High accuracy acoustic modeling based on multi-stage decision tree. - DongHwa Kim; Chaojun Liu; Xintian Wu; Yonghong Yan 002 (EUROSPEECH, 1999)

High accuracy acoustic modeling using two-level decision-tree based state-tying. - Chaojun Liu; Xintian Wu; Yonghong Yan 002 (EUROSPEECH, 1999)

Speaker change detection using minimum message length criterion. - Chaojun Liu; Yonghong Yan 002 (INTERSPEECH, 2000)

Robust state clustering using phonetic decision trees. - Chaojun Liu; Yonghong Yan 002 (Speech Commun., 2004)

Large margin HMMs for speech recognition. - Xinwei Li; Hui Jiang 001; Chaojun Liu (ICASSP (5), 2005)

Discriminative Training of CDHMMs for Maximum Relative Separation Margin. - Chaojun Liu; Hui Jiang 001; Xinwei Li (ICASSP (1), 2005)

Recent Improvement on Maximum Relative Margin Estimation of HMMS for Speech Recognition. - Chaojun Liu; Hui Jiang 001; Luca Rigazio (ICASSP (1), 2006)

Large margin hidden Markov models for speech recognition. - Hui Jiang 001; Xinwei Li; Chaojun Liu (IEEE Trans. Speech Audio Process., 2006)

A Feature Space Transformation Method for Personalization using Generalized I-Vector Clustering. - Kaisheng Yao; Yifan Gong 001; Chaojun Liu (INTERSPEECH, 2012)

Predicting speech recognition confidence using deep learning with word identity and score features. - Po-Sen Huang; Kshitiz Kumar; Chaojun Liu; Yifan Gong 001; Li Deng 001 (ICASSP, 2013)

Semi-supervised GMM and DNN acoustic model training with multi-system combination and confidence re-calibration. - Yan Huang 028; Dong Yu 001; Yifan Gong 001; Chaojun Liu (INTERSPEECH, 2013)

A comparative analytic study on the Gaussian mixture and context dependent deep neural network hidden Markov models. - Yan Huang 028; Dong Yu 001; Chaojun Liu; Yifan Gong 001 (INTERSPEECH, 2014)

Multi-accent deep neural network acoustic model with accent-specific top layer using the KLD-regularized model adaptation. - Yan Huang 028; Dong Yu 001; Chaojun Liu; Yifan Gong 001 (INTERSPEECH, 2014)

Normalization of ASR confidence classifier scores via confidence mapping. - Kshitiz Kumar; Chaojun Liu; Yifan Gong 001 (INTERSPEECH, 2014)

Estimating confidence scores on ASR results using recurrent neural networks. - Kaustubh Kalgaonkar; Chaojun Liu; Yifan Gong 001; Kaisheng Yao (ICASSP, 2015)

Deep neural support vector machines for speech recognition. - Shi-Xiong Zhang 001; Chaojun Liu; Kaisheng Yao; Yifan Gong 001 (ICASSP, 2015)

Confidence-features and confidence-scores for ASR applications in arbitration and DNN speaker adaptation. - Kshitiz Kumar; Ziad Al Bawab; Yong Zhao 008; Chaojun Liu; Benoît Dumoulin; Yifan Gong 001 (INTERSPEECH, 2015)

Delta-melspectra features for noise robustness to DNN-based ASR systems. - Kshitiz Kumar; Chaojun Liu; Yifan Gong 001 (INTERSPEECH, 2015)

Intermediate-layer DNN adaptation for offline and session-based iterative speaker adaptation. - Kshitiz Kumar; Chaojun Liu; Kaisheng Yao; Yifan Gong 001 (INTERSPEECH, 2015)

Non-negative intermediate-layer DNN adaptation for a 10-KB speaker adaptation profile. - Kshitiz Kumar; Chaojun Liu; Yifan Gong 001 (ICASSP, 2016)

Investigations on speaker adaptation of LSTM RNN models for speech recognition. - Chaojun Liu; Yongqiang Wang; Kshitiz Kumar; Yifan Gong 001 (ICASSP, 2016)

Geo-location dependent deep neural network acoustic model for speech recognition. - Guoli Ye; Chaojun Liu; Yifan Gong 001 (ICASSP, 2016)

Recurrent support vector machines for speech recognition. - Shi-Xiong Zhang 001; Rui Zhao 017; Chaojun Liu; Jinyu Li 001; Yifan Gong 001 (ICASSP, 2016)

A Dual-Linear Kalman Filter for Real-Time Orientation Determination System Using Low-Cost MEMS Sensors. - Shengzhi Zhang; Shuai Yu; Chaojun Liu; Xuebing Yuan; Sheng Liu (Sensors, 2016)

Challenges in and Solutions to Deep Learning Network Acoustic Modeling in Speech Recognition Products at Microsoft. - Yifan Gong 001; Yan Huang 028; Kshitiz Kumar; Jinyu Li 001; Chaojun Liu; Guoli Ye; Shi-Xiong Zhang 001; Yong Zhao 008; Rui Zhao 017 (New Era for Robust Speech Recognition, Exploiting Deep Learning, 2017)

1-D Row-Convolution LSTM: Fast Streaming ASR at Accuracy Parity with LC-BLSTM. - Kshitiz Kumar; Chaojun Liu; Yifan Gong 001; Jian Wu 027 (INTERSPEECH, 2020)