Reversal of Thermal Rectification in Quantum Systems (2009)
Zhang, Lifa, Yan, Yonghong, Wu, Chang-Qin, Wang, Jian-Sheng, Li, Baowen
We study thermal transport in anisotropic Heisenberg spin chains using the quantum master equation. It is found that thermal rectification changes sign when the external homogeneous magnetic field is...
Workflow Support in a GRACCE Metascheduling Architecture (2009)
Yonghong Yan, Barbara M. Chapman
Modeling a complex application in grid environments concerns about how to describe application modules, data sets and module relationships so that an application can be seamlessly integrated with...
A Feature-Rich Workflow Description Language that Supports Resource Co-allocations (2009)
Yonghong Yan, Barbara M. Chapman
Abstract. A very important topic in the effort of deploying workflow applications
Distributed Resource Management Systems (D-RMS) control the usage of hard resources, such as CPU cycles, memory, disk space and network bandwidth, in high-performance parallel computing systems....
Abstract Adaptive Execution Framework for Air Quality Modeling Application (2008)
Priya Raghunath, Yonghong Yan, Barbara Chapman, Jiwen He
Time critical applications must be able to execute efficiently in a grid environment with changing dynamics. Moreover, it should be able to adapt to changes both in the grid environment and in its...
Support for Specification and Scheduling of Workflow Applications on the Grid (2008)
Yonghong Yan, Barbara M. Chapman
Large-scale applications are increasingly composed of a number of different components, which may interact in complex ways at run time. Such applications may consume substantial resources and are...
SINGING MELODY EXTRACTION IN POLYPHONIC MUSIC BY HARMONIC TRACKING (2008)
Chuan Cao, Ming Li, Jian Liu, Yonghong Yan
This paper proposes an effective method for automatic melody extraction in polyphonic music, especially vocal melody songs. The method is based on subharmonic summation spectrum and harmonic...
A Top-down Approach to Melody Match in Pitch Contour for Query by Humming ⋆ (2008)
Xiao Wu, Ming Li, Jian Liu, Jun Yang, Yonghong Yan
Abstract. In this paper, a novel frame-based algorithm called recursive alignment(RA) for query-by-humming(QBH) application is presented. Compared with other approaches, RA optimizes melody alignment...
Control of heat transport in quantum spin systems (2008)
Yan, Yonghong, Wu, Chang-Qin, Li, Baowen
We study heat transport in quantum spin systems analytically and numerically. First, we demonstrate that heat current through a two-level quantum spin system can be modulated from zero to a finite...
A Dyanamic Cross-Reference Pruning Strategy For (2008)
Multiple Feature Fusion, Yonghong Yan, Chengyi Zheng, Jianping Zhang, Jielin Pan, Jiang Han, ...
Although multiple cues, such as different signal processing techniques and feature representations, have been used in speech recognition in adverse acoustic environment, how to maximally utilize the...
Using SVM as Back-End Classifier for Language Identification (2008)
Hongbin Suo, Ming Li, Ping Lu, Yonghong Yan
Robust automatic language identification (LID) is a task of identifying the language from a short utterance spoken by an unknown speaker. One of the mainstream approaches named parallel phone...
YANG, Lin, ZHANG, Jianping, SHAO, Jian, YAN, Yonghong
This letter evaluates the relative contributions of temporal fine structure cues in various frequency bands to Mandarin tone perception using novel “auditory chimaeras”. Our results confirm the...
GE, Fengpei, LIU, Changliang, SHAO, Jian, PAN, Fuping, DONG, Bin, YAN, Yonghong
In this paper we present our investigation into improving the performance of our computer-assisted language learning (CALL) system through exploiting the acoustic model and features within the speech...
Melody Track Selection Using Discriminative Language Model (2008)
WU, Xiao, LI, Ming, SUO, Hongbin, YAN, Yonghong
In this letter we focus on the task of selecting the melody track from a polyphonic MIDI file. Based on the intuition that music and language are similar in many aspects, we solve the selection...
Using SVM as Back-End Classifier for Language Identification (2008)
Hongbin Suo, Ming Li, Ping Lu, Yonghong Yan
Robust automatic language identification (LID) is a task of identifying the language from a short utterance spoken by an unknown speaker. One of the mainstream approaches named parallel phone...
ZHANG, Qingqing, PAN, Jielin, LIN, Yang, SHAO, Jian, YAN, Yonghong
In recent decades, there has been a great deal of research into the problem of bilingual speech recognition – to develop a recognizer that can handle inter- and intra-sentential language switching...
A One-Pass Real-Time Decoder Using Memory-Efficient State Network (2008)
SHAO, Jian, LI, Ta, ZHANG, Qingqing, ZHAO, Qingwei, YAN, Yonghong
This paper presents our developed decoder which adopts the idea of statically optimizing part of the knowledge sources while handling the others dynamically. The lexicon, phonetic contexts and...
Automatic Language Identification with Discriminative Language Characterization Based on SVM (2008)
SUO, Hongbin, LI, Ming, LU, Ping, YAN, Yonghong
Robust automatic language identification (LID) is the task of identifying the language from a short utterance spoken by an unknown speaker. The mainstream approaches include parallel phone...
Robust Speaker Clustering Using Affinity Propagation (2008)
ZHANG, Xiang, LU, Ping, SUO, Hongbin, ZHAO, Qingwei, YAN, Yonghong
In this letter, a recently proposed clustering algorithm named affinity propagation is introduced for the task of speaker clustering. This novel algorithm exhibits fast execution speed and finds...
Speech Enhancement Using Improved Adaptive Null-Forming in Frequency Domain with Postfilter (2008)
ZHANG, Heng, FU, Qiang, YAN, Yonghong
In this letter, a two channel frequency domain speech enhancement algorithm is proposed. The algorithm is designed to achieve better overall performance with relatively small array size. An improved...
