Chong Kwan Un

94 papers A* 1Misc 8Journal 74Unranked 11
YearRankTypeTitle / Venue / Authors
1998 J jnl
Deleted strategy for MMI-based HMM training.
IEEE Trans. Speech Audio Process.
Nam Soo Kim, Chong Kwan Un
1998 J jnl
Performance Analysis of an Input Queueing ATM Switch with Two Priority Classes.
Perform. Evaluation
Jang Wong Lee, Jin Seek Choi, Chong Kwan Un
1998 J jnl
Speech recognition in noisy environments using first-order vector Taylor series.
Speech Commun.
Do Yeong Kim, Chong Kwan Un, Nam Soo Kim
1997 J jnl
Frame-correlated hidden Markov model based on extended logarithmic pool.
IEEE Trans. Speech Audio Process.
Nam Soo Kim, Chong Kwan Un
1997 Misc conf
Low-rate CELP speech coding using an improved weighting function.
ICASSP
Chul Hong Kwon, Chong Kwan Un
1997 — conf
Model-based approach for robust speech recognition in noisy environements with multiple noise sources.
EUROSPEECH
Do Yeong Kim, Nam Soo Kim, Chong Kwan Un
1997 J jnl
Optimum block adaptive filtering algorithms using the preconditioning technique.
IEEE Trans. Signal Process.
Jaesung Lim, Chong Kwan Un
1997 J jnl
Performance Analysis of Input Queue with Combination of Push-Out and State-Dependent Scheduling Schemes for Nonblocking ATM Switches.
Perform. Evaluation
Kye Sang Lee, Chong Kwan Un, Jae Yong Lee
1997 J jnl
Performance Analysis of Two Fanout Splitting Schemes for a Multicast Packet Switch With Capacity M.
Perform. Evaluation
Y. L. Jae, Chong Kwan Un
1997 J jnl
Performance Comparison of Nonpreemptive and Preemptive Priority Queueing Strategies in ATM Packet Switch with Input Buffers.
Perform. Evaluation
Jin Seek Choi, Kye Sang Lee, Chong Kwan Un
1997 J jnl
Statistically reliable deleted interpolation.
IEEE Trans. Speech Audio Process.
Nam Soo Kim, Chong Kwan Un
1996 J jnl
An MLP/HMM hybrid model using nonlinear predictors.
Speech Commun.
Yong-Joo Chung, Chong Kwan Un
1996 J jnl
Block conjugate gradient algorithms for adaptive filtering.
Signal Process.
Jaesung Lim, Chong Kwan Un
1996 J jnl
Cell loss analysis of an ATM multiplexer with loss priority control for VBR bursty traffic.
Comput. Commun.
Sang Won Min, Hae Chung, Chong Kwan Un
1996 J jnl
Multilayer perceptrons for state-dependent weightings of HMM likelihoods.
Speech Commun.
Yong-Joo Chung, Chong Kwan Un
1996 J jnl
Performance Analysis of Cut-Through Buffered Banyan Networks with Finite Buffer Size.
Perform. Evaluation
S. Y. Young, Chong Kwan Un
1996 J jnl
Performance of Contention Processing Schemes for WDM Networks with Control Channels.
Perform. Evaluation
Doo Seok Kim, Chong Kwan Un
1996 J jnl
Performance of dilated banyan network with back-pressure mechanism.
Comput. Commun.
Young Sik Youn, Chong Kwan Un
1996 J jnl
Performance study of an input and output queueing ATM switch with a window scheme and a speed constraint.
Telecommun. Syst.
Jin Seek Choi, Chong Kwan Un
1995 J jnl
An optimum block adaptive algorithm based on the nested iteration technique.
Signal Process.
Jaesung Lim, Chul Heum Yon, Chong Kwan Un
1995 J jnl
Asynchronous reservation protocol for variable-sized messages in a WDM-based local network.
Comput. Commun.
Jae Hwoon Lee, Chong Kwan Un
1995 J jnl
Banyan multipath self-routing ATM switches with shared buffer type switch elements.
IEEE Trans. Commun.
Youn Chan Jung, Chong Kwan Un
1995 J jnl
Contention-based reservation protocols in multiwavelength optical networks with a passive star topology.
IEEE Trans. Commun.
Hong Beom Jeon, Chong Kwan Un
1995 J jnl
Improving the adaptive source model for CELP coding with long analysis frame size.
Speech Commun.
Chul Hong Kwon, Chong Kwan Un
1995 J jnl
On estimating robust probability distribution in HMM-based speech recognition.
IEEE Trans. Speech Audio Process.
Nam Soo Kim, Chong Kwan Un
1995 J jnl
Performance analysis of bandwidth allocation strategy with state-dependent Bernoulli access and preemptive priority in wideband integrated networks.
Telecommun. Syst.
Do Kyu Kim, Chong Kwan Un
1994 J jnl
A Korean Large Vocabulary Speech Recognition System for Automatic Telephone Number Query Service.
Int. J. Pattern Recognit. Artif. Intell.
Jun Mo Koo, Hyung Soon Kim, Chong Kwan Un
1994 J jnl
Analysis of a finite-buffer polling system with exhaustive service based on virtual buffering.
IEEE Trans. Commun.
Woo Young Jung, Chong Kwan Un
1994 J jnl
Capacity of wireless dynamic TDMA and media access control for packetized voice/data integration.
Wirel. Pers. Commun.
Byung-Chul Kim, Chong Kwan Un
1994 J jnl
Modeling and analysis of a tandem link connection under the burst-error condition.
IEEE Trans. Commun.
Young-Jong Cho, Chong Kwan Un
1994 J jnl
Performance Analysis of Markovian Polling Systems with Single Buffers.
Perform. Evaluation
Hae Chung, Chong Kwan Un, Woo Young Jung
1994 J jnl
Performance Analysis of Packet Switches with Input and Output Buffers.
Comput. Networks ISDN Syst.
Chan Jung Youn, Chong Kwan Un
1994 J jnl
Performance Analysis of Reconstruction Algorithms for Packet Voice Communications.
Comput. Networks ISDN Syst.
Young-Jong Cho, Chong Kwan Un
1994 J jnl
Performance analysis of ARQ error controls under Markovian block error pattern.
IEEE Trans. Commun.
Young-Jong Cho, Chong Kwan Un
1994 J jnl
Performance analysis of broadcast star network with priorities.
IEEE Trans. Commun.
Sea Hyeon Nam, Chong Kwan Un
1994 J jnl
Performance analysis of statistical multiplexing for heterogeneous bursty traffic in an ATM network.
IEEE Trans. Commun.
Young Han Kim, Chong Kwan Un
1994 J jnl
Robust adaptive beamforming based on the eigenstructure method.
IEEE Trans. Signal Process.
Won Sik Youn, Chong Kwan Un
1994 J jnl
Unslotted 1- and p
IEEE Trans. Commun.
Chong Ho Yoon, Chong Kwan Un
1993 J jnl
A Sequential Estimation Approach for Performance Improvement of Eigenstructure-Based Methods in Array Processing.
IEEE Trans. Signal Process.
Seong Keun Oh, Chong Kwan Un
1993 J jnl
A linearly constrained beamforming robust to array imperfections.
IEEE Trans. Signal Process.
Won Sik Youn, Chong Kwan Un
1993 J jnl
Analysis of bandwidth allocation strategies with access restrictions in broadband ISDN.
IEEE Trans. Commun.
Young Han Kim, Chong Kwan Un
1993 J jnl
Analysis of the M/G/1 queue under a combined preemptive/nonpreemptive priority discipline.
IEEE Trans. Commun.
You Ze Cho, Chong Kwan Un
1993 J jnl
Design and performance analysis of an asynchronous non-blocking switch with window policy.
Telecommun. Syst.
Goo Yeon Lee, Chong Kwan Un
1993 J jnl
Fast adaptive beamforming robust to array imperfections.
Signal Process.
Won Sik Youn, Chong Kwan Un
1993 J jnl
Performance of Personal Portable Radio Telephone Systems with and without Guard Channels.
IEEE J. Sel. Areas Commun.
Chong Ho Yoon, Chong Kwan Un
1993 J jnl
Performance of the prioritized random token protocol for high-speed and ratio networks.
IEEE Trans. Commun.
Dong Soo Park, Chong Kwan Un
1992 J jnl
A recognition time reduction algorithm for large-vocabulary speech recognition.
Speech Commun.
Jun Mo Koo, Chong Kwan Un
1992 — conf
A speaker adaptation based on corrective training and learning vector quantization.
ICSLP
Myoung-Wan Koo, Chong Kwan Un
1992 J jnl
Performance Analysis of Broadcast Star Network with Collision-Avoidance Switch.
Comput. Networks ISDN Syst.
Sea Hyeon Nam, Chong Kwan Un
1992 J jnl
Performance Analysis of Leaky-Bucket Bandwidth Enforcement Strategy for Bursty Traffics in an ATM Network.
Comput. Networks ISDN Syst.
Young Han Kim, Byung Chul Shin, Chong Kwan Un
1992 A* conf
Performance Analysis of a Multichannel Local Lightwave Network with Grouping Property.
INFOCOM
Sea Hyeon Nam, Chong Kwan Un
1992 J jnl
Simple computational methods of the AP algorithm for maximum likelihood localization of multiple radiating sources.
IEEE Trans. Signal Process.
Seong Keun Oh, Chong Kwan Un
1991 J jnl
Fast initialization procedure of the alternating projection algorithm for maximum likelihood localization of multiple sources.
Signal Process.
Seong Keun Oh, Chong Kwan Un
1991 J jnl
Parallel modified spatial smoothing algorithm for coherent interference cancellation.
Signal Process.
Sun Park, Chong Kwan Un
1991 J jnl
Performance Analysis of an Integrated Voice / Data Cut-Through Switching Network.
Comput. Networks ISDN Syst.
Y. S. Youn, Chong Kwan Un
1991 J jnl
Unslotted CSMA-CD Protocols with Combined Retransmission Strategy for Fiber Optic Bus and Ring Networks.
Comput. Networks ISDN Syst.
Chong Ho Yoon, Chong Kwan Un
1991 J jnl
Window flow control with error-checking scheme in quasi-cut-through switching network with noisy channels.
IEEE Trans. Commun.
Young-Jong Cho, Chong Kwan Un
1990 — conf
A comparative study of speaker adaptation methods for HMM-based speech recognition.
ICSLP
Myoung-Wan Koo, Chong Kwan Un, Hwang Soo Lee, Jun Mo Koo, H. R. Kim
1990 — conf
A low rate VQ speech coding algorithm with variable transmission frame length.
ICSLP
Sung Ro Lee, Hwang Soo Lee, Chong Kwan Un
1990 — conf
A recognition time reduction algorithm for large-vocabulary speech recognition.
ICSLP
Jun Mo Koo, Chong Kwan Un, Hwang Soo Lee, H. R. Kim, Myoung-Wan Koo
1990 — conf
An efficient viterbi scoring architecture for HMM-based isolated word recognition systems.
ICSLP
Jin Yul Kim, Yun-Seok Cho, Soon Young Yoon, Hwang Soo Lee, Chong Kwan Un
1990 J jnl
Delay Analysis of the ISDN D-Channel Access Protocol.
Comput. Networks ISDN Syst.
Goo Yeon Lee, Chong Kwan Un
1990 — conf
Generalized training of hidden Markov model parameters for speech recognition.
ICSLP
Nam Soo Kim, Chong Kwan Un
1990 J jnl
Performance analysis of a packet-switched synchronous voice/data transmission system.
IEEE Trans. Commun.
Jun Kyun Choi, Jung Uck Seo, Chong Kwan Un
1990 — conf
Speech recognition method based on the dual processing nature of speech perception.
ICSLP
Hyung Soon Kim, Chong Kwan Un
1989 J jnl
On acknowledgement schemes of sliding window flow control.
IEEE Trans. Commun.
Jun-Kyun Choi, Chong Kwan Un
1989 J jnl
Performance of a class of adaptive data-driven echo cancellers.
IEEE Trans. Commun.
Gi Hong Im, Chong Kwan Un, Jae Chon Lee
1986 J jnl
Performance Analysis of a Quasi-M/D/1 Cut-Through Switching Network with Noisy Channels.
IEEE Trans. Commun.
Byung Chul Shin, Chong Kwan Un
1986 — conf
Variable-rate ADM with Efficient Residual Coding for Packet Voice Transmission.
ICC
Dong-Ho Cho, Chong Kwan Un
1986 — conf
Voice Transmission Through the Code Division Multiple Access Local Area Network.
ICC
Jong Rak Lee, Chong Kwan Un
1985 J jnl
On Improving the Performance of an FIR ADM Digital Filter.
IEEE Trans. Commun.
Y. C. Kye, H. J. Cho, Chong Kwan Un
1985 J jnl
On the Performance of Speech Waveform Coders with Noise Spectral Shaping.
IEEE Trans. Commun.
Hwang Soo Lee, Chong Kwan Un
1985 J jnl
Performance Analysis of PCM/ADPCM Transcoding Systems.
IEEE Trans. Commun.
Jin-Ick Lee, Chong Kwan Un
1985 J jnl
Performance Analysis of Statistical Voice/Data Multiplexing Systems with Voice Storage.
IEEE Trans. Commun.
Hyeong Lee, Chong Kwan Un
1985 J jnl
The N-Phase Digital Tanlock Loop for Tracking Suppressed-Carrier N-ary PSK Signals.
IEEE Trans. Commun.
Hwa Kim, Chong Kwan Un, Jae Chon Lee
1984 — conf
A 9600 Bit/s RELP Vocoder With Split-Band Coding.
ICC (3)
Chong Kwan Un, Jong Rak Lee
1984 Misc conf
A performance comparison of pitch extraction algorithms for noisy speech.
ICASSP
Kyong-Ae Oh, Chong Kwan Un
1984 Misc conf
On the convergence behaviour of frequency-domain LMS adaptive digital filters.
ICASSP
Jae Chon Lee, Chong Kwan Un
1984 J jnl
Two-Dimensional FIR ADM Digital Filters.
IEEE Trans. Commun.
Gi Hong Im, Chong Kwan Un
1983 J jnl
Implementation of a Multirate Speech Digitizer.
IEEE Trans. Commun.
Byung Suk Lee, Chong Kwan Un, Hyeong-Ho Lee, Byoung Cheol Shin, Hwang Soo Lee
1983 J jnl
Implementation of a Two-Channel LPC Vocoder.
IEEE Trans. Commun.
Byoung Cheol Shin, Hyeong-Ho Lee, Chong Kwan Un, Sang Zee Lee, Kil Ho Song
1982 J jnl
Hybrid Companding Delta Modulation with Variable-Rate Sampling.
IEEE Trans. Commun.
Chong Kwan Un, Dong-Ho Cho
1982 Misc conf
On spectral flattening techniques in residual-excited linear prediction vocoding.
ICASSP
Chong Kwan Un, Jong Rak Lee
1982 J jnl
Performance Analysis of Digital Tanlock Loop.
IEEE Trans. Commun.
Jae Chon Lee, Chong Kwan Un
1982 Misc conf
Pole-zero modeling of noisy speech and its application to vocoding.
ICASSP
Kil Ho Song, Chong Kwan Un
1981 J jnl
A Performance Study of Delta Modulation Systems for Voiceband Data Signals.
IEEE Trans. Commun.
Yong-Hwan Lee, Chong Kwan Un
1981 J jnl
Hybrid Companding Delta Modulation.
IEEE Trans. Commun.
Chong Kwan Un, Hwang Soo Lee, Joo Seok Song
1981 Misc conf
Improving LPC analysis of noisy speech by autocorrelation subtraction method.
ICASSP
Chong Kwan Un, K. Y. Choi
1980 Misc conf
A 4800 bps LPC vocoder with improved excitation.
ICASSP
Chong Kwan Un, Wonyong Sung
1980 J jnl
A Study of the Comparative Performance of Adaptive Delta Modulation Systems.
IEEE Trans. Commun.
Chong Kwan Un, Hwang Soo Lee
1980 Misc conf
On pole-zero modeling of speech.
ICASSP
Kil Ho Song, Chong Kwan Un
1980 J jnl
Quantization Noise in Adaptive Delta Modulation Systems.
IEEE Trans. Commun.
Hwang Soo Lee, Chong Kwan Un
1978 J jnl
A Low-Rate Digital Formant Vocoder.
IEEE Trans. Commun.
Chong Kwan Un
1975 J jnl
The Residual-Excited Linear Prediction Vocoder with Transmission Rate Below 9.6 kbits/s.
IEEE Trans. Commun.
Chong Kwan Un, D. Thomas Magill