2019

  • van der Westhuizen, E; Niesler, T.R. Synthesised bigrams using word embeddings for code-switched ASR of four South African language pairs. Computer Speech and Language, vol. 54, pp. 151-17, doi: 10.1016/j.csl.2018.10.002, 2019.
  • 2018

  • Struwig, M.N; Wolhuter, R; Niesler, T.R. Non-linear model and optimization method for a single-axis linear-motion energy harvester for footstep excitation. Smart Materials and Structures, vol. 27, number 12, doi: 10.1088/1361-665X/aae6e7, 2018.
  • Lerato, L; Niesler, T.R. Feature Trajectory Dynamic Time Warping for Clustering of Speech Segments. arXiv:1810.12722, 2018.
  • Lerato, L; Niesler, T.R. .Cluster Size Management in Multi-Stage Agglomerative Hierarchical Clustering of Acoustic Speech Segments. arXiv:1810.12744, 2018.
  • Theart, R; Loos, B; Powrie, Y; Niesler, T.R. Improved region of interest selection and colocalization analysis in three-dimensional fluorescence microscopy samples using virtual reality. PLoS ONE, vol. 13, number 8, e0201965. doi:10.1371/journal.pone.0201965, 2018.
  • Biswas, A; van der Westhuizen, E; Niesler, T.R; de Wet, F. Improving ASR for code-switched speech in under-resourced languages using out-of-domain data. Proceedings of SLTU, Gurugram, India, August 2018.
  • Menon, R; Biswas, A; Saeb, A; Quinn, J; Niesler, T.R. Automatic Speech Recognition for Humanitarian Applications in Somali. Proceedings of SLTU, Gurugram, India, August 2018.
  • Menon, R; Kamper, H; Yilmaz, E; Quinn, J; Niesler, T.R. ASR-free CNN-DTW keyword spotting using multilingual bottleneck features for almost zero-resource languages.. Proceedings of SLTU, Gurugram, India, August 2018.
  • Biswas, A; de Wet, F; van der Westhuizen, E; Yilmaz, E; Niesler, T.R. Multilingual Neural Network Acoustic Modelling for ASR of Under-Resourced English-isiZulu Code-Switched Speech. Proceedings of Interspeech, Hyderabad, India, September 2018.
  • Yilmaz, E; Biswas, A; van der Westhuizen, E; de Wet, F; Niesler, T.R. Building a Unified Code-Switching ASR System for South African Languages. Proceedings of Interspeech, Hyderabad, India, September 2018.
  • Menon, R; Kamper, H; Quinn, J; Niesler, T.R. Fast ASR-free and almost zero-resource keyword spotting using DTW and CNNs for humanitarian monitoring. Proceedings of Interspeech, Hyderabad, India, September 2018.
  • van der Westhuizen, E; Niesler, T.R. A First South African Corpus of Multilingual Code-switched Soap Opera Speech. Proceedings of the eleventh international conference on language resources and evaluation (LREC), Miyazaki, Japan, May 2018.
  • Duckitt, W.D; Conradie, J.L; van Niekerk, M.J; Abraham, J.K; Niesler, T.R. The design and implementation of a broadband digital low-level RF control system for the cyclotron accelerators at iThemba LABS. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , vol. 895, pp 1-9, doi: 10.1016/j.nima.2018.03.064, 2018.
    • Botha, G.H.R; Theron, G; Warren, R; Klopper, M; Dheda, K; van Helden, P; Niesler, T.R. Detection of tuberculosis by automatic cough sound analysis. Physiological Measurement, vol. 39, number 4, doi: 10.1088/1361-6579/aab6d0, 2018.
      • Dodson, S.C; Wiid, P.G; Niesler, T.R. Design and adaptation of a folded split ring resonator antenna for use in an animal-borne sensor. IOP Conference Series: Materials Science and Engineering, vol.321, number 1, doi: 10.1088/1757-899X/321/1/012007, 2018.
        • le Roux, S.P; Wolhuter, R; Stevens, N; Niesler, T.R. Reduced Energy and Memory Requirements by On-Board Behaviour Classification for Animal-Borne Sensor Applications. IEEE Sensors Journal, vol. 18, number 10, doi: 10.1109/JSEN.2018.2816965, 2018.
          • 2017

