Publications

• Sunwoo Kim, Mrudula Athi, Guangji Shi, Minje Kim, Trausti Kristjansson
  Zero-shot test time adaptation via knowledge distillation for personalized speech denoising and dereverberation
  Journal of the Acoustical Society of America 2024

• Minje Kim, Trausti Kristjansson
  Scalable and efficient speech enhancement using modified cold diffusion: A residual learning approach
  ICASSP 2024

• Hao Zhang, Srivatsan Kandadai, Harsha Rao, Minje Kim, Tarun Pruthi, Trausti Kristjansson
  Deep adaptive AEC: Hybrid of deep learning and adaptive acoustic echo cancellation
  ICASSP 2022

• Robert Ayrapetian, Philip Hilmes, Mohamed Mansour, Trausti Kristjansson, Carlo Murgia
  Asynchronous acoustic echo cancellation over wireless channels
  ICASSP 2021

• Yuzhou Liu, Balaji Thoshkahna, Ali Milani, Trausti Kristjansson
  Voice and accompaniment separation in music using self-attention convolutional neural network
  arXive, 2020

• Xianxian Zhang, Trausti Kristjansson, Philip Hilmes
  SIR beam selector for Amazon Echo devices audio front-end
  SiPS 2019

• Yuzhou Liu, Anshuman Ganguly, Krishna Kamath, Trausti Kristjansson
  Neural network based time-frequency masking and steering vector estimation for two-channel MVDR beamforming
  ICASSP 2018

• Amit S. Chhetri, Philip Hilmes, Trausti Kristjansson, Robert Ayrapetian, Wai Chu, Mohamed Mansour, Xiaoxue Li, Xianxian Zhang
  Multichannel audio front-end for far-field automatic speech recognition
  EUSIPCO 2018

• Trausti T. Kristjansson, Thad Hughes
  Spectral Intersections for Non-Stationary Signal Separation
  Interspeech 2012

• Thad Hughes, Trausti T. Kristjansson
  Music Models for Music-Speech Separation
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2012

• John R. Hershey, Steven J. Rennie, Peder A. Olsena, Trausti T. Kristjansson
  Super-human multi-talker speech recognition:A graphical modeling approach
  Computer Speech and Language, 2009

• Ron Weiss, T. Kristjansson
  DySANA: Dynamic Speech and Noise Adaptation for Voice Activity Detection
  Interspeech 2008

• J. Hershey, T. Kristjansson, P. Olsen, S. Rennie
  Single Channel Speech Separation Using Layered Hidden Markov Models
  Neural Information Processing Systems (NIPS) 2006

• Culotta, A., Kristjansson, T., McCallum, A. and Viola, P
  Corrective Feedback and Persistent Learning for Information Extraction
  Artificial Intelligence. 170:1101-1122. 2006

• S. Rennie, P. Olsen, J. Hershey, T. Kristjansson
  The Iroquois Model: Using Temporal Dynamics to Separate Speakers
  Statistics and Perceptual Audition (SAPA) workshop 2006

• T. Kristjansson, J. Hershey, P. Olsen, S. Rennie, R. Gopinath
  Super-Human Multi-Talker Speech Recognition: The IBM 2006 Speech Separation Challenge System [Winner of PASCAL Speech Separation Challenge]
  Interspeech 2006

• S. Rennie, T. Kristjansson, P. Olsen, R. Gopinath
  Dynamic Noise Adaptation
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2006)

• T. Kristjansson, S. Deligne, P. Olsen
  Voicing Features for Robust Speech Detection
  Eurospeech 2005

• J. Hershey, T. Kristjansson, Zhengyou Zhang
  Model-Based Fusion of Bone and Air Sensors for Speech Enhancement and Robust Speech Recognition
  ISCA Workshop on Statistical and Perceptual Audio Processing 2004

• T. Kristjansson, A. Culotta, P. Viola, A. McCallum
  Interactive Information Extraction with Constrained Conditional Random Fields [paper award]
  19th International Conference on Artificial Intelligence, AAAI 2004

