Y. Ephraim

11.4k citations

87 papers · 8.1k indexed · 4 hit papers · h-index 25

Impact in

Signal Processing top 0.01%
- Speech and Audio Processing
- Music and Audio Processing
- Blind Source Separation Techniques
Computational Mechanics top 0.05%
- Advanced Adaptive Filtering Techniques

Papers in

Signal Processing 57
- Speech and Audio Processing 42
- Blind Source Separation Techniques 24
- Direction-of-Arrival Estimation Techniques 16
Management Information Systems 15
- Advanced Queuing Theory Analysis 15

Co-authors: D. Malah Harry L. Van Trees Neri Merhav Kristine L. Bell Brian L. Mark William J. Roberts H. Lev-Ari B.-H. Juang
Journals: IEEE Transactions on Signal Processing (11 papers)IEEE Transactions on Information Theory (8 papers)IEEE Signal Processing Letters (4 papers)IEEE Transactions on Wireless Communications (3 papers)IEEE Transactions on Speech and Audio Processing (3 papers)
Partner nations: United States Israel Australia

In The Last Decade

Y. Ephraim

85 papers receiving 7.5k citations

Hit Papers

align trajectories log scale

Hidden Markov processes 2002 · 503 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2002 IEEE Transactions on Information Theory
1995 IEEE Transactions on Speech and Audio Processing
1985 IEEE Transactions on Acoustics Speech and Signal Processing
1984 IEEE Transactions on Acoustics Speech and Signal Processing

Peers

Countries citing papers authored by Y. Ephraim

Since Specialization

Citations

This map shows the geographic impact of Y. Ephraim's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Y. Ephraim with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Y. Ephraim more than expected).

Fields of papers citing papers by Y. Ephraim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Y. Ephraim. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Y. Ephraim. The network helps show where Y. Ephraim may publish in the future.

Co-authorship network

The 18 scholars most cited alongside Y. Ephraim, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Y. Ephraim Line = papers co-authored together Y. Ephraim links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Traffic Workload Envelope for Network Performance Guarantees with Multiplexing Gain GLOBECOM 2022 - 2022 IEEE Global Communications Conference ·Maniyammai Kumaresen, Brian L. Mark, Y. Ephraim	2022	0
2	Traffic rate network tomography with higher‐order cumulants Networks ·H. Lev-Ari, Y. Ephraim, Brian L. Mark	2022	1
3	Tail-Limited Phase-Type Burstiness Bounds for Network Traffic Maniyammai Kumaresen, Brian L. Mark, Y. Ephraim	2019	5
4	Collaborative Spectrum Sensing Based on Hidden Bivariate Markov Models Anne Y. Feng, Brian L. Mark, Y. Ephraim	2015	2
5	Explicit Causal Recursive Estimators for Continuous-Time Bivariate Markov Chains IEEE Transactions on Signal Processing ·Brian L. Mark, Y. Ephraim	2014	9
6	Hidden Markov process based dynamic spectrum access for cognitive radio Chiara Mariottini, Brian L. Mark, Y. Ephraim	2011	18
7	On modeling network congestion using continuous-time bivariate Markov chains Brian L. Mark, Y. Ephraim	2011	2
8	Speech enhancement using the multistage Wiener filter Mehdi Heidarisaani, Y. Ephraim	2009	4
9	An EM Algorithm for Markov Modulated Markov Processes IEEE Transactions on Signal Processing ·Y. Ephraim, William J. Roberts	2008	24
10	On Ryde/spl acute/n's EM algorithm for estimating MMPPs IEEE Signal Processing Letters ·William J. Roberts, Y. Ephraim, Kai Lin Lin	2006	32
11	Speech enhancement based upon hidden Markov modeling International Conference on Acoustics, Speech, and Signal Processing ·Y. Ephraim, D. Malah, B.-H. Juang	2003	2
12	Estimation of hidden Markov model parameters by minimizing empirical error rate International Conference on Acoustics, Speech, and Signal Processing ·Andrej Ljolje, Y. Ephraim, L. R. Rabiner	2002	15
13	A spectrally-based signal subspace approach for speech enhancement Y. Ephraim, Harry L. Van Trees	2002	5
14	Ground Vehicle Classification Using Hidden Markov Models Defense Technical Information Center (DTIC) ·(unknown), 李生兰, Y. Ephraim	2001	7
15	A signal subspace approach for speech enhancement IEEE International Conference on Acoustics Speech and Signal Processing ·Y. Ephraim, Harry L. Van Trees	1993	63
16	On minimum mean square error speech enhancement Y. Ephraim	1991	6
17	On nonstationary hidden Markov modeling of speech signals António Serralheiro, Y. Ephraim, Lawrence R. Rabiner	1989	3
18	Asymptotic minimum discrimination information measure for asymptotically weakly stationary processes IEEE Transactions on Information Theory ·Y. Ephraim, H. Lev-Ari, Robert M. Gