Recognition combined human pose tracking using single depth images”, 

IS&T/SPIE Electronic Imaging 2014. (Oral)

22. Jae-Joon Han, Changkyu Choi, ByungIn Yoo, Dusik Park, and Changyeong Kim, 

“Real-Time Hand Shape Recognition by Orientation Invariant Data Learning for Smart TV”, 

International Conference on Consumer Electronics, 2013. (Oral)

23. Kwonju Yi, Sungjoo Suh, ByungIn Yoo, Jae-Joon Han, Changkyu Choi, Dusik Park, and Changyeong Kim, 

“Novel Interactive Display with IR-sensitive backlights for touch and hover sensing”, 

International Display Workshop, Dec. 2011. (Invited talk, Oral)

24. ByungIn Yoo, Jae-Joon Han, Changkyu Choi, Hee-seob Ryu, Dusik Park, and Changyeong Kim, 

“3D Remote Interface for Smart Displays”,  

ACM CHI '11 Extended Abstracts on Human Factors in Computing Systems, 2011. (Oral)

25. Kwonju Yi, Changkyu Choi, Sungjoo Suh, ByungIn Yoo, Jae-Joon Han, Dusik Park, and Changyeong Kim, 

“Novel LCD with a Sensible Backlight”,  

SID 2010 Symposium, 2010. (Distinguished Paper Award, Oral)

26. ByungIn Yoo, Jae-Joon Han, Changkyu Choi, Kwonju Yi, Sungjoo Suh, Du-Sik Park, and Changyeong Kim, 

“3D User Interface Combining Gaze and Hand Gestures for Large-Scale Display”, 

ACM CHI '10 Extended Abstracts on Human Factors in Computing Systems, 2010. (Poster)

27. ByungIn Yoo, JongHo Lea, and YeunBae Kim, 

“The seamless browser: enhancing the speed of web browsing by zooming and preview thumbnails”, 

the 17th ACM International Conference on World Wide Web, 2008. (Poster)

Domestic Conference

1. ByungIn Yoo, Changkyu Choi, Jae-Joon Han, and Dusik Park, 

“Efficient Learning methods for a Randomized Decision Forest using a Supercomputer”, 

the Institute of Electronics Engineers of Korea, Summer Conference 2013. (Invited paper, Oral)

2. ByungIn Yoo and Young-Sik Hong, 

“Improving the performance of TCP over Mobile Computing Environments based on Wireless Link States and Data Characteristics”, 

the Korea Information Science Society, 25th Fall Conference, Korea Institute of Information Scientists and Engineers 1998. (Oral)

3. Tae-Gyu Kim, ByungIn Yoo, In Han, Yong-Kyu Lee, Keum-Suk Lee, and Young-Sik Hong, 

“Design and Implementation of a Syntax Directed SGML Editor Supporting Unicode Chinese Characters”, 

the Korea Information Science Society, 25th Spring Conference, Korea Institute of Information Scientists and Engineers 1998. (Oral)

Samsung Best Paper Award

1. ByungIn Yoo, Jingtao Xu,  Jae-Joon Han, et.al, 

“Live Face or Not? Towards Real Biometric for Robust Face Unlock on Mobile Devices”, 

Samsung Tech. Conference, Oct. 2017. (Silver Award)

2. Seungju Han,  Changyong Sohn, ByungIn Yoo, et.al, 

“Light-Weight High-Performance Deep Neural Network Architecture for Mobile Devices”, 

Samsung Tech. Conference, Nov. 2016. (Silver Award)

3. Wonjun Hwang, Wonjun Kim, Sungjoo Suh, ByungIn Yoo, et.al, 

“A Highly Reliable Authentication using Finger-print and Face Recognition for Mobile Devices”, 

Samsung Tech. Conference, Nov. 2015. (Bronze Award)

4. Xun Sun, Rong Liu, Fan Zhang, Zhilan Hu, Ya Lu, ByungIn Yoo, Changkyu Choi, and Haitao Wang, 

“Real-time User Extraction using a Consumer Depth Camera”, 

Samsung Tech. Conference, Nov. 2013.

5. Seungju Han, Jae-Joon Han, Changkyu Choi, ByungIn Yoo, and Dusik Park, 

“Real-Time Hand Shape Recognition System for Smart TV”,  

Samsung Tech. Conference, Nov. 2013.

6. Wonjun Kim, ByungIn Yoo, and Changkyu Choi, 

“Real-Time Human Pose Estimation from a Single Depth Image Using Ensemble of Recognition and Tracking”, 

Samsung Tech. Conference, Nov. 2013.

7. ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Changkyo Lee, Dusik Park, and Changyeong Kim, 

“3D Human Volume Reconstruction from a Single Depth Image”, 

Samsung Tech. Conference, Nov. 2012.

8. ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Dusik Park, and Changyeong Kim, 

“Smart 3D TV User Interface Combining LoS and Hand Motion”, 

Samsung Tech. Conference, Nov. 2010.

9. Xi-Ying Wang, Hai-Bing Ren, Jing Wan, Byung-In Yoo, Chang-Kyu Choi, and Ji-Yeun Kim, 

“Gesture Recognition for Large Display of Next Generation”, 

Samsung Tech. Conference, Nov. 2009.  

Domestic Magazine Articles

1. ByungIn Yoo, “Pragmatism declaration of software development projects”, Micro Software Magazine, 2005.12.

2. ByungIn Yoo, “Bugs Life”, Micro Software Magazine, 2005.7 – 2005.9.

3. ByungIn Yoo, “64bit window programming”, Micro Software Magazine, 2005.1 – 2005.3.   

Invited Seminar

1. ByungIn Yoo, “Towards Industrial Foundation Models”, 37th Workshop on Image Processing and Image Understanding, The Korean Institute of Broadcast and Media Engineers,  2025.1

2. ByungIn Yoo, “Challenges and Opportunities in Generative AI and Foundation Models For Autonomous Driving”, Joint Workshop on Automotive Semicondudctor and System Software Technology for SDV, The Institute of Semiconductor Engineers, 2023.9

3. ByungIn Yoo, “Introduction of Foundation Model”, MTC / Samsung Electronics, Technical Seminar, 2022.7

4. ByungIn Yoo, “PD Sensor Face Anti-Spoofing”, System LSI Department / Samsung Electronics, Technical Seminar, 2021.6

5. Byung0In Yoo, “Data Expansion Methods for Deep Visual Recognition”, Samsung Advanced Institute of Technology, Visiting Researcher Seminar, 2019.2

6. ByungIn Yoo, “Towards Understanding Deep Emotional Information”, Samsung Advanced Institute of Technology, Research Master Forum, 2017.12.20

7. ByungIn Yoo, “Towards Understanding Deep Facial Information”, 35th iTIP 2017: 2017 information Technology and Industry Prospects, 2017.10.28

8. ByungIn Yoo, “Deep Learning based Face Recognition”, Medical Imaging R&D Group / Samsung Electronics, Technical Seminar, 2015.8.10

9. ByungIn Yoo, “Introduction of Deep Learning”, AP Solution Group / Samsung Electronics, Technical Seminar, 2015.3.28

10. ByungIn Yoo, “Introduction of Deep Learning”, Media Service R&D Group / Samsung Electronics, Technical Seminar, 2015.3.3

11. ByungIn Yoo, “Introduction of Deep Learning”, Mobile Communication Department / Samsung Electronics, Technical Seminar, 2014.9.

12. ByungIn Yoo, “Human Structure Analysis”, System LSI Department / Samsung Electronics, Technical Seminar, 2012.4.

13. ByungIn Yoo, "Overview of Mobile Computing", KT HiTEL Co. Ltd., Computer Science Specialized Groups, Academic Seminar, 1997.8.15.

Patents / International Standards

Google Patents 

      Over 90 patents were granted in US, Europe, China, Japan and Korea.

      Over 130 patent applications have been filed in US, Europe, China, Japan, and Korea.

International Standards

ISO/IEC JTC1/SC29/WG11/M20138 "Hand based interaction for intuitive manipulation", 2011

ISO/IEC   JTC1/SC29/WG11  MPEG-U 23006-2: Advanced User Interface

–   Hand Shape and Hand Gesture Description

Professional Experience – Major Projects

AI Center in Device Solution Division, Samsung Electronics Co. Ltd.  (2025.1.-Present, https://semiconductor.samsung.com/)

Multimodal Intelligence: 2025.1 - 

     - Project Leader

     - Research in SAM (Samsung AI Model for Semiconductor Unleashing the Next-generation Growth) 

Samsung Advanced Institute of Technology, Samsung Electronics Co. Ltd.  (2005.12.-2024.12, http://www.sait.samsung.co.kr/)

Multimodal Foundation Model: 2023.11 - 

     - Project Leader

     - Research in SAM (Samsung AI Model for Semiconductor Unleashing the Next-generation Growth)

Autonomous Machine Perception: 2022.11 - 2023.10

     - Project Leader

     - Research in multi-modal vision foundation model and data intelligence for autonomous driving

Sensor Vision: 2022.1 - 2022.10

     - Project Leader

     - Research in core computer vision algorithms on AI sensors

Deep Image Processing: 2019.5 - 2021.12

     - Project Leader

     - Research in deep image processing and computer vision algorithms for Samsung's inherent image sensors