          • le Roux, S.P; Marais, J; Wolhuter, R; Niesler, T.R. Animal borne behaviour classification for sheep (Dohne Merino) and Rhinoceros (Ceratotherium simum and Diceros bicornis). Animal Biotelemtetry, vol. 5, number 25, doi: 10.1186/s40317-017-0140-0, 2017.
          • le Roux, S.P; Wolhuter, R; Niesler, T.R. Energy benefits of on-board behaviour classification for animal-borne sensor applications. Proceedings of IEEE Sensors, Glasgow, United Kingdom, October 2017.
          • le Roux, S.P; Wolhuter, R; Niesler, T.R. An Overview of Automatic Behaviour Classification for Animal-Borne Sensor Applications in South Africa. Proceedings of the ACM Multimedia 2017 Workshop on South African Academic Participation (SAWACMMM), Mountain View, California, USA, doi: 10.1145/3132711.3132716, 2017.
          • Wotherspoon, J; Wolhuter, R; Niesler, T.R. Choosing an integrated radio-frequency module for a wildlife monitoring wireless sensor network. Proceedings of IEEE Africon, Cape Town, South Africa, September 2017.
          • Dodson,S.C.K; Wiid, P.G; Niesler, T.R. Design of a Folded Split Ring Resonator Antenna for Use in an Animal-Borne Sensor. Proceedings of IEEE Radio, Cape Town, South Africa, September 2017.
          • van der Westhuizen, E; Niesler, T.R. Synthesising isiZulu-English code-switch bigrams using word embeddings. Proceedings of Interspeech, Stockholm, Sweden, August 2017.
          • Saeb, A; Menon, R; Cameron, H; Kibira, W; Quinn, J; Niesler, T.R. Very low resource radio browsing for agile developmental and humanitarian monitoring. Proceedings of Interspeech, Stockholm, Sweden, August 2017.
          • Menon, R; Saeb, A; Cameron, H; Kibira, W; Quinn, J; Niesler, T.R. Radio-browsing for Developmental Monitoring in Uganda. Proceedings of the 42nd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), New Orleans, USA, March 2017. ISBN: 978-1-5090-4116-9.
          • 2016

          • Theart, R; Loos, B; Niesler, T.R. Virtual reality assisted microscopy data visualization and colocalization analysis. BMC Bioinformatics, vol. 18, number 2, pp.64-79, doi: 10.1186/s12859-016-1446-2, 2016.
          • Wolfaardt, C.J; Davidson, D.B; Niesler, T.R. Statistical classification of radio frequency interference (RFI) in a radio astronomy environment. Proceedings of the Pattern Recognition Association of South Africa and Robotics and Mechatronics International Conference (PRASA-RobMech), Stellenbosch, South Africa, 2016. ISBN: 978-1-5090-3335-5.
          • van der Westhuizen, E; Niesler, T.R. The Effect of Postlexical Deletion on Automatic Speech Recognition in Fast Spontaneously Spoken Zulu. Proceedings of Interspeech, San Fransisco, USA, 2016. ISSN 2308-457X.
          • van der Westhuizen, E; Niesler, T.R. Automatic Speech Recognition of English-isiZulu Code-switched Speech from South African Soap Operas. Proceedings of the fifth Workshop on Spoken Language Technology for Under-resourced Languages (SLTU), Yogyakarta, Indonesia, 2016.
          • Agenbag, W; Niesler, T.R. Refining sparse coding sub-word unit inventories with lattice-constrained Viterbi training. Proceedings of the fifth Workshop on Spoken Language Technology for Under-resourced Languages (SLTU), Yogyakarta, Indonesia, 2016.
          • 2015