DEVELOPMENT OF CSLU LVCSR: THE 1997 DARPA HUB4 EVALUATION SYSTEM (2007)
Yonghong Yan, Xintian Wu, Johan Schalkwyk, Ron Cole
This paper presents the CSLU Broadcast News transcription system used in the DARPA 1997 evaluation. The system was built using the softwares developed for the CSLU LVCSR project started in January...
Yonghong Yan Xintian Wu Johan Schalkwyk Ron Cole (2007)
Center For, Yonghong Yan, Xintian Wu, Johan Schalkwyk, Ron Cole
This paper presents the CSLU Broadcast News transcription system used in the DARPA 1997 evaluation. The system was built using the softwares developed for the CSLU LVCSR project started in January...
A Comparison Of HMM And Neural Network Approaches To Real World Telephone Speech Applications (2007)
Pieter Vermeulen, Etienne Barnard, Yonghong Yan, Mark Fanty, Ronald Coley
We compare a standard HMM based and a neural network based approach to speech recognition. The application is the speaker independent recognition of a small vocabulary over the telephone. While the...
FUSION BASED SPEECH SEGMENTATION IN DARPA SPINE2 TASK (2007)
We report a new fusion based segmentation approach using multiple filter bank coefficients. This approach takes advantage of current feature extraction procedure, with little additional computation...
DEVELOPMENT OF CSLU LVCSR: THE 1997 DARPA HUB4 EVALUATION SYSTEM (2007)
Yonghong Yan, Xintian Wu, Johan Schalkwyk, Ron Cole
This paper presents the CSLU Broadcast News transcription system used in the DARPA 1997 evaluation. The system was built using the softwares developed for the CSLU LVCSR project started in January...
Improving Speaker Adaptation by Adjusting the Adaptation Data Set (2007)
Transformation based speaker adaptation techniques, such as Maximum Likelihood Linear Regression (MLLR) require a large amount of adaptation data to robustly estimate the transform matrices. In this...
Improving Speaker Adaptation by Adjusting the Adaptation Data Set (2007)
Transformation based speaker adaptation techniques, such as Maximum Likelihood Linear Regression (MLLR) require a large amount of adaptation data to robustly estimate the transform matrices. In this...
Campus Grids Meet Applications: Modeling, Metascheduling and Integration (2006)
Yonghong Yan, Barbara M. Chapman
Air Quality Forecasting (AQF) is a new discipline that attempts to reliably predict atmospheric pollution. An AQF application has complex workflows and in order to produce timely and reliable...
Air Quality Forecasting on Campus Grid Environment (2005)
Yonghong Yan, Barbara M. Chapman, Babu Sundaram
Air Quality Forecasting (AQF) is a new discipline that attempts to reliably predict atmospheric pollution. The application has complex workflow and in order to produce timely and reliable forecast...
Numerical study of a capillary pumped two-phase systems /--Yonghong Yan. (2000)
Thesis (Ph. D.)--Clemson University, 2000.
Xintian Wu, Chaojun Liu, Yonghong Yan, Doughwa Kim, Seth Cameron (fonix, Y Parr (fonix
This paper describes the OGI-FONIX large vocabulary system developed for the 1998 broadcast news evaluation. The main differences from our last year’s system [1] are: (1) A multiple pass decoder is...
Xintian Wu, Chaojun Liu, Yonghong Yan, Doughwa Kim, Seth Cameron (fonix, Y Parr (fonix
This paper describes the OGI-FONIX large vocabulary system developed for the 1998 broadcast news evaluation. The main differences from our last year's system [1] are: (1) A multiple pass decoder...
High Accuracy Acoustic Modeling Using Two-Level Decision-Tree Based State-Tying (1999)
Chaojun Liu, Xintian Wu, Yonghong Yan
Phonetic decision-tree based acoustic modeling has been widely used in speech recognition systems. However, the assumption that all states clustered in the same leaf node share both their Gaussians...
Universal Speech Tools: The Cslu Toolkit (1998)
Stephen Sutton, Ronald Cole, Jacques De Villiers, Johan Schalkwyk, Pieter Vermeulen, Mike Macon, ...
A set of freely available, universal speech tools is needed to accelerate progress in the speech technology. The CSLU Toolkit represents an effort to make the core technology and fundamental...
Universal speech tools: The CSLU toolkit (1998)
Stephen Sutton, Ronald Cole, Jacques De Villiers, Johan Schalkwyk, Pieter Vermeulen, Mike Macon, ...
A set of freely available, universal speech tools is needed to accelerate progress in the speech technology. The CSLU Toolkit represents an effort to make the core technology and fundamental...
T.Bailey. The Contribution of Consonants versus Vowels to Word Recognition in Fluent Speech (1996)
Ronald A. Cole, Yonghong Yan, Brian Mak, Mark Fanty, Troy Bailey
Three perceptual experiments were conducted to test the relative importance of vowels vs. consonants to recognition of fluent speech. Sentences were selected from the TIMIT corpus to obtain...
Experiments For An Approach To Language Identification With Conversational Telephone Speech (1996)
This paper presents our recent work on language identification research using conversational speech (the LDC Conversational Telephone Speech Database). The baseline system used in this study was...
Yonghong Yan, P. R. China, Etienne Barnard, Pieter Vermeulen
xii 1 Introduction 1 1.1 Background : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 2 1.1.1 Nature of the Problem : : : : : : : : : : : : : : : : : : : : : : : : : : 2 1.1.2...
The goal for language identification (LID) is to quickly and accurately identify the language being spoken in a given test utterance. Recent researches has shown the importance of acoustic,...