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StarGAN-ZSVC: Towards Zero-Shot Voice Conversion in Low-Resource Contexts


May 31, 2021
Matthew Baas, Herman Kamper

* In: Springer Communications in Computer and Information Science, Artificial Intelligence Research (SACAIR 2021), vol. 1342, pp. 69-84, 2020 
* 16 pages, 3 figures. Published in Springer Communications in Computer and Information Science, Artificial Intelligence Research (SACAIR 2021), vol. 1342, pp. 69-84, 2020 

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Acoustic word embeddings for zero-resource languages using self-supervised contrastive learning and multilingual adaptation


Mar 19, 2021
Christiaan Jacobs, Yevgen Matusevych, Herman Kamper

* Accepted to SLT 2021 

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A phonetic model of non-native spoken word processing


Jan 27, 2021
Yevgen Matusevych, Herman Kamper, Thomas Schatz, Naomi H. Feldman, Sharon Goldwater

* Accepted for publication in Proceedings of EACL-2021. 11 pages, 5 figures, 2 tables 

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Towards unsupervised phone and word segmentation using self-supervised vector-quantized neural networks


Dec 14, 2020
Herman Kamper, Benjamin van Niekerk

* 5 pages, 3 figures, 5 tables 

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Towards localisation of keywords in speech using weak supervision


Dec 14, 2020
Kayode Olaleye, Benjamin van Niekerk, Herman Kamper

* Accepted to NeurIPS-SAS 

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A comparison of self-supervised speech representations as input features for unsupervised acoustic word embeddings


Dec 14, 2020
Lisa van Staden, Herman Kamper

* Accepted to SLT 2021 

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Direct multimodal few-shot learning of speech and images


Dec 10, 2020
Leanne Nortje, Herman Kamper

* 3 figures, 2 tables 

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A Correspondence Variational Autoencoder for Unsupervised Acoustic Word Embeddings


Dec 03, 2020
Puyuan Peng, Herman Kamper, Karen Livescu

* 10 pages, 6 figures, NeurIPS 2020 Workshop Self-Supervised Learning for Speech and Audio Processing 

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Participatory Research for Low-resourced Machine Translation: A Case Study in African Languages


Oct 05, 2020
Wilhelmina Nekoto, Vukosi Marivate, Tshinondiwa Matsila, Timi Fasubaa, Tajudeen Kolawole, Taiwo Fagbohungbe, Solomon Oluwole Akinola, Shamsuddee Hassan Muhammad, Salomon Kabongo, Salomey Osei, Sackey Freshia, Rubungo Andre Niyongabo, Ricky Macharm, Perez Ogayo, Orevaoghene Ahia, Musie Meressa, Mofe Adeyemi, Masabata Mokgesi-Selinga, Lawrence Okegbemi, Laura Jane Martinus, Kolawole Tajudeen, Kevin Degila, Kelechi Ogueji, Kathleen Siminyu, Julia Kreutzer, Jason Webster, Jamiil Toure Ali, Jade Abbott, Iroro Orife, Ignatius Ezeani, Idris Abdulkabir Dangana, Herman Kamper, Hady Elsahar, Goodness Duru, Ghollah Kioko, Espoir Murhabazi, Elan van Biljon, Daniel Whitenack, Christopher Onyefuluchi, Chris Emezue, Bonaventure Dossou, Blessing Sibanda, Blessing Itoro Bassey, Ayodele Olabiyi, Arshath Ramkilowan, Alp Öktem, Adewale Akinfaderin, Abdallah Bashir

* Findings of EMNLP 2020 

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Unsupervised vs. transfer learning for multimodal one-shot matching of speech and images


Aug 14, 2020
Leanne Nortje, Herman Kamper

* Accepted at Interspeech 2020 

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Evaluating computational models of infant phonetic learning across languages


Aug 06, 2020
Yevgen Matusevych, Thomas Schatz, Herman Kamper, Naomi H. Feldman, Sharon Goldwater

* 2020. In S. Denison, M. Mack, Y. Xu, and B. Armstrong (Eds.), Proceedings of the 42nd Annual Conference of the Cognitive Science Society (pp. 571-577). Austin, TX: Cognitive Science Society 
* 7 pages, 1 figure 

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Improved acoustic word embeddings for zero-resource languages using multilingual transfer


Jun 02, 2020
Herman Kamper, Yevgen Matusevych, Sharon Goldwater

* 11 pages, 7 figures, 8 tables. arXiv admin note: text overlap with arXiv:2002.02109 

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Vector-quantized neural networks for acoustic unit discovery in the ZeroSpeech 2020 challenge


May 19, 2020
Benjamin van Niekerk, Leanne Nortje, Herman Kamper

* 5 pages, 3 figures, 2 tables 

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Analyzing autoencoder-based acoustic word embeddings