          • Lerato, L; Niesler, T.R. Clustering acoustic segments using multi-stage agglomerative hierarchical clustering. PLoS ONE, vol. 10, number 10, e0141756. doi:10.1371/journal.pone.0141756, 2015.
          • Rademan, C.F; Niesler, T.R. Improved Visual Speech Synthesis using Dynamic Viseme k-means Clustering and Decision Trees. Proceedings of the first Joint Conference on Facial Analysis, Animation and Auditory-Visual Speech Processing (FAAVSP), Vienna, Austria, 2015.
          • Agenbag, W; Niesler, T.R. Automatic segmentation and clustering of speech using sparse coding and metaheuristic search. Proceedings of Interspeech, Dresden, Germany, 2015.
          • van Vuuren, V.Z; ten Bosch, L.F.M; Niesler, T.R. Unconstrained Speech Segmentation using Deep Neural Networks. Proceedings of the 4th International Conference on Pattern Recognition Application and Methods (ICPRAM), Lisbon, Portugal, 2015. ISBN 978-989-758-076-5.
          • 2014

          • Kamper, H; de Wet, F; Hain, T; Niesler, T.R. Capitalising on North American speech resources for the development of a South African English large vocabulary speech recognition system. Computer Speech and Language, vol. 28, issue 6, pp. 1255-1268, 2014.
          • Kamper, H; Niesler, T.R. The impact of accent identification errors on speech recognition of South African English. South African Journal of Science, vol. 110, no. 1/2, pp. 1-6, 2014.
          • Agenbag, W; Smit, W; Niesler, T.R. Automatic Segmentation and Clustering of Speech using Sparse Coding. Proceedings of the twenty-fifth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Cape Town, South Africa, 2014. ISBN 978-0-620-62617-0.
          • Marais, J; le Roux, S.P; Wolhuter, R; Niesler, T.R. Automatic classification of sheep behaviour using 3-axis accelerometer data. Proceedings of the twenty-fifth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Cape Town, South Africa, 2014. ISBN 978-0-620-62617-0.
          • Mohasi, L; Secujski, M; Mak, R; Niesler, T.R. A Comparison of two prosody modelling approaches for Sesotho and Serbian. Proceedings of the 16th International Conference on Speech and Computer (SPECOM), Novi Sad, Serbia, 2014.
          • Mohasi, L; Mixdorf, H; Niesler, T.R. Perceptual evaluation of the effect of mismatched Fujisaki model commands and surface tone in Sesotho. Proceedings of Speech Prosody 7, Dublin, Ireland, 2014.
          • 2013

          • Henselmans, D; van Leeuwen, D; Niesler, T.R. Baseline Speech Recognition of South African Languages using Lwazi and AST. Proceedings of the twenty-fourth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Johannesburg, South Africa, 2013. ISBN 978-0-86970-771-5.
          • Henselmans, D; van Leeuwen, D; Niesler, T.R. Phoneme- and Word-based Language Identification of South African Languages using Lwazi . Proceedings of the twenty-fourth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Johannesburg, South Africa, 2013. ISBN 978-0-86970-771-5.
          • van Vuuren, VZ; ten Bosch, L; Niesler, T.R. A Dynamic Programming Framework for Neural Network-Based Automatic Speech Segmentation. Proceedings of Interspeech, Lyon, France, 2013. ISSN 2308-457X.
          • 2012

