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Chong Kwan Un
C. K. Un – 은종관
Person information
- unicode name: 은종관
- affiliation: KAIST, Communications Research Laboratory, Seoul, Korea
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1990 – 1999
- 1998
- [j107]Jang Wong Lee, Jin Seek Choi
, Chong Kwan Un:
Performance Analysis of an Input Queueing ATM Switch with Two Priority Classes. Perform. Evaluation 32(2): 137-149 (1998) - [j106]Do Yeong Kim, Chong Kwan Un, Nam Soo Kim:
Speech recognition in noisy environments using first-order vector Taylor series. Speech Commun. 24(1): 39-49 (1998) - [j105]Nam Soo Kim, Chong Kwan Un:
Deleted strategy for MMI-based HMM training. IEEE Trans. Speech Audio Process. 6(3): 299-303 (1998) - 1997
- [j104]Y. L. Jae, Chong Kwan Un:
Performance Analysis of Two Fanout Splitting Schemes for a Multicast Packet Switch With Capacity M. Perform. Evaluation 29(1): 1-14 (1997) - [j103]Jin Seek Choi
, Kye Sang Lee, Chong Kwan Un:
Performance Comparison of Nonpreemptive and Preemptive Priority Queueing Strategies in ATM Packet Switch with Input Buffers. Perform. Evaluation 29(3): 177-194 (1997) - [j102]Kye Sang Lee, Chong Kwan Un, Jae Yong Lee:
Performance Analysis of Input Queue with Combination of Push-Out and State-Dependent Scheduling Schemes for Nonblocking ATM Switches. Perform. Evaluation 30(3): 153-175 (1997) - [j101]Nam Soo Kim, Chong Kwan Un:
Frame-correlated hidden Markov model based on extended logarithmic pool. IEEE Trans. Speech Audio Process. 5(2): 149-160 (1997) - [j100]Nam Soo Kim, Chong Kwan Un:
Statistically reliable deleted interpolation. IEEE Trans. Speech Audio Process. 5(3): 292-295 (1997) - [j99]Jaesung Lim, Chong Kwan Un:
Optimum block adaptive filtering algorithms using the preconditioning technique. IEEE Trans. Signal Process. 45(3): 773-778 (1997) - [c24]Chul Hong Kwon, Chong Kwan Un:
Low-rate CELP speech coding using an improved weighting function. ICASSP 1997: 743-746 - [c23]Do Yeong Kim, Nam Soo Kim, Chong Kwan Un:
Model-based approach for robust speech recognition in noisy environements with multiple noise sources. EUROSPEECH 1997: 1123-1126 - 1996
- [j98]Y. J. Kim, S. C. Chang, C. K. Un, Byung-Choel Shin:
UPC/NPC algorithm for guaranteed QoS in ATM networks. Comput. Commun. 19(3): 216-225 (1996) - [j97]Sang Won Min, Hae Chung, Chong Kwan Un:
Cell loss analysis of an ATM multiplexer with loss priority control for VBR bursty traffic. Comput. Commun. 19(6-7): 487-497 (1996) - [j96]Young Sik Youn, Chong Kwan Un:
Performance of dilated banyan network with back-pressure mechanism. Comput. Commun. 19(12): 972-981 (1996) - [j95]Doo Seok Kim, Chong Kwan Un:
Performance of Contention Processing Schemes for WDM Networks with Control Channels. Perform. Evaluation 25(2): 85-104 (1996) - [j94]S. Y. Young, Chong Kwan Un:
Performance Analysis of Cut-Through Buffered Banyan Networks with Finite Buffer Size. Perform. Evaluation 25(4): 293-311 (1996) - [j93]J. S. Lim, K. K. Lee, C. K. Un:
An optimum block adaptive shifting algorithm using the Toeplitz preconditioner. Signal Process. 49(3): 217-221 (1996) - [j92]Jaesung Lim, Chong Kwan Un:
Block conjugate gradient algorithms for adaptive filtering. Signal Process. 55(1): 65-77 (1996) - [j91]Yong-Joo Chung, Chong Kwan Un:
Multilayer perceptrons for state-dependent weightings of HMM likelihoods. Speech Commun. 18(1): 79-89 (1996) - [j90]O. W. Kwon, C. K. Un:
Performance of HMM-based speech recognizers with discriminative state-weights. Speech Commun. 19(3): 197-205 (1996) - [j89]Yong-Joo Chung, Chong Kwan Un:
An MLP/HMM hybrid model using nonlinear predictors. Speech Commun. 19(4): 307-316 (1996) - [j88]C. S. Jang, C. K. Un:
A new parameter smoothing method in the hybrid TDNN/HMM architecture for speech recognition. Speech Commun. 19(4): 317-324 (1996) - [j87]Y. K. Park, C. K. Un:
Word recognition by a parallel-branch subunit model based on misrecognized data in semi-continuous HMM. IEEE Signal Process. Lett. 3(3): 66-68 (1996) - [j86]O. W. Kwon, C. K. Un:
Discriminative weighting of HMM state-likelihoods using the GPD method. IEEE Signal Process. Lett. 3(9): 257-259 (1996) - [j85]Y. K. Park, C. K. Un:
On the generation and use of a parallel-branch subunit model in continuous HMM. IEEE Trans. Speech Audio Process. 4(4): 290-293 (1996) - [j84]Y. K. Park, C. K. Un, O. W. Kwon:
Modeling acoustic transitions in speech by modified hidden Markov models with state duration and state duration-dependent observation probabilities. IEEE Trans. Speech Audio Process. 4(5): 389-392 (1996) - [j83]S. W. Min, C. K. Un:
Performance of a burst admission control scheme based on prediction of cell losses. Telecommun. Syst. 6(1): 229-235 (1996) - [j82]Jin Seek Choi
, Chong Kwan Un:
Performance study of an input and output queueing ATM switch with a window scheme and a speed constraint. Telecommun. Syst. 6(1): 289-300 (1996) - 1995
- [j81]Jae Hwoon Lee, Chong Kwan Un:
Asynchronous reservation protocol for variable-sized messages in a WDM-based local network. Comput. Commun. 18(12): 880-888 (1995) - [j80]Jaesung Lim, Chul Heum Yon, Chong Kwan Un:
An optimum block adaptive algorithm based on the nested iteration technique. Signal Process. 45(2): 245-254 (1995) - [j79]Chul Hong Kwon, Chong Kwan Un:
Improving the adaptive source model for CELP coding with long analysis frame size. Speech Commun. 16(4): 423-433 (1995) - [j78]Nam Soo Kim, Chong Kwan Un:
On estimating robust probability distribution in HMM-based speech recognition. IEEE Trans. Speech Audio Process. 3(4): 279-285 (1995) - [j77]Hong Beom Jeon, Chong Kwan Un:
Contention-based reservation protocols in multiwavelength optical networks with a passive star topology. IEEE Trans. Commun. 43(11): 2794-2802 (1995) - [j76]Youn Chan Jung, Chong Kwan Un:
Banyan multipath self-routing ATM switches with shared buffer type switch elements. IEEE Trans. Commun. 43(11): 2847-2857 (1995) - [j75]Do Kyu Kim, Chong Kwan Un:
Performance analysis of bandwidth allocation strategy with state-dependent Bernoulli access and preemptive priority in wideband integrated networks. Telecommun. Syst. 4(1): 97-111 (1995) - 1994
- [j74]Young-Jong Cho, Chong Kwan Un:
Performance Analysis of Reconstruction Algorithms for Packet Voice Communications. Comput. Networks ISDN Syst. 26(11): 1385-1408 (1994) - [j73]Chan Jung Youn, Chong Kwan Un:
Performance Analysis of Packet Switches with Input and Output Buffers. Comput. Networks ISDN Syst. 26(12): 1559-1580 (1994) - [j72]W. S. Chung, C. K. Un, Byung-Choel Shin:
Analysis of delay bounds of a tree protocol with collision detection. Comput. Commun. 17(4): 288-296 (1994) - [j71]Jun Mo Koo, Hyung Soon Kim, Chong Kwan Un:
A Korean Large Vocabulary Speech Recognition System for Automatic Telephone Number Query Service. Int. J. Pattern Recognit. Artif. Intell. 8(1): 215-232 (1994) - [j70]Hae Chung, Chong Kwan Un, Woo Young Jung:
Performance Analysis of Markovian Polling Systems with Single Buffers. Perform. Evaluation 19(4): 303-315 (1994) - [j69]B. J. Min, C. K. Un:
A fast transversal filtering algorithm for pole-zero modeling. Signal Process. 37(1): 61-72 (1994) - [j68]Woo Young Jung, Chong Kwan Un:
Analysis of a finite-buffer polling system with exhaustive service based on virtual buffering. IEEE Trans. Commun. 42(12): 3144-3149 (1994) - [j67]Young-Jong Cho, Chong Kwan Un:
Modeling and analysis of a tandem link connection under the burst-error condition. IEEE Trans. Commun. 42(234): 360-366 (1994) - [j66]Chong Ho Yoon, Chong Kwan Un:
Unslotted 1- and pi-persistent CSMA-CD protocols for fiber optic bus networks. IEEE Trans. Commun. 42(234): 458-465 (1994) - [j65]Young Han Kim, Chong Kwan Un:
Performance analysis of statistical multiplexing for heterogeneous bursty traffic in an ATM network. IEEE Trans. Commun. 42(234): 745-753 (1994) - [j64]Sea Hyeon Nam, Chong Kwan Un:
Performance analysis of broadcast star network with priorities. IEEE Trans. Commun. 42(234): 1785-1794 (1994) - [j63]Young-Jong Cho, Chong Kwan Un:
Performance analysis of ARQ error controls under Markovian block error pattern. IEEE Trans. Commun. 42(234): 2051-2061 (1994) - [j62]Won Sik Youn, Chong Kwan Un:
Robust adaptive beamforming based on the eigenstructure method. IEEE Trans. Signal Process. 42(6): 1543-1547 (1994) - [j61]Byung-Chul Kim, Chong Kwan Un:
Capacity of wireless dynamic TDMA and media access control for packetized voice/data integration. Wirel. Pers. Commun. 1(4): 313-319 (1994) - 1993
- [j60]Hong-Bum Jeon, Byung-Choel Shin, C. K. Un:
Probabilistic reservation protocol for high-speed unidirectional bus networks. Comput. Commun. 16(3): 140-146 (1993) - [j59]Chong Ho Yoon, Chong Kwan Un:
Performance of Personal Portable Radio Telephone Systems with and without Guard Channels. IEEE J. Sel. Areas Commun. 11(6): 911-917 (1993) - [j58]Won Sik Youn, Chong Kwan Un:
Fast adaptive beamforming robust to array imperfections. Signal Process. 34(1): 109-121 (1993) - [j57]B. J. Min, C. K. Un:
Pole-zero modeling of speech using fast transversal filtering algorithm. Speech Commun. 12(4): 301-320 (1993) - [j56]You Ze Cho, Chong Kwan Un:
Analysis of the M/G/1 queue under a combined preemptive/nonpreemptive priority discipline. IEEE Trans. Commun. 41(1): 132-141 (1993) - [j55]Young Han Kim, Chong Kwan Un:
Analysis of bandwidth allocation strategies with access restrictions in broadband ISDN. IEEE Trans. Commun. 41(5): 771-781 (1993) - [j54]Dong Soo Park, Chong Kwan Un:
Performance of the prioritized random token protocol for high-speed and ratio networks. IEEE Trans. Commun. 41(6): 917-931 (1993) - [j53]Goo Yeon Lee, Chong Kwan Un:
Design and performance analysis of an asynchronous non-blocking switch with window policy. Telecommun. Syst. 1(1): 77-97 (1993) - [j52]Seong Keun Oh, Chong Kwan Un:
A Sequential Estimation Approach for Performance Improvement of Eigenstructure-Based Methods in Array Processing. IEEE Trans. Signal Process. 41(1): 457-462 (1993) - [j51]Won Sik Youn, Chong Kwan Un:
A linearly constrained beamforming robust to array imperfections. IEEE Trans. Signal Process. 41(3): 1425-1428 (1993) - [j50]J. W. Kim, C. K. Un:
A robust adaptive array based on signal subspace approach. IEEE Trans. Signal Process. 41(11): 3166-3171 (1993) - 1992
- [j49]Sea Hyeon Nam, Chong Kwan Un:
Performance Analysis of Broadcast Star Network with Collision-Avoidance Switch. Comput. Networks ISDN Syst. 25(2): 169-182 (1992) - [j48]Young Han Kim, Byung Chul Shin, Chong Kwan Un:
Performance Analysis of Leaky-Bucket Bandwidth Enforcement Strategy for Bursty Traffics in an ATM Network. Comput. Networks ISDN Syst. 25(3): 295-303 (1992) - [j47]C. K. Jeong, C. K. Un:
Analysis of voice/data multiplexers with ARQ scheme, based on a Markov renewal process modelling. Comput. Commun. 15(7): 438-446 (1992) - [j46]O. W. Kwon, C. K. Un, J. C. Lee:
Performance of constant modulus adaptive digital filters for interference cancellation. Signal Process. 26(2): 185-196 (1992) - [j45]Jun Mo Koo, Chong Kwan Un:
A recognition time reduction algorithm for large-vocabulary speech recognition. Speech Commun. 11(1): 45-50 (1992) - [j44]W. Y. Jung, C. K. Un:
Analysis of throughput and delay of a high-speed slotted ring based on lumped modeling. IEEE Trans. Commun. 40(5): 860-862 (1992) - [j43]S. R. Kim, C. K. Un:
Throughput analysis for two ARQ schemes using combined transition matrix. IEEE Trans. Commun. 40(11): 1679-1683 (1992) - [j42]J. W. Kim, C. K. Un:
An adaptive array robust to beam pointing error. IEEE Trans. Signal Process. 40(6): 1582-1584 (1992) - [j41]Seong Keun Oh, Chong Kwan Un:
Simple computational methods of the AP algorithm for maximum likelihood localization of multiple radiating sources. IEEE Trans. Signal Process. 40(11): 2848-2854 (1992) - [c22]Jun Mo Koo, Hwang Soo Lee, C. K. Un:
An improved VQ codebook design algorithm for HMM. ICASSP 1992: 357-360 - [c21]Sea Hyeon Nam, Chong Kwan Un:
Performance Analysis of a Multichannel Local Lightwave Network with Grouping Property. INFOCOM 1992: 656-663 - [c20]Myoung-Wan Koo, Chong Kwan Un:
A speaker adaptation based on corrective training and learning vector quantization. ICSLP 1992: 1475-1478 - 1991
- [j40]Y. S. Youn, Chong Kwan Un:
Performance Analysis of an Integrated Voice / Data Cut-Through Switching Network. Comput. Networks ISDN Syst. 21: 41-51 (1991) - [j39]Chong Ho Yoon, Chong Kwan Un:
Unslotted CSMA-CD Protocols with Combined Retransmission Strategy for Fiber Optic Bus and Ring Networks. Comput. Networks ISDN Syst. 21(5): 381-397 (1991) - [j38]J. S. Sunwoo, C. K. Un:
Recursive modified Gram-Schmidt algorithm for linear phase filtering. Signal Process. 22(1): 43-51 (1991) - [j37]Sun Park, Chong Kwan Un:
Parallel modified spatial smoothing algorithm for coherent interference cancellation. Signal Process. 24(3): 299-317 (1991) - [j36]Seong Keun Oh, Chong Kwan Un:
Fast initialization procedure of the alternating projection algorithm for maximum likelihood localization of multiple sources. Signal Process. 25(3): 381-389 (1991) - [j35]B. K. Lim, C. K. Un:
Dual RLS lattice joint process estimation algorithm for a time-varying ARMA speech model. Speech Commun. 10(3): 303-306 (1991) - [j34]Young-Jong Cho, Chong Kwan Un:
Window flow control with error-checking scheme in quasi-cut-through switching network with noisy channels. IEEE Trans. Commun. 39(3): 394-397 (1991) - 1990
- [j33]Goo Yeon Lee, Chong Kwan Un:
Delay Analysis of the ISDN D-Channel Access Protocol. Comput. Networks ISDN Syst. 19(1): 25-41 (1990) - [j32]Jun Kyun Choi, Jung Uck Seo, Chong Kwan Un:
Performance analysis of a packet-switched synchronous voice/data transmission system. IEEE Trans. Commun. 38(9): 1419-1429 (1990) - [j31]J. I. Lee, C. K. Un:
On reducing computational complexity of codebook search in CELP coding. IEEE Trans. Commun. 38(11): 1935-1937 (1990) - [c19]Myoung-Wan Koo, Chong Kwan Un, Hwang Soo Lee, Jun Mo Koo, H. R. Kim:
A comparative study of speaker adaptation methods for HMM-based speech recognition. ICSLP 1990: 145-148 - [c18]Nam Soo Kim, Chong Kwan Un:
Generalized training of hidden Markov model parameters for speech recognition. ICSLP 1990: 225-228 - [c17]Jun Mo Koo, Chong Kwan Un, Hwang Soo Lee, H. R. Kim, Myoung-Wan Koo:
A recognition time reduction algorithm for large-vocabulary speech recognition. ICSLP 1990: 253-256 - [c16]Hyung Soon Kim, Chong Kwan Un:
Speech recognition method based on the dual processing nature of speech perception. ICSLP 1990: 257-260 - [c15]Jin Yul Kim, Yun-Seok Cho, Soon Young Yoon, Hwang Soo Lee, Chong Kwan Un:
An efficient viterbi scoring architecture for HMM-based isolated word recognition systems. ICSLP 1990: 541-544 - [c14]Sung Ro Lee, Hwang Soo Lee, Chong Kwan Un:
A low rate VQ speech coding algorithm with variable transmission frame length. ICSLP 1990: 657-660
1980 – 1989
- 1989
- [j30]Jun-Kyun Choi, Chong Kwan Un:
On acknowledgement schemes of sliding window flow control. IEEE Trans. Commun. 37(11): 1184-1191 (1989) - [j29]Gi Hong Im, Chong Kwan Un, Jae Chon Lee:
Performance of a class of adaptive data-driven echo cancellers. IEEE Trans. Commun. 37(12): 1254-1263 (1989) - 1988
- [j28]H. J. Kim, C. K. Un:
On the convergence speed of nonlinear least-squares IIR adaptive filter. Proc. IEEE 76(7): 842-843 (1988) - [j27]J. S. Sunwoo, C. K. Un:
Fast sequential least squares design of FIR filters with linear phase. Proc. IEEE 76(9): 1247-1248 (1988) - [j26]Jun Kyun Choi, C. K. Un:
An efficient multiplexing technique for packet-switched voice/data networks. Proc. IEEE 76(9): 1254-1256 (1988) - [j25]C. K. Jeong, C. K. Un:
Performance analysis of a voice/data multiplexer based on Markov renewal process modelling. Proc. IEEE 76(10): 1390-1393 (1988) - 1987
- [j24]W. D. Cho, C. K. Un:
On improving the performance of a digital tanlock loop. Proc. IEEE 75(4): 520-522 (1987) - [j23]Gi Hong Im, C. K. Un:
A reduced structure of the passband fractionally spaced equalizer. Proc. IEEE 75(6): 847-849 (1987) - 1986
- [j22]H. J. Cho, C. K. Un:
On reducing computational complexity in connected digit recognition by the frame labeling method. Proc. IEEE 74(4): 614-616 (1986) - [j21]Byung Chul Shin, Chong Kwan Un:
Performance Analysis of a Quasi-M/D/1 Cut-Through Switching Network with Noisy Channels. IEEE Trans. Commun. 34(9): 882-889 (1986) - [c13]J. W. Kim, C. K. Un:
Enhancement of noisy speech by forward/Backward adaptive digital filtering. ICASSP 1986: 89-92 - [c12]Won Sik Youn, C. K. Un:
Isolated word recognition based on finite-state vector quantization. ICASSP 1986: 717-720 - [c11]Jong Rak Lee, Chong Kwan Un:
Voice Transmission Through the Code Division Multiple Access Local Area Network. ICC 1986: 1260-1264 - [c10]Dong-Ho Cho, Chong Kwan Un:
Variable-rate ADM with Efficient Residual Coding for Packet Voice Transmission. ICC 1986: 1290-1294 - 1985
- [j20]J. C. Lee, C. K. Un, Dong-Ho Cho:
A frequency-weighted block LMS algorithm and its application to speech processing. Proc. IEEE 73(6): 1137-1138 (1985) - [j19]S. M. Ryu, C. K. Un:
A simple method for MSK modulation and demodulation. Proc. IEEE 73(11): 1690-1691 (1985) - [j18]Y. C. Kye, H. J. Cho, Chong Kwan Un:
On Improving the Performance of an FIR ADM Digital Filter. IEEE Trans. Commun. 33(7): 739-742 (1985) - [j17]Hwang Soo Lee, Chong Kwan Un:
On the Performance of Speech Waveform Coders with Noise Spectral Shaping. IEEE Trans. Commun. 33(7): 742-746 (1985) - [j16]Hyeong Lee, Chong Kwan Un:
Performance Analysis of Statistical Voice/Data Multiplexing Systems with Voice Storage. IEEE Trans. Commun. 33(8): 809-819 (1985) - [j15]Hwa Kim, Chong Kwan Un, Jae Chon Lee:
The N-Phase Digital Tanlock Loop for Tracking Suppressed-Carrier N-ary PSK Signals. IEEE Trans. Commun. 33(9): 904-910 (1985) - [j14]Jin-Ick Lee, Chong Kwan Un:
Performance Analysis of PCM/ADPCM Transcoding Systems. IEEE Trans. Commun. 33(12): 1303-1308 (1985) - [c9]J. W. Lee, C. K. Un, J. C. Lee:
Adaptive digital filtering of differentially coded signals. ICASSP 1985: 1257-1260 - 1984
- [j13]Gi Hong Im, Chong Kwan Un:
Two-Dimensional FIR ADM Digital Filters. IEEE Trans. Commun. 32(12): 1344-1348 (1984) - [c8]Kyong-Ae Oh, Chong Kwan Un:
A performance comparison of pitch extraction algorithms for noisy speech. ICASSP 1984: 85-88 - [c7]Jae Chon Lee, Chong Kwan Un:
On the convergence behaviour of frequency-domain LMS adaptive digital filters. ICASSP 1984: 467-470 - [c6]Chong Kwan Un, Jong Rak Lee:
A 9600 Bit/s RELP Vocoder With Split-Band Coding. ICC (3) 1984: 1174-1178 - 1983
- [j12]J. S. Sunwoo, C. K. Un:
Performance Analysis of FIR ADM Digital Filters. IEEE Trans. Commun. 31(4): 577-583 (1983) - [j11]Byung Suk Lee, Chong Kwan Un, Hyeong-Ho Lee, Byoung Cheol Shin, Hwang Soo Lee:
Implementation of a Multirate Speech Digitizer. IEEE Trans. Commun. 31(6): 775-783 (1983) - [j10]Byoung Cheol Shin, Hyeong-Ho Lee, Chong Kwan Un, Sang Zee Lee, Kil Ho Song:
Implementation of a Two-Channel LPC Vocoder. IEEE Trans. Commun. 31(7): 907-916 (1983) - 1982
- [j9]Chong Kwan Un, Dong-Ho Cho:
Hybrid Companding Delta Modulation with Variable-Rate Sampling. IEEE Trans. Commun. 30(4): 593-599 (1982) - [j8]Jae Chon Lee, Chong Kwan Un:
Performance Analysis of Digital Tanlock Loop. IEEE Trans. Commun. 30(10): 2398-2411 (1982) - [c5]Chong Kwan Un, Jong Rak Lee:
On spectral flattening techniques in residual-excited linear prediction vocoding. ICASSP 1982: 216-219 - [c4]Kil Ho Song, Chong Kwan Un:
Pole-zero modeling of noisy speech and its application to vocoding. ICASSP 1982: 1581-1584 - 1981
- [j7]Yong-Hwan Lee, Chong Kwan Un:
A Performance Study of Delta Modulation Systems for Voiceband Data Signals. IEEE Trans. Commun. 29(9): 1324-1329 (1981) - [j6]Chong Kwan Un, Hwang Soo L