• T. Kristjansson, J. Hershey, H. Attias,
  Single Microphone Source Separation using High Resolution Signal Reconstruction,
  IEEE International Conference on Acoustics, Speech and Signal Processing, 2004

• J. Hershey, H. Attias, N. Jojic, T. Kristjansson,
  Audio-Visual Graphical Models for Speech Processing,
  IEEE International Conference on Acoustics, Speech and Signal Processing, 2004

• T. Kristjansson, H. Attias, J. Hershey,
  Stereo Based 3D Tracking and Scene Learning, employing Particle Filtering within EM,
  European Conference on Computer Vision (ECCV) 2004

• T. Kristjansson, J. Hershey,
  High Resolution Signal Reconstruction,
  Proc. of IEEE Workshop on Automatic Speech Recognition and Understanding, 2003

• S. Rennie, P. Aarabi, T. Kristjansson, B. Frey, K. Achan,
  Robust Variational Speech Separation Using Fewer Microphones Than Speakers
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2003), Hong Kong, April 2003.

• T. Kristjansson, B.J. Frey,
  Accounting for Uncertainty in Observations: A New Paradigm for Robust Speech Recognition.
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2002

• C. Pal, B.J. Frey, T. Kristjansson,
  Noise Robust Speech Recognition Using Gaussian Basis Functions for Non-linear Likelihood Function Approximation.
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2002

• T. Kristjansson, B.J. Frey, L. Deng, A. Acero,
  Joint Estimation of Noise and Channel Distortion in a Generalized EM framework
  IEEE Automatic Speech Recognition and Understanding Workshop, (ASRU) 2001

• B.J. Frey, T. Kristjansson, L. Deng, A. Acero,
  Learning dynamic noise models from noisy speech for robust speech recognition
  Advances in Neural Information Processing (NIPS) 2001

• B.J. Frey, L. Deng, A. Acero, T. Kristjansson,
  ALGONQUIN: Iterating Laplace’s Method to Remove Multiple Types of Acoustic Distortion for Robust Speech Recognition [Original Algonquin Paper]
  Eurospeech 2001

• T. Kristjansson, L. Deng, A. Acero, B.J. Frey,
  Towards Non-stationary Model-based Noise Adaptation for Large Vocabulary Speech Recognition Systems
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2001

• A. Acero, L. Deng, T. Kristjansson, J. Zhang,
  HMM Adaptation using Vector Taylor Series for Noisy Speech Recognition
  International Conference on Spoken Language Processing (ICSLP), Beijing, 2000

• T. Kristjansson, B.J. Frey,
  Keeping Flexible Active Contours on Track using Metropolis Updates
  Advances is Neural Information Processing (NIPS) 2000

• T. Kristjansson, B.J. Frey, T.S. Huang,
  Event Coupled Hidden Markov Models
  IEEE International Conference on Multimedia and Expo (ICME), 2000

• T. Kristjansson, P. Ramesh, T.S Huang, B.H. Juang,
  A Unified Structure-Based Framework for Indexing and Gisting of Meetings
  IEEE International Conference on Multimedia Computing and Systems (ICMCS) 1999

• M.R. Naphade, T. Kristjansson, B.J. Frey, T.S. Huang,
  Probabilistic Multimedia Objects (Multijects): A Novel Approach to Video Indexing and Retrieval in Multimedia Systems
  IEEE International Conference on Image Processing (ICIP) 98

Ph.D. Thesis:

• Trausti T. Kristjansson
  Speech Recognition in Adverse Environments: a Probabilistic Approach
  Waterloo, Ontario, Canada, 2002

• Kristjan Ingvarsson (my dad)
  Dynaics of Chochlear Hair Cells as Inferred from Cochlear Potentials and Responses from Auditory Nerve Fibers
  Northwestern University, Evenston, Illinois, USA, 1981