     - Samsung Tech. Fair 2021, “Scanning Tele Cam. Auto Tracking” exhibition

Unsupervised Generative Model: 2017.12 - 2019.4

     - Research in fusing generative and classification models

Deep Learning based Emotion Recognition: 2015.12 - 2017.11

     - Research in facial expression emotion, and personality recognition

     - Research in facial attributes such as gender, age, and ethnicity

     - Research in body/face segmentation

     - Research in gaze and head orientation estimation

     - Samsung Tech. Fair 2016, “Facial expression based emotion recognition” exhibition

Deep Learning based Face Recognition: 2014.1 - 2017.11

     - Research in liveness detection

     - Research in guide learning for discriminative visual features

     - Research in multi-task learning for facial attributes and identification

     - Samsung Tech. Fair 2015, “Robust face recognition” exhibition

Deep Learning based Object Recognition: 2013.11-2014.2

     - Research in convolutional neural network based objects recognition

Human Recognition: 2013.5 - 2013.11

    - Research in human activity recognition and user identification algorithms without face related information 

        by fusing color-depth images

Spatial Interface: 2009.1-2013.5

    - Research in human structure analysis algorithms which are related to human pose estimation, shape reconstruction, 

        and motion recognition from depth sequences

    - Development of machine learning algorithms which use big data and super-computers

    - Research in user interface methods which are related to human-device interactions and human-robot interactions

    - Research in 3D spatial touch interface methods based on hands gesture recognition and line-of-sight estimation

    - Implementation of immersive wall computing architectures which provide immersive user experiences 

        based on employing a huge screen

    - Development of software prototypes to verify the proposed algorithms and interfaces

    - Samsung Tech. Fair 2012, “Depth camera based human pose estimation and gaming experiences” exhibition

    - Mobile World Congress 2012, “Depth camera based human pose estimation and gaming experiences” exhibition.

Virtual Reality Entertainment System: 2008.6-2010.1

    - Research in virtual reality platforms with motion sensors, sensing algorithms and 3D graphics processing hardware

    - Integration software services which distribute control information from multiple sensors to the proposed virtual world system

    - Development of prototypes to verify the proposed system

    - Samsung Tech. Fair 2009, “Human motion sensing based virtual reality system prototype” exhibition

Interactive Display Computing Architecture: 2008.6-2009.1

    - Research in interactive display architectures with a sensible backlight and hand detection algorithms 

        to control 3D contents far from a display

    - Development of system prototypes to verify the proposed architectures

Semantic Browser Platform for IPTV: 2007.2-2008.5

    - Research in a zoomable semantic browser platform which converts web pages to summarized contents for fitting a TV display

    - Development of semantic web browser prototypes to verify the proposed algorithms and interfaces

    - Samsung Tech. Fair 2008, “Semantic browser prototype” exhibition

Multimodal I/O System: 2005.12-2007.1

    - Research in multi modality based interactions for mobile devices such as mobile phones and cameras

    - Development of camera prototypes to verify the proposed interfaces

    - Samsung Tech. Fair 2007, “Display button prototype” exhibition

AhnLab, Inc. (2002.3.-2005.12, http://www.ahnlab.com/)

V3 Internet Security:  2004.12 - 2005.11

    - Design and development of core software modules as a software architect

ACA (AhnLab Common Architecture) 1.0 for Windows: 2004.4 – 2004.12

    - Design and development of core software modules as a software architect

    - Proposal of a unified platform which enables integrating antivirus modules, firewall modules, and anti-spyware modules

    - Proposal of a reusable framework which supports core functions for developing security software

    - Migration of 32bit software modules to a 64bit platform

    - Guidance of writing secure codes

V3Pro 2004: 2003.3 – 2004.3

V3Pro 2002: 2002.3 – 2003.2

    - Design and development of core software modules as a technical leader

    - Proposal of novel functions such as start-up monitoring and system optimizations

    - Localization of software modules for Japan and China products

UNITECH Co. Ltd. (1999.2.-2002.3, http://www.unitech.co.kr/)

SimFL (Simulator Framework Library) 1.0: 2001.6-2002.2

    - Design and development of core software modules as a team leader

    - Proposal of a novel simulator framework which consists of reusable software modules based on the development experiences

    - The framework has been used frequently in library form

KAAV (Korean Amphibious Assault Vehicle) Simulator System: 2001.7-2002.2

ASU1.5-6000-540RPSA Simulator System: 2000.6-2001.2

HAWK Anti Air Guided Missile Combat Simulator System: 1999.2-2001.6

    - Design of core software architectures of simulator systems as a team leader

    - Development of simulations server systems which control overall simulator systems

Etc.

Management Information System for Young-San Chem., Ltd.: 1998.10-1999.2

    - Development of a management information system for a small chemistry company as a freelance

Construction of Wireless Fax Network, KT(Korea Telecom): 1996.8-1997.2

    - Development of an automatic system which measures availability of constructing network as a freelance