Apr 03, 2020
Yevgen Matusevych, Herman Kamper, Sharon Goldwater

* 6 pages, 7 figures, accepted to BAICS workshop (ICLR2020) 

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Unsupervised feature learning for speech using correspondence and Siamese networks


Mar 28, 2020
Petri-Johan Last, Herman A. Engelbrecht, Herman Kamper

* IEEE Signal Processing Letters 27 (2020) 421-425 
* 5 pages, 3 figures, 2 tables; accepted to the IEEE Signal Processing Letters, (c) 2020 IEEE 

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Masakhane -- Machine Translation For Africa


Mar 13, 2020
Iroro Orife, Julia Kreutzer, Blessing Sibanda, Daniel Whitenack, Kathleen Siminyu, Laura Martinus, Jamiil Toure Ali, Jade Abbott, Vukosi Marivate, Salomon Kabongo, Musie Meressa, Espoir Murhabazi, Orevaoghene Ahia, Elan van Biljon, Arshath Ramkilowan, Adewale Akinfaderin, Alp Öktem, Wole Akin, Ghollah Kioko, Kevin Degila, Herman Kamper, Bonaventure Dossou, Chris Emezue, Kelechi Ogueji, Abdallah Bashir

* Accepted for the AfricaNLP Workshop, ICLR 2020 

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Multilingual acoustic word embedding models for processing zero-resource languages


Feb 21, 2020
Herman Kamper, Yevgen Matusevych, Sharon Goldwater

* 5 pages, 4 figures, 1 table; accepted to ICASSP 2020. arXiv admin note: text overlap with arXiv:1811.00403 

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Deep motion estimation for parallel inter-frame prediction in video compression


Dec 11, 2019
André Nortje, Herman A. Engelbrecht, Herman Kamper

* 25 pages, 11 figures, 5 tables 

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BINet: a binary inpainting network for deep patch-based image compression


Dec 11, 2019
André Nortje, Willie Brink, Herman A. Engelbrecht, Herman Kamper

* 19 pages, 16 figures, 3 tables 

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If dropout limits trainable depth, does critical initialisation still matter? A large-scale statistical analysis on ReLU networks


Oct 13, 2019
Arnu Pretorius, Elan van Biljon, Benjamin van Niekerk, Ryan Eloff, Matthew Reynard, Steve James, Benjamin Rosman, Herman Kamper, Steve Kroon

* 8 pages, 6 figures, preliminary work 

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On the expected behaviour of noise regularised deep neural networks as Gaussian processes


Oct 12, 2019
Arnu Pretorius, Herman Kamper, Steve Kroon

* 8 pages, 6 figures, preliminary work 

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Classifying topics in speech when all you have is crummy translations


Aug 29, 2019
Sameer Bansal, Herman Kamper, Adam Lopez, Sharon Goldwater


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On the Contributions of Visual and Textual Supervision in Low-resource Semantic Speech Retrieval


Apr 24, 2019
Ankita Pasad, Bowen Shi, Herman Kamper, Karen Livescu


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Unsupervised acoustic unit discovery for speech synthesis using discrete latent-variable neural networks


Apr 16, 2019
Ryan Eloff, André Nortje, Benjamin van Niekerk, Avashna Govender, Leanne Nortje, Arnu Pretorius, Elan van Biljon, Ewald van der Westhuizen, Lisa van Staden, Herman Kamper

* 5 pages, 2 figures, 2 tables 

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Semantic query-by-example speech search using visual grounding


Apr 15, 2019
Herman Kamper, Aristotelis Anastassiou, Karen Livescu

* Accepted to ICASSP 2019 

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Almost Zero-Resource ASR-free Keyword Spotting using Multilingual Bottleneck Features and Correspondence Autoencoders


Nov 14, 2018
Raghav Menon, Herman Kamper, John Quinn, Thomas Niesler

* 5 pages, 2 figures, 2 tables, Submitted to ICASSP 2019 

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Multimodal One-Shot Learning of Speech and Images


Nov 09, 2018
Ryan Eloff, Herman A. Engelbrecht, Herman Kamper

* 5 pages, 1 figure, 3 tables 

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Multilingual and Unsupervised Subword Modeling for Zero-Resource Languages


Nov 09, 2018
Enno Hermann, Herman Kamper, Sharon Goldwater

* 11 pages, 5 figures, 7 tables. This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible. arXiv admin note: substantial text overlap with arXiv:1803.08863 

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Truly unsupervised acoustic word embeddings using weak top-down constraints in encoder-decoder models


Nov 01, 2018
Herman Kamper

* 5 pages, 3 figures, 2 tables 

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