          • de Villiers, H.A.C; van Zijl, L; Niesler, T.R. Vision-based hand pose estimation through similarity search using the Earth Mover's Distance. IET Computer Vision, vol. 6, issue 4, pp. 285-295, 2012.
          • de Wet, F; Niesler, T.R; van der Walt, C. The relationship between the automatic assessment of oral proficiency and other indicators of first year student's linguistic abilities. Language Science and Language Technology in Africa: A Festschrift for Justus C, Roux. Ndinga-Koumba-Binza, H,S and Bosch, S.E. (eds). SUN Press, pp. 309-326, 2012. ISBN 978-1-920338-79-4.
          • Kamper, H; Muamba Mukanya, F.J; Niesler, T.R. Multi-accent acoustic modelling of South African English. Speech Communication, vol. 54, no. 6, pp. 801-813, 2012.
          • van Vuuren, VZ; ten Bosch, L; Niesler, T.R. Automatic segmentation of TIMIT by dynamic programming. Proceedings of the twenty-third annual symposium of the Pattern Recognition Association of South Africa (PRASA), Pretoria, 2012. ISBN 978-0-620-54601-0.
          • Kamper, H; Niesler, TR. Optimisation of acoustic models for a target accent using decision-tree state clustering. Proceedings of the twenty-third annual symposium of the Pattern Recognition Association of South Africa (PRASA), Pretoria, 2012. ISBN 978-0-620-54601-0.
          • Lerato, L; Niesler, TR. Investigating parameters for unsupervised clustering of speech segments using TIMIT. Proceedings of the twenty-third annual symposium of the Pattern Recognition Association of South Africa (PRASA), Pretoria, 2012. ISBN 978-0-620-54601-0.
          • Mohasi, L; Mixdorff, H.J; Niesler, T.R; Zerbian, S. Analysis of Sesotho tone using the Fujisaki model, Proceedings of the 3rd international Symposium on Tonal Aspects of languages (TAL), Nanjing, China, 2012.
          • Kamper, H; de Wet, F; Hain,; Niesler, T.R. Automatic transcription of South African broadcast news. Proceedings of the third International Workshop on Spoken Languages Technologies for Under-resourced Languages (SLTU), Cape Town, 2012. ; ISBN ; 978-1-86822-615-3.
          • 2011

          • Loots, L; Niesler, T.R; Automatic conversion between pronunciations of different English accents. Speech Communication, volume 53, ; no. 1, pp. 75-84, 2011.
          • Kamper, H; Niesler, T.R. Accent reclassification and speech recognition of Afrikaans, Black and White South African English, Proceedings of the twenty-second annual symposium of the Pattern Recognition Association of South Africa (PRASA), Johannesburg, 2011. ISBN 978-0-620-51914-4.
          • de Wet, F; Muller, P; van der Walt, C; Niesler, T.R. Readability index as a design criterion for elicited imitation tasks in automatic oral proficiency assessment. ISCA Workshop on Speech and Language Technology in Education (SLaTE), Venice, Italy, 2011.
          • Mixdorff, H; Mohasi, L; Machobane, M; Niesler, T.R. A Study on the Perception of Tone and Intonation in Sesotho, Proceedings of Interspeech, Florence, Italy, August 2011. ISSN 1990-9772.
          • Kamper, H; Niesler, T.R. Multi-accent speech recognition of Afrikaans, Black and White varieties of South African English, Proceedings of Interspeech, Florence, Italy, August 2011. ISSN 1990-9772.
          • Mohasi, L; ; Mixdorff, H; ; Niesler, T.R. An acoustic analysis of tone in Sesotho, Proceedings of the 17th International Congress of Phonetic Sciences (ICPhS), Hong Kong, 2011
          • 2010

          • de Villiers, H.A.C; Niesler, T.R; van Zijl, L. Balancing Runtime Space- and Time Complexity in Synthetic Database Driven Hand Posture Reconstruction Systems, Proceedings of the twenty-first annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010. ; ISBN 978-0-7992-2470-2.
          • de Wet, F; Muller, P; van der Walt, C; Niesler, T.R. Segmentation and accuracy-based scores for the automatic assessment of oral proficiency for proficient L2 speakers, Proceedings of the twenty-first annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010. ISBN 978-0-7992-2470-2.
          • Goussard, G.W; Niesler, T.R. Automatic discovery of subword units and pronunciations for automatic speech recognition using TIMIT, Proceedings of the twenty-first annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010. ISBN 978-0-7992-2470-2.
          • Kamper, H; Muamba Mukanya, F; ; Niesler, T.R. Acoustic modelling of English-accented and Afrikaans-accented South African English, Proceedings of the twenty-first annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010. ISBN 978-0-7992-2470-2.
          • Loots, L; de Wet, F; Niesler, T.R. Extending an Afrikaans pronunciation dictionary using Dutch resources and P2P/GP2P, Proceedings of the twenty-first annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010. ISBN 978-0-7992-2470-2.
          • Loots, L; Niesler, T.R. Comparing direct G2P with G2P followed by accent conversion when determining pronunciations for South African English, Proceedings of the twenty-first annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010. ISBN 978-0-7992-2470-2.
          • 2009

          • Burchell, J.J; Aldrich, C; Eksteen, J.J; Niesler, T.R; Jemwa, G.T. Acoustic Monitoring of Plasma Arcs in Direct Current Electric Arc Furnaces. Metallurgical and Materials Transactions B, volume 40, issue 6, pp. 886-891, 2009
          • Niesler, T.R; De Wet, F. The effect of code-mixing on accent identification accuracy. Computer Speech and Language, volume 23, pp. 435-443, 2009.
          • De Wet, F; Van der Walt, C; Niesler, T.R. Automatic assessment of oral language proficiency and listening comprehension. Speech Communication, volume 51, pp. 864-874, 2009.
          • Loots, L; Davel, M; Barnard, E; Niesler, T.R. ; Comparing manually-developed and data-driven rules for P2P learning. Proceedings of the Twentieth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2009. ISBN 978-0-7992-2356-9.
          • Kamper, H; Niesler, T.R. Characterisation and simulation of telephone channels using the TIMIT and NTIMIT databases. Proceedings of the Twentieth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2009. ISBN 978-0-7992-2356-9.
          • Loots, L; Niesler, T.R. Data-driven Phonetic Comparison and Conversion between South African, British and American English Pronunciations. Proceedings of Interspeech, Brighton, UK, ; September 2009. ISSN 1990-9772.
          • Muller, P; De Wet, F; van der Walt, C; Niesler, T.R. Automatically assessing the oral proficiency of proficient L2 speakers. Proceedings of the ISCA Workshop on Speech and Language Technology in Education (SLaTE), Warwickshire, UK, 2009.
          • 2008

          • Krige, W; Herbst, T; Niesler, T.R; Explicit transition modelling for automatic singing transcription. Journal of New Music Research, vol. 37, no 4, pp. 311-324, 2008.
          • Van der Walt, C; De Wet, F; Niesler, T.R; Oral proficiency assessment: the use of automatic speech recognition systems. Southern African Linguistics and Applied Language Studies, vol. 26, no 1, pp. 135-146, 2008.
          • De Wet, F; Muller, P; van der Walt, C; ;Niesler, T.R. Experiments in automatic assessment of oral proficiency and listening comprehension for bilingual South African speakers of English. Proceedings of the Nineteenth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Cape Town, South Africa, November 2008. ; ISBN 978-0-7992-2350-7.
          • Niesler, T; de Wet, F; Accent identification in the presence of code-mixing. Proceedeings of the Odyssey 2008 Speaker and Language Recognition Workshop, Stellenbosch, South Africa, January 2008. ISBN 978-0-620-40331-3.
          • 2007

          • Klompje, G; Niesler, T.R; A monophone speech generation system. SAIEE Africa Research Journal, vol 98, no 4, pp. 115-123, 2007.
          • De Wet, F; Louw, P.H; Niesler, T.R; Human and automatic accent identification of Nguni and Sotho Black South African English. South African Journal of Science, vol. 103, no. 3/4, pp. 159-164, 2007.
          • Niesler, T.R; Language-dependent state clustering for multilingual acoustic modelling. Speech Communication, vol. 49, no. 6, pp. 453-463, 2007. (doi:10.1016/j.specom.2007.04.001)
          • De Wet, F; Van der Walt, C; Niesler, T.R; Automatic large-scale oral language proficiency assessment. Proceedings of the eighth annual conference of the International Speech Communication Association (Interspeech), Antwerp, Belgium, August 2007, pp. 218-221. ISSN 1990-9772.
          • 2006

          • De Klerk, V; Adendorff, R; De Vos, M; Hunt, S; Simango, R; Todd, L; Niesler, T; Educated mother-tongue South African English: A corpus approach. Language Matters, vol. 37, No. 2, pp. 206-226, 2006.
          • Burchell, J.J; Eksteen, J.J; Niesler, T.R; Aldrich, C; Development of an acoustic sensor for electric arc furnaces. Chemical Technology, pp. 8-9, December 2006.
          • Duckitt, W.D; Tuomi, S.K; Niesler, T.R; Automatic detection, segmentation and assessment of snoring from ambient acoustic data Physiological Measurement, vol. 27, pp. 1047-1056, 2006.
          • Klompje, G; Niesler, T.R; A parametric monophone speech synthesis system. Proceedings of the seventeenth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Parys, South Africa, November 2006. ;ISBN 0-6203-7384-9.
          • Krige, W.A; Niesler, T.R; An HMM Based Singing Transcription System. Proceedings of the seventeenth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Parys, South Africa, November 2006. ;ISBN 0-6203-7384-9.
          • De Wet, F; Louw, P.H; Niesler, T.R; ; The design, collection and annotation of speech databases in South Africa. Proceedings of the seventeenth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Parys, South Africa, November 2006. ;ISBN 0-6203-7384-9.
          • De Wet, F; Niesler, T.R; Louw, P.H; Nguni and Sotho varieties of South African English - distant cousins or twins? Proceedings of the ISCA Tutorial and Research Workshop (ITRW) on Multilingual Speech and Language Processing (MULTILING-2006), 9-11 April, Stellenbosch, South Africa.
          • Niesler, T.R; Willett, D; Language identification and multilingual speech recognition using discriminatively trained acoustic models. Proceedings of the ISCA Tutorial and Research Workshop (ITRW) on Multilingual Speech and Language Processing (MULTILING-2006), 9-11 April, Stellenbosch, South Africa.
          • Niesler, T.R; Language-dependent state clustering for multilingual speech recognition in Afrikaans, South African English, Xhosa and Zulu. Proceedings of the ISCA Tutorial and Research Workshop (ITRW) on Multilingual Speech and Language Processing (MULTILING-2006), 9-11 April, Stellenbosch, South Africa.
          • 2005

          • Malaza, T; Matins, L; Roux, J.C; Niesler, T.R. Porting an English Spoken Dialogue System to Xhosa and Zulu. South African Journal of African Languages, vol. 25, no. 2, pp. 101-110, 2005.
          • Niesler, T.R; Louw, P.H; Roux, J.C; Phonetic analysis of Afrikaans, English, Xhosa and Zulu using South African speech databases Southern African Linguistics and Applied Language Studies, vol. 23, no 4, pp. 459-474, 2005.
          • Tait, M; Visagie, A; Niesler, T.R; Development of a spoken dialogue system operating in Afrikaans, South African English and Xhosa, Transactions of the SAIEE, vol. 96, no. 3, pp. 224-233, September 2005.
          • Muller, J.J; Niesler, T.R; Development of a USB Telephony Interface Device for Speech Recognition Applications. Proceedings of the Southern African Telecommunications Networks and Applications Conference (SATNAC), Central Drakensberg, KwaZulu-Natal, South Africa, September 2005. ISBN 0-6203-4908-5.
          • 2004

          • Niesler, T.R; Louw, P.H; Comparative phonetic analysis and phoneme recognition for Afrikaans, English and Xhosa using the African Speech Technology telephone speech databases , South African Computer Journal, no. 32, pp. 3-12, June 2004.
          • Roux, J.C; Louw, P.H; Niesler, T.R; The African Speech Technology Project: An Assessment. Proceedings of the fourth international conference on language resources and evaluation (LREC), Lisbon, May 2004, pp. 93-96. ISBN 2-9517-4081-6.
          • 2003

