• 670 Citations
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1987 …2019
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Research Output 1987 2019

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2019

AR pointer: Advanced ray-casting interface using laser pointer metaphor for object manipulation in 3D augmented reality environment

Ro, H., Byun, J. H., Park, Y. J., Lee, N. K. & Han, T. D., 2019 Aug 1, In : Applied Sciences (Switzerland). 9, 15, 3078.

Research output: Contribution to journalArticle

Open Access
dials
Augmented reality
ray tracing
manipulators
Casting

Deep-cARe: Projection-based home care augmented reality system with deep learning for elderly

Park, Y. J., Ro, H., Lee, N. K. & Han, T. D., 2019 Sep 1, In : Applied Sciences (Switzerland). 9, 18, 3897.

Research output: Contribution to journalArticle

Open Access
Augmented reality
learning
projection
Face recognition
occlusion

PPAP: Perspective projection augment platform with pan–tilt actuation for improved spatial perception

Byun, J. H. & Han, T. D., 2019 Jun 2, In : Sensors (Switzerland). 19, 12, 2652.

Research output: Contribution to journalArticle

Open Access
actuation
projectors
platforms
projection
Cameras
2016
20 Citations (Scopus)

Fast contour-tracing algorithm based on a pixel-following method for image sensors

Seo, J., Chae, S., Shim, J., Kim, D., Cheong, C. & Han, T. D., 2016 Mar 9, In : Sensors (Switzerland). 16, 3, 353.

Research output: Contribution to journalArticle

tracing
Image sensors
Pixels
pixels
sensors
8 Citations (Scopus)

Gesture-based interactive augmented reality content authoring system using HMD

Shim, J., Yang, Y., Kang, N., Seo, J. & Han, T-D., 2016 Mar 1, In : Virtual Reality. 20, 1, p. 57-69 13 p.

Research output: Contribution to journalArticle

Helmet mounted displays
Augmented reality
Cameras
Display devices
2015
7 Citations (Scopus)

HART: A hybrid architecture for ray tracing animated scenes

Nah, J. H., Kim, J. W., Park, J., Lee, W. J., Park, J. S., Jung, S. Y., Park, W. C., Manocha, D. & Han, T. D., 2015 Mar 1, In : IEEE Transactions on Visualization and Computer Graphics. 21, 3, p. 389-401 13 p., 6960897.

Research output: Contribution to journalArticle

Ray tracing
Hardware
Program processors
Bandwidth
Data storage equipment
2014

Luma-chroma separated processing for fast flow-based image abstraction on mobile devices

Kim, J. W., Jeon, S. W. & Han, T. D., 2014 Nov 1, In : Electronics Letters. 50, 24, p. 1838-1839 2 p.

Research output: Contribution to journalArticle

Mobile devices
Color
Processing
Luminance
Cameras
27 Citations (Scopus)

RayCore: A ray-tracing hardware architecture for mobile devices

Nah, J. H., Kwon, H. J., Kim, D. S., Jeong, C. H., Park, J., Han, T. D., Manocha, D. & Park, W. C., 2014 Aug 1, In : ACM Transactions on Graphics. 33, 5, 162.

Research output: Contribution to journalArticle

Ray tracing
Mobile devices
Hardware
Application specific integrated circuits
Refraction
2013
2 Citations (Scopus)

A pixel pipeline architecture with selective z-test scheme for 3D graphics processors

Park, J., Kim, I. S., Park, W. C., Park, Y. J. & Han, T-D., 2013 Jan 1, In : Microprocessors and Microsystems. 37, 3, p. 373-380 8 p.

Research output: Contribution to journalArticle

Pipelines
Pixels
Texturing
Data storage equipment
Data communication systems
9 Citations (Scopus)

A scalable work-efficient and depth-optimal parallel scan for the GPGPU environment

Ha, S. W. & Han, T. D., 2013 Nov 25, In : IEEE Transactions on Parallel and Distributed Systems. 24, 12, p. 2324-2333 10 p., 6392164.

Research output: Contribution to journalArticle

Data storage equipment
Computer hardware
Scalability
Synchronization

Effective fixed-point pipelined divider for mobile rendering processors

Park, W. C., Bae, J. H., Park, J., Han, T. D. & Park, Y. J., 2013 Jul, In : IEICE Transactions on Information and Systems. E96-D, 7, p. 1443-1448 6 p.

Research output: Contribution to journalArticle

Error analysis
1 Citation (Scopus)

Ray-box culling for tree structures

Nah, J. H., Park, W. C., Kang, Y. S. & Han, T. D., 2013 Nov 1, In : Journal of Information Science and Engineering. 29, 6, p. 1211-1225 15 p.

Research output: Contribution to journalArticle

Ray tracing
performance
efficiency
2012
2 Citations (Scopus)

Efficient ray sorting for the tracing of incoherent rays

Nah, J. H., Jung, Y. H., Park, W. C. & Han, T. D., 2012 Aug 1, In : ieice electronics express. 9, 9, p. 849-854 6 p.

Research output: Contribution to journalArticle

Ray tracing
tracing
classifying
Sorting
rays
3 Citations (Scopus)

Mobile digital image stabilisation using SIMD data path

Ha, S. W., Park, H. C. & Han, T. D., 2012 Jul 17, In : Electronics Letters. 48, 15, p. 922-924 3 p.

Research output: Contribution to journalArticle

Stabilization
Neon
Galaxies
Smartphones
Mobile devices
2011

An effective depth data memory system using an escape count buffer for 3D rendering processors

Park, W. C., Park, J. H., Chung, W. N., Park, J. S., Kim, S. D., Kim, H. S., Kim, Y. S. & Han, T. D., 2011 Mar 10, In : ieice electronics express. 8, 4, p. 209-214 6 p.

Research output: Contribution to journalArticle

escape
central processing units
Buffers
buffers
Data storage equipment

An effective rasterization architecture for mobile vector graphics processors

Park, J., Kim, J., Park, W. C., Kim, Y., Jeong, C. & Han, T. D., 2011 Jun 20, In : ieice electronics express. 8, 11, p. 835-841 7 p.

Research output: Contribution to journalArticle

central processing units
Data storage equipment
Static random access storage
traffic
Computational complexity
28 Citations (Scopus)

T&I engine: Traversal and intersection engine for hardware accelerated ray tracing

Nah, J. H., Park, J. S., Park, C., Kim, J. W., Jung, Y. H., Park, W. C. & Han, T. D., 2011 Dec 1, In : ACM Transactions on Graphics. 30, 6, 160.

Research output: Contribution to journalArticle

Ray tracing
Engines
Hardware
Lighting
Bandwidth

T&I Engine: Traversal and Intersection Engine for Hardware Accelerated Ray Tracing

Nah, J. H., Park, J. S., Kim, J. W., Jung, Y. H., Han, T-D., Park, C. & Park, W. C., 2011 Dec 1, In : ACM Transactions on Graphics. 30, 6, p. 1-10 10 p.

Research output: Contribution to journalArticle

Ray tracing
Engines
Hardware
Lighting
Bandwidth
2 Citations (Scopus)

The design of a texture mapping unit with effective MIP-map level selection for real-time ray tracing

Park, W. C., Kim, D. S., Park, J. S., Kim, S. D., Kim, H. S. & Han, T. D., 2011 Aug 1, In : ieice electronics express. 8, 13, p. 1064-1070 7 p.

Research output: Contribution to journalArticle

Ray tracing
ray tracing
hardware
textures
Textures
2010

The design of compressed memory system for depth data in 3D rendering processors

Park, W. C., Yoon, D. K., Kim, D. S., Kim, H. S., Park, J. H., Jeong, W. N. & Han, T. D., 2010 Nov 1, In : ieice electronics express. 7, 21, p. 1622-1628 7 p.

Research output: Contribution to journalArticle

central processing units
Data storage equipment
Dynamic random access storage
Static random access storage
bandwidth
2008
3 Citations (Scopus)

An effective load balancing scheme for 3D texture-based sort-last parallel volume rendering on GPU clusters

Lee, W. J., Srini, V. P., Park, W. C., Muraki, S. & Han, T. D., 2008 Mar, In : IEICE Transactions on Information and Systems. E91-D, 3, p. 846-856 11 p.

Research output: Contribution to journalArticle

Volume rendering
Dynamic loads
Clustering algorithms
Visibility
Resource allocation
3 Citations (Scopus)

Unsupervised clustering approaches to color classification for color-based image code recognition

Cheong, C., Bowman, G. & Han, T. D., 2008 May 1, In : Applied Optics. 47, 13, p. 2326-2345 20 p.

Research output: Contribution to journalArticle

Color
color
linkages
Cameras
cameras
2007

A consistency-free memory architecture for sort-last parallel rendering processors

Park, W. C., Kim, C. G., Yoon, D. K., Lee, K. W., Kim, I. S. & Han, T. D., 2007 May 1, In : Journal of Systems Architecture. 53, 5-6, p. 272-284 13 p.

Research output: Contribution to journalArticle

Memory architecture
Pixels
Data storage equipment
Parallel architectures
Interfaces (computer)
2 Citations (Scopus)

An effective bump mapping hardware architecture using polar coordinate system

Lee, S. G., Park, W. C., Lee, W. J., Yang, S. B. & Han, T. D., 2007 Mar 1, In : Journal of Information Science and Engineering. 23, 2, p. 569-588 20 p.

Research output: Contribution to journalArticle

hardware
Hardware
mathematics
Law
Skin
2 Citations (Scopus)

Cooperative cache system: A low power cache system for embedded processors

Park, G. H., Lee, K. W., Han, T-D. & Kim, S-D., 2007 Jan 1, In : IEICE Transactions on Electronics. E90-C, 4, p. 708-717 10 p.

Research output: Contribution to journalArticle

Electric power utilization
Electronic equipment
Metals
4 Citations (Scopus)

Simulation and development environment for mobile 3D graphics architectures

Lee, W. J., Park, W. C., Srini, V. P. & Han, T. D., 2007 Sep 25, In : IET Computers and Digital Techniques. 1, 5, p. 501-507 7 p.

Research output: Contribution to journalArticle

Hardware
Computer hardware description languages
Application programming interfaces (API)
Interfaces (computer)
Field programmable gate arrays (FPGA)
2006
4 Citations (Scopus)

An effective visibility culling method based on cache block

Choi, M. H., Park, W. C., Neelamkavil, F., Han, T. D. & Kim, S. D., 2006 Aug 1, In : IEEE Transactions on Computers. 55, 8, p. 1024-1032 9 p.

Research output: Contribution to journalArticle

Visibility
Cache
Pixels
Pipelines
Pixel
3 Citations (Scopus)

Design of a mobile application framework with context sensitivities

Yoon, H. M., Kang, W. S., Kwon, O. Y., Jeong, S. H., Kang, B. S. & Han, T. D., 2006 Jan 1, In : IEICE Transactions on Information and Systems. E89-D, 2, p. 508-514 7 p.

Research output: Contribution to journalArticle

Mobile devices
Wireless networks
Communication
Sensors
2005
1 Citation (Scopus)

A pixel cache architecture with selective placement scheme based on z-test result

Lee, K. W., Park, W. C., Kim, I. S. & Han, T. D., 2005 Feb 1, In : Microprocessors and Microsystems. 29, 1, p. 41-46 6 p.

Research output: Contribution to journalArticle

Pixels
Color
Bandwidth
Data storage equipment

A simple and efficient triangle strip filtering algorithm

Kim, B. U., Kim, K. W., Park, W. C., Yang, S. B. & Han, T. D., 2005 Nov 1, In : Journal of Information Science and Engineering. 21, 6, p. 1277-1288 12 p.

Research output: Contribution to journalArticle

Pipelines
triangulation
Triangulation
Display devices
time
2004
Volume Rendering
Volume rendering
Graphics Hardware
Texture
Textures
14 Citations (Scopus)

A cost-effective pipelined divider with a small lookup table

Jeong, J. C., Park, W. C., Jeong, W., Han, T. D. & Lee, M. K., 2004 Apr 1, In : IEEE Transactions on Computers. 53, 4, p. 489-495 7 p.

Research output: Contribution to journalArticle

Table lookup
Taylor Series Expansion
Taylor series
Look-up Table
Costs
Buffers
Color
Data storage equipment
Costs and Cost Analysis
Fragment
1 Citation (Scopus)
Rounding
Adders
Floating point
Quotient
Hardware
Parallel Composition
Transparency
Rendering
Engines
Chemical analysis
2003
1 Citation (Scopus)

An effective out-of-order execution control scheme for an embedded floating point coprocessor

Jeong, C. H., Park, W. C., Han, T. D., Yang, S. B. & Lee, M. K., 2003 May 20, In : Microprocessors and Microsystems. 27, 4, p. 171-180 10 p.

Research output: Contribution to journalArticle

Pipelines
Adders
Embedded systems
Coprocessor
Hardware
19 Citations (Scopus)

An Effective Pixel Rasterization Pipeline Architecture for 3D Rendering Processors

Park, W. C., Lee, K. W., Kim, I. S., Han, T. D. & Yang, S. B., 2003 Nov 1, In : IEEE Transactions on Computers. 52, 11, p. 1501-1508 8 p.

Research output: Contribution to journalArticle

Memory architecture
Rendering
Pipelines
Textures
Pixel
2002

Design of the floating-point adder supporting the format conversion and the rounding operations with simultaneous rounding scheme

Park, W. C., Jeong, C. H. & Han, T. D., 2002 Jan 1, In : IEICE Transactions on Information and Systems. E85-D, 8, p. 1341-1345 5 p.

Research output: Contribution to journalArticle

Adders
Hardware
Crops
Pipelines
Silicon
2000
1 Citation (Scopus)

A low-power cache system for embedded processors

Park, G. H., Lee, K. W., Lee, J. S., Han, T. D., Kim, S. D., Kim, Y. C., Jeong, S. W. & Lee, K. Y., 2000 Jan 1, In : Midwest Symposium on Circuits and Systems. 1, p. 316-319 4 p.

Research output: Contribution to journalArticle

Electric power utilization
Electronic equipment
Metals
1 Citation (Scopus)

Impact of the memory interface structure in the memory-processor integrated architecture for computer vision

Kim, Y., Han, T-D. & Kim, S-D., 2000 Jan 31, In : Journal of Systems Architecture. 46, 3, p. 259-274 16 p.

Research output: Contribution to journalArticle

Computer vision
Interfaces (computer)
Program processors
Data storage equipment
Parallel processing systems
1 Citation (Scopus)

Overhead reduction in the network communication for web computing

Juil, O., Jang, J. W. & Han, T. D., 2000 Jun 1, In : International Journal of High Speed Computing. 11, 2, p. 93-109 17 p.

Research output: Contribution to journalArticle

Network Communication
Wide area networks
Ethernet
Telecommunication networks
Router
1999
6 Citations (Scopus)

A floating point multiplier performing IEEE rounding and addition in parallel

Park, W. C., Han, T-D., Kim, S-D. & Yang, S-B., 1999 Jan 1, In : Journal of Systems Architecture. 45, 14, p. 1195-1207 13 p.

Research output: Contribution to journalArticle

Adders
Hardware
Costs
1998
4 Citations (Scopus)

An adaptive parallel computer vision system

Kim, J. M., Kim, Y., Kim, S. D., Han, T. D. & Yang, S. B., 1998 May, In : International Journal of Pattern Recognition and Artificial Intelligence. 12, 3, p. 311-334 24 p.

Research output: Contribution to journalArticle

Computer vision
Parallel processing systems
Data storage equipment
Parallel architectures
Subroutines
4 Citations (Scopus)

Mapping of neural networks onto the memory-processor integrated architecture

Kim, Y., Noh, M. J., Han, T. D. & Kim, S. D., 1998 Aug, In : Neural Networks. 11, 6, p. 1083-1098 16 p.

Research output: Contribution to journalArticle

Neural networks
Data storage equipment
Computer systems
Learning
Memory architecture

Methods to improve performance of instruction prefetching through balanced improvement of two primary performance factors

Park, G. H., Kwon, O. Y., Han, T-D., Kim, S-D. & Yang, S-B., 1998 Jan 1, In : Journal of Systems Architecture. 44, 9-10, p. 755-772 18 p.

Research output: Contribution to journalArticle

Data storage equipment
Time delay
Computer systems
Degradation
1 Citation (Scopus)

Modeling and performance analysis of dual head disk structure

Lee, N. K., Yang, S. B., Han, T. D. & Kim, S. D., 1998 Jun, In : Journal of Systems Architecture. 44, 9-10, p. 787-802 16 p.

Research output: Contribution to journalArticle

Scheduling algorithms
Simulators
1997
7 Citations (Scopus)

Design and performance analysis of the Practical Fat Tree Network using a butterfly network

Kim, Y., Kwon, O. Y., Han, T. D. & Mun, Y., 1997 Jan 1, In : Journal of Systems Architecture. 43, 1-5, p. 355-363 9 p.

Research output: Contribution to journalArticle

Oils and fats
Throughput
Processing
1996
11 Citations (Scopus)

Floating point adder/subtractor performing IEEE pounding and addition/subtraction in parallel

Park, W. C., Lee, S. W., Kwon, O. Y., Han, T-D. & Kim, S-D., 1996 Jan 1, In : IEICE Transactions on Information and Systems. E79-D, 4, p. 297-305 9 p.

Research output: Contribution to journalArticle

Adders
Hardware
Processing
Costs
1 Citation (Scopus)

Non-referenced prefetch (NRP) cache for instruction prefetching

Park, G. H., Kwon, O. Y., Han, T-D. & Kim, S-D., 1996 Jan 1, In : IEE Proceedings: Computers and Digital Techniques. 143, 1, p. 37-43 7 p.

Research output: Contribution to journalArticle

Prefetching
Cache
Data storage equipment
Traffic
Path