Sung-Jea KO


Iterative Image Dehazing Using the Dark Channel Prior
Sung-Ho LEE Seung-Won JUNG Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/10/01
Vol. E99-A  No. 10  pp. 1904-1906
Type of Manuscript:  LETTER
Category: Image
Keyword: 
single image dehazinghaze removaldark channel prioriterative transmission estimation
 Summary | Full Text:PDF(3MB)

Face Recognition Using LBP Eigenfaces
Lei LEI Dae-Hwan KIM Won-Jae PARK Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/07/01
Vol. E97-D  No. 7  pp. 1930-1932
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
LBPeigenfacesPCAface recognition
 Summary | Full Text:PDF(554.3KB)

A New Histogram Modification Method for Stereoscopic Image Enhancement
Seung-Won JUNG Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 2090-2092
Type of Manuscript:  LETTER
Category: Image
Keyword: 
histogram modificationimage enhancementstereoscopic image
 Summary | Full Text:PDF(661.3KB)

Improved B-Picture Coding Scheme for Next Generation Video Compression
Seung-Jin BAEK Seung-Won JUNG Hahyun LEE Hui Yong KIM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/09/01
Vol. E95-D  No. 9  pp. 2318-2326
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
B-picture codingbi-directional motion estimationH.264/AVCdecoder-side motion vector derivation
 Summary | Full Text:PDF(1.8MB)

Depth Enhancement Considering Just Noticeable Difference in Depth
Seung-Won JUNG Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/03/01
Vol. E95-A  No. 3  pp. 673-675
Type of Manuscript:  LETTER
Category: Image
Keyword: 
depth enhancementjust noticeable differencehuman depth perceptionhuman visual system
 Summary | Full Text:PDF(566.3KB)

A Bandwidth Extension Scheme for G.711 Speech by Embedding Multiple Highband Gains
Hae-Yong YANG Kyung-Hoon LEE Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/10/01
Vol. E94-B  No. 10  pp. 2941-2944
Type of Manuscript:  LETTER
Category: Multimedia Systems for Communications
Keyword: 
bandwidth extensionmultiple highband gainsdata embeddingG.711 speech coder
 Summary | Full Text:PDF(1.1MB)

A Novel Content-Aware Stitching Algorithm for Real-Time Video Sequences
Kwang-Wook LEE Seung-Won JUNG Seung-Kyun KIM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/02/01
Vol. E94-D  No. 2  pp. 357-362
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
video stitchingpath-findingmosaicseam update
 Summary | Full Text:PDF(706.8KB)

Adaptive Video Streaming Using Bandwidth Estimation for 3.5G Mobile Network
Hyeong-Min NAM Chun-Su PARK Seung-Won JUNG Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3893-3902
Type of Manuscript:  PAPER
Category: Multimedia Systems for Communications
Keyword: 
QoSvideo streamingbandwidth estimationHSDPAtransmission rate controlbuffer overflow/underflow
 Summary | Full Text:PDF(1.3MB)

An Improved Method to CABAC in the H.264/AVC Video Compression Standard
LeThanh HA Chun-Su PARK Seung-Won JUNG Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3355-3360
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: Coding
Keyword: 
H264/AVCentropy codingarithmetic codesCABAClinear regression
 Summary | Full Text:PDF(278.4KB)

Improved Vector Quantization Based Block Truncation Coding Using Template Matching and Lloyd Quantization
Seung-Won JUNG Yeo-Jin YOON Hyeong-Min NAM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3369-3371
Type of Manuscript:  Special Section LETTER (Special Section on Image Media Quality)
Category: Coding
Keyword: 
block truncation codingtemplate matchingLaplacian distributionLloyd quantization
 Summary | Full Text:PDF(188.2KB)

Efficient Frame Error Concealment Using Bilateral Motion Estimation for Low Bit-Rate Video Transmission
DinhTrieu DUONG Min-Cheol HWANG Byeong-Doo CHOI Jun-Hyung KIM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/02/01
Vol. E92-B  No. 2  pp. 461-472
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
frame error concealmentmultiframe losslow bit-rate video transmissionvideo restoration
 Summary | Full Text:PDF(888.2KB)

Channel Adaptive Error Resilience Scheme for Video Transmission over Mobile WiMAX
Hye-Soo KIM Byeong-Doo CHOI Chun-Su PARK Sang-Hee PARK Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10  pp. 3052-3059
Type of Manuscript:  Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications)
Category: 
Keyword: 
error resilienceQoSintra refreshlong-term DMCmobile WiMAX
 Summary | Full Text:PDF(1020.8KB)

Content-Adaptive Robust Image Watermarking with Posterior HMM-Based Detector
Chuntao WANG Jiangqun NI Rongyue ZHANG Goo-Rak KWON Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 1953-1960
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing)
Category: 
Keyword: 
image watermarkingrobustnesscontent-adaptivewaveletHMM
 Summary | Full Text:PDF(424.7KB)

Improved Fading Scheme for Spatio-Temporal Error Concealment in Video Transmission
Min-Cheol HWANG Jun-Hyung KIM Chun-Su PARK Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/03/01
Vol. E91-A  No. 3  pp. 740-748
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing for Audio and Visual Systems and Its Implementations)
Category: Image Coding and Video Coding
Keyword: 
error concealmentvideo transmissionvideo restorationhybrid approachfading scheme
 Summary | Full Text:PDF(763.4KB)

Inverse Motion Compensation for DCT Block with Unrestricted Motion Vectors
Min-Cheol HWANG Seung-Kyun KIM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/08/01
Vol. E90-D  No. 8  pp. 1199-1201
Type of Manuscript:  Special Section LETTER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
transcodingmotion compensationDCT domainunrestricted motion vector
 Summary | Full Text:PDF(104.3KB)

Spatio-Temporal Video Transcoder for Streaming over Mobile Communications Networks
Jae-Won KIM Goo-Rak KWON June-Sok LEE Nam-Hyeong KIM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/10/01
Vol. E89-B  No. 10  pp. 2678-2686
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: 
Keyword: 
transcodertranscodingrefinementdownsizingframe-skippingstreaming
 Summary | Full Text:PDF(589KB)

Seamless Video Streaming Technique Supporting Error Concealment for VOD Services in Vertical Handoff
Jae-Won KIM Sun-Young JEON Hye-Soo KIM Jae-Woong YUN Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1571-1577
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2005 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2005))
Category: 
Keyword: 
QoSvideo streamingerror concealmentvertical handoffVOD
 Summary | Full Text:PDF(1.8MB)

Probing-Based Channel Adaptive Video Streaming for Wireless 3G Network
Jae-Won KIM Hyeong-Min NAM Sang-Ju LEE Jae-Yong LEE Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 357-363
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies)
Category: 
Keyword: 
QoSnetwork bufferclient bufferavailable bandwidthRTP/RTCP
 Summary | Full Text:PDF(761.3KB)

A Partial Norm Based Early Rejection Algorithm for Fast Motion Estimation
Won-Gi HONG Young-Ro KIM Tae-Myoung OH Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/03/01
Vol. E88-A  No. 3  pp. 626-632
Type of Manuscript:  Special Section PAPER (Special Section on Adaptive Signal Processing and Its Applications)
Category: 
Keyword: 
block motion estimationsuccessive elimination algorithmhalfway-stop techniquepartial norms
 Summary | Full Text:PDF(606.7KB)

Real-Time Frame-Layer Rate Control for Low Bit Rate Video over the Internet
Yoon KIM Jae-Young PYUN Jae-Hwan JEONG Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Vol. E87-B  No. 3  pp. 598-604
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technology IV)
Category: Multimedia Communication
Keyword: 
frame-layer rate controlsliding windowR-D modelLagrangian multiplier
 Summary | Full Text:PDF(284.3KB)

Scene-Adaptive Frame-Layer Rate Control for Low Bit Rate Video
Jae-Young PYUN Yoon KIM Sung-Jea KO HwangJun SONG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2618-2622
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Source Coding/Image Processing
Keyword: 
rate controlH.263+scene changeframe skipping
 Summary | Full Text:PDF(471.1KB)

Semiautomatic Segmentation Using Spatio-Temporal Gradual Region Merging for MPEG-4
Young-Ro KIM Jae-Hwan KIM Yoon KIM Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2526-2534
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Source Coding/Image Processing
Keyword: 
segmentationsemantic video objectobject trackingregion merging
 Summary | Full Text:PDF(1.4MB)

A New MAC Protocol Using AWRR/DT in Broadband Wireless Networks: Novel Contention Methods
Jae-Jeong SHIM Jae-Young PYUN Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/06/01
Vol. E85-A  No. 6  pp. 1308-1319
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2001))
Category: 
Keyword: 
MAC protocolcontention methodATMschedulingQoS
 Summary | Full Text:PDF(1.4MB)

A Novel Histogram-Based Traffic Modeling Method for Multiplexed VBR MPEG Video
Sang-Hyun PARK Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/06/01
Vol. E85-B  No. 6  pp. 1185-1194
Type of Manuscript:  PAPER
Category: Multimedia Systems
Keyword: 
traffic modelingMPEG video modelingtraffic managementcall admission control
 Summary | Full Text:PDF(901.2KB)

Evaluation of Token Bucket Parameters for VBR MPEG Video Transmission over the Internet
Sang-Hyun PARK Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Vol. E85-B  No. 1  pp. 43-51
Type of Manuscript:  Special Section PAPER (Special Issue on Internet Technology II -- Traffic Control and Performance Evaluation in the Internet)
Category: 
Keyword: 
video traffic modelingtraffic controlMPEGtoken bucketInternet
 Summary | Full Text:PDF(512.1KB)

A Simple Scheduling Algorithm Guaranteeing Delay Bounds in ATM Networks
Jae-Jeong SHIM Jae-Young PYUN Sung-Jea KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/06/01
Vol. E84-A  No. 6  pp. 1525-1528
Type of Manuscript:  Special Section LETTER (Special Section on Papers Selected from 2000 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2000))
Category: 
Keyword: 
ATMschedulingper-class queueingQoS
 Summary | Full Text:PDF(296.8KB)