          • Niesler, T.R; Willett, D; Unsupervised adaptation of statistical language models for speech recognition, South African Computer Journal, no. 30, pp. 52-59, July 2003.
          • Willett, D; Niesler, T.R; McDermott, E; Minami, Y; Katagiri, Y; Pervasive unsupervised adaptation for lecture speech transcription. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Hong Kong, March 2003, pp. 292-295. ISBN 0-7803-7664-1.
          • 2002

          • Niesler, T.R; Willett, D; Unsupervised language model adaptation for lecture speech transcription. Proceedings of the Seventh International Conference on Spoken Language Processing (ICSLP), Denver, September 2002, pp. 1413-1416. ISBN 1-8763-4640-X.
          • 2001

          • Niesler, T.R; Roux, J.C; Natural language understanding in the DACST-AST dialogue system. ; Proceedings of the twelfth annual symposium of the Pattern Recognition Association of South Africa (PRASA), Franchhoek, November 2001, pp. 134-136. ISBN 1-8685-4417-6.
          • 1999

          • Niesler, T.R; Woodland, P.C; Variable-length category-based statistical language models, Computer, Speech and Language, vol. 13, pp. 99-124, January 1999.
          • Woodland, P.C; Odell, J.J; Hain, T; Moore, G.L; Niesler,T.R; Tuerk, A; Whittaker, E.W.D. Improvements in accuracy and speed in the HTK Broadcast News transcription system , Proceedings of Eurospeech, Budapest, Hungary, September 1999, pp. 1043-1046. ISSN 1018-4074.
          • Hain, T; Woodland, P.C; Niesler, T.R; Whittaker, E.W.D. The 1998 HTK System for Transcription of Conversational Telephone Speech , Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Phoenix, Arizona, March 1999, pp. 57-60. ISBN 1-8763-4619-1.
          • Woodland, P.C; Hain, T; Moore, G.L; Niesler, T.R; Povey, D; Tuerk, A; Whittaker, E.W.D. The 1998 HTK Broadcast News transcription system: development and results , Proceedings of the 1999 DARPA Broadcast News Workshop, Hendon, Virginia, Feburary 1999, pp. 265-270. ISBN 1-5586-0638-6.
          • 1998

          • Niesler, T.R; Whittaker, E.W.D; Woodland, P.C; Comparison of part-of-speech and automatically derived category-based language models for speech recognition. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Seattle, May 1998, pp. 177-180. ISBN 0-8763-4610-8.
          • Woodland, P.C; Hain, T; Johnson, S.E; Niesler, T.R; Tuerk, A; Young, S.J. Experiments in Broadcast News Transcription , Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Seattle, May 1998, pp. 909-912. ISBN 0-8763-4610-8.
          • Woodland, P.C; Hain, T; Johnson, S.E; Niesler, T.R; Tuerk, A; Whittaker, E.W.D; Young, S.J. ; The 1997 HTK Broadcast News Transcription System , Broadcast News Transcription and Understanding Workshop, Lansdowne, Virginia, February 1998. ISBN 1-5586-0564-9.
          • 1997

          • Niesler, T.R; Woodland, P.C; Modelling word-pair relations in a category-based language model. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Munich, April 1997, pp. 795-798. ;ISBN 0-6463-1303-7.
          • 1996

          • Niesler, T.R; Woodland, P.C; Combination of word-based and category-based language models. Proceedings of the Fourth International Conference on Spoken Language Processing (ICSLP), Philadelphia, October 1996, ;pp. 220-223. ISBN 0-7803-3555-4.
          • Niesler, T.R; Woodland, P.C; A variable-length category-based n-gram language model. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, Atlanta, April 1996, pp. 164-167. ISBN 0-7803-3193-1.
          • 1995

          • Niesler, T.R; Du Plessis, J.J; Time-optimal control by means of neural networks, IEEE Control Systems Magazine, October 1995, pp. 23-33.
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