Publications

[50] B. Jung, D. Kim and Wooil Kim, “Clustering-Free End-to-End Spoof Diarization with Encoder-Decoder Attractors ,” Neurips 2026, Sydney,  Australia, Dec. 2026 (Accepted).

[49] D. Kim and Wooil Kim, “Improving Generalization in Speech Deepfake Detection via Orthogonality-Constrained Common-Specific Feature Decorrelation,” Interspeech-2026, Sydney,  Australia, Sept./Oct. 2026.

[48] B. Jung and Wooil Kim, “Hierarchical Permutation Consistency Learning for Self-Conditioned End-to-End Speaker Diarization,” Interspeech-2026, Sydney,  Australia, Sept./Oct. 2026.

[47] J. Jung and Wooil Kim, "Speaker Embedding Loss for End‑to‑End Speaker Diarization without External Embedding Networks," EURASIP Journal on Audio, Speech, and Music Processing, Vol. 2025, No. 40 (2025), Nov. 2025.

[46] B. Jung and Wooil Kim, “DLF-EEND: Dynamic Layer Fusion for End-to-End Speaker Diarization,” Interspeech-2025, Rotterdam, Netherlands, Aug. 2025.

[45] A. Bae and Wooil Kim, "Speaker Verification Employing Combinations of Self-Attention Mechanisms," Electronics 2020, 9, 2201, doi:10.3390/electronics9122201

[44] K. Yoon and Wooil Kim, "Small-Footprint Wake Up Word Recognition in Noisy Environments Employing Competing-Words-Based Feature," Electronics 2020, 9, 2202, doi:10.3390/electronics9122202

[43] S. Mun, S. Shon, Wooil Kim, D. K. Han, and H. Ko, “A Novel Discriminative Feature Extraction for Acoustic Scene Classification using RNN based Source Separation”, IEICE Trans. on Information & Systems, Vol.E100-D, ,No.12, pp.3041-3044, Dec. 2017.

[42] S. Shon, S. Mun, Wooil Kim and H. Ko, “Autoencoder based Domain Adaptation for Speaker Recognition under Insufficient Channel Information,” Interspeech-2017, pp. 1014–1018.

[41] S. Mun, S. Shon, Wooil Kim, D. K. Han, and H. Ko, “Deep Neural Network Based Learning and Transferring Mid-Level Audio Features for Acoustic Scene Classification,” IEEE ICASSP, pp. 796-800, New Orleans, USA, March 5-9, 2017.

[40] S. Mun, M. Shin, S. Shon, Wooil Kim, D. Han and H. Ko, “DNN Transfer Learning based Non-linear Feature Extraction for Acoustic Event Classification”, IEICE Trans. on Information and Systems, Vol.E100-D, No.9, pp.2249-2252, 2017.

[39] S. Mun, S. Shon, Wooil Kim and H. Ko, “Deep Neural Network Bottleneck Features for Acoustic Event Recognition,” INTERSPEECH-2016, pp. 2954-2957, San Francisco, CA, USA, Sept. 8-12, 2016.

[38] M. Shin, Wooil Kim, D. K. Han, H. Ko, “Relative Transfer Function (RTF) Estimation Utilizing Peaks in Time-Domain RTF,” Electronics Letters, 2016.

[37] J. Park, Wooil Kim, D. K. Han, H. Ko, “Two-Microphone Generalized Sidelobe Canceller with Post-Filter Based Speech Enhancement in Composite Noise,” ETRI Journal, Vol. 38, No. 9, pp. 366-375, April 2016.

[36] Wooil Kim and J.H.L. Hansen, “Advanced Parallel Combined Gaussian Mixture Model Based Feature Compensation Integrated with Iterative Channel Estimation,” Speech Communication, vol.73, pp.81-93, Oct. 2015.

[35] S. Mun, S. Shon, Wooil Kim, H. Ko, “Robust Speaker Direction Estimation with Microphone Array Using NMF for Smart TV Interaction,” IEEE ICCE, pp. 120-121, Las Vegas, NV, USA, Jan. 9-12, 2015

[34] J. Park, Wooil Kim, D. K. Han, and H. Ko, “Pre-filtering algorithm for dual-microphone generalized sidelobe canceller using general transfer function”, IEICE Transaction on Information and System, Vol.E97-D, No.9, pp. 2533-2566, Sept. 2014.

[33] J. Park, Wooil Kim, D. K. Han and H. Ko, “Voice Activity Detection in Noisy Environments based on Double-Combined Fourier Transform and Line Fitting”, The Scientific World Journal, Vol. 2014, Article ID 146040, 12 pages, Aug. 2014.(doi: 10.1155/2014/146040).

[32] Wooil Kim and J. H. L. Hansen, “An Advanced Feature Compensation Method Employing Acoustic Model With Phonetically Constrained Structure,” ICASSP-2013, Vancouver, Canada, May 2013.

[31] Wooil Kim and J. H. L. Hansen, “Gaussian Map based Acoustic Model Adaptation Using Untranscribed Data for Speech Recognition in Severely Adverse Environments,” Interspeech-2012, Portland, Oregon, USA, Sept. 2012.

[30] Wooil Kim and J. H. L. Hansen, “Feature Compensation employing Online GMM Adaptation for Speech Recognition in Unknown Severely Adverse Environments,” ICASSP-2012, pp.4121-4124, Kyoto, Japan, March 2012.

[29] Wooil Kim and J. H. L. Hansen, “Feature Compensation for Speech Recognition in Severely Adverse Environments due to Background Noise and Channel Distortion,” Interspeech-2011, pp.1653-1656, Florence, Italy, Aug. 2011.

[28] A. Taufique, K. Vijayasankar, Wooil Kim, J. H. L. Hansen, M. Tacca, and A. Fumagalli, “Phone Impact Based Speech Transmission Technique for Reliable Speech Recognition in Poor Wireless Network Conditions,” Interspeech-2011, pp.2529-2532, Florence, Italy, Aug. 2011.

[27] J.-W. Suh, Yun Lei, Wooil Kim, and J. H. L. Hansen, “Effective Background Data Selection in SVM Speaker Recognition for Unseen Test Environment: More is Not Always Better,” ICASSP-2011, pp. 5304-5307, Prague, Czech Republic, May 2011.

[26] Wooil Kim and J.H.L. Hansen, “A Novel Mask Estimation Method Employing Posterior-Based Mean Estimate for Missing-Feature Speech Recognition,” IEEE Trans. on Audio, Speech, & Language Proc., vol. 19, no. 5, pp. 1434-1443, July 2011.

[25] J.H.L. Hansen, Wooil Kim, M. Rahurkar, E. Ruzanski, and J. Meyerhoff, “Robust Emotional Stressed Speech Detection Using Weighted Frequency Subbands,” EURASIP Journal on Advanced Signal Processing, vol. 2011, Article ID 906789, 10 pages, 2011 (doi: 10.1155/2011/906789).

[24] Wooil Kim and J.H.L. Hansen, “Variational Noise Model Composition Through Model Perturbation for Robust Speech Recognition with Time-Varying Background Noise,” Speech Communication, vol. 53, no. 4, pp. 451-464, April 2011.

[23] Wooil Kim and R.M. Stern, “Mask Classification for Missing-Feature Reconstruction for Robust Speech Recognition with Unknown Background Noise,” Speech Communication, vol.53, no.1, pp.1-11, Jan. 2011.

[22] Wooil Kim and J.H.L. Hansen, “Missing-Feature Reconstruction by Leveraging Temporal Spectral Correlation for Robust Speech Recognition in Background Noise Conditions,” IEEE Trans. on Audio, Speech, & Language Proc., vol. 18, no. 8, pp. 2111-2120, Nov. 2010.

[21] Wooil Kim, J.-W. Suh, and J. H. L. Hansen, “An Effective Feature Compensation Scheme Tightly Matched with Speech Recognizer Employing SVM-based GMM Generation,” Interspeech-2010, pp.2078-2081, Makuhari, Japan, Sept. 2010.

[20] J.H.L. Hansen, Sharmistha S. Gray, and Wooil Kim, “Automatic Voice Onset Time Detection for Unvoiced Stops (/p/, /t/, /k/) with Application to Accent Classification,” Speech Communication, vol. 52, no.10, pp. 777-789, Oct. 2010.

[19] Wooil Kim, and J.H.L. Hansen, “Angry Emotion Detection from Real-Life Conversational Speech by Leveraging Content Structure,” ICASSP-2010, pp.5166-5169, Dallas, U.S.A., March 2010.

[18] Wooil Kim and J.H.L. Hansen, “Phonetic Distance Based Confidence Measure,” IEEE Signal Processing Letters, vol.17, no.2, pp.117-120, Feb. 2010.

[17] Wooil Kim, and J.H.L. Hansen, “Time-Frequency Correlation Based Missing-Feature Reconstruction for Robust Speech Recognition in Background Noise Conditions,” 43rd Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 2009.

[16] Wooil Kim, and J.H.L. Hansen, “Mask Estimation Employing Posterior-Based Representative Mean for Missing-Feature Speech Recognition with Time-Varying Background Noise,” IEEE ASRU-2009, pp.194-198, Merano, Italy, Dec. 2009.

[15] Wooil Kim, and J.H.L. Hansen, “Variational Model Composition for Robust Speech Recognition with Time-Varying Background Noise,” Interspeech-2009, pp.2399-2402, Brighton, UK, Sept. 2009.

[15] Wooil Kim, and J.H.L. Hansen, “Robust Angry Speech Detection Employing TEO-Based Discriminative Classifier Combination,” Interspeech-2009, pp.2019-2022, Brighton, UK, Sept. 2009

[14] Wooil Kim and J.H.L. Hansen, “Time-Frequency Correlation Based Missing-Feature Reconstruction for Robust Speech Recognition in Band-Restricted Conditions,” IEEE Trans. on Audio, Speech, & Language Proc., vol. 17, no. 7, pp. 1292-1304, Sept. 2009.

[13] Wooil Kim and J.H.L. Hansen, “Feature Compensation in the Cepstral Domain Employing Model Combination,” Speech Communication, vol. 51, no. 2, pp. 83-96, Feb. 2009.

[12] Wooil Kim, and J.H.L. Hansen, “Missing-Feature Method for Speaker Recognition in Band-Restricted Conditions,” Interspeech-2008, pp.1909-1912, Brisbane, Australia, Sept. 2008.

[11] J.H.L. Hansen, Wooil Kim and P. Angkititrakul, “Advances In Human-Machine Systems for In-Vehicle Environments,” IEEE HSCMA008, pp.128-131, Trento, Italy, May. 2008.

[10] Wooil Kim, and J.H.L. Hansen, "Feature Compensation Employing Multiple Environmental Models for Robust In-Vehicle Speech Recognition," IEICE Trans. on Information & Systems, vol.E91-D, no. 3, pp. 430-438, March 2008.

[9] Wooil Kim, and J.H.L. Hansen, “Speechfind for CDP: Advances in Spoken Document Retrieval for the U. S. Collaborative Digitization Program,” IEEE ASRU-2007, pp.687-692, Kyoto, Japan, Dec. 2007.

[8] Wooil Kim, and J.H.L. Hansen, "Advances in SpeechFind: Transcript Reliability Estimation Employing Confidence Measure Based on Discriminative Sub-word Model for SDR," Interspeech-2007, pp. 2409-2412, Aug. 2007.

[7] Wooil Kim, M. Akbacak and J.H.L. Hansen, "Advances in SpeechFind: CRSS-UTD Spoken Document Retrieval System," ACM SIGIR 2007 Workshop on Searching Spontaneous Conversational Speech, July 2007.

[6] Wooil Kim, and J.H.L. Hansen, "Feature Compensation Employing Model Combination for Robust Speech Recognition in In-Vehicle Environment," Biennial on DSP for In-Vehicle and Mobile Systems, Istanbul, Turkey, June 2007.

[5] Wooil Kim, and J.H.L. Hansen, "Missing-Feature Reconstruction for Band-Limited Speech Recognition in Spoken Document Retrieval," Interspeech-2006, pp. 2306-2309, Pittsburgh, U.S.A, Sep. 2006.

[4] Wooil Kim, and R.M. Stern, "Band-Independent Mask Estimation for Missing-Feature Reconstruction in the Presence of Unknown Background Noise," ICASSP-2006, pp. 305-308, Toulouse, France, May 2006.

[3] Wooil Kim, R.M. Stern and H. Ko, "Environment-Independent Mask Estimation for Missing-Feature Reconstruction," Interspeech-2005, pp. 2637-2640, Lisbon, Portugal, Sep. 2005.

[2] Wooil Kim, O. Kwon and H. Ko, "PCMM-based Feature Compensation Schemes Using Model Interpolation and Mixture Sharing," ICASSP-2004, pp. 989-992, Montreal, Canada, May 2004.

[1] Wooil Kim, S. Ahn and H. Ko, "Feature Compensation Scheme Based on Parallel Combined Mixture Model," Eurospeech-2003, pp. 677-680, Geneva, Switzerland, Sep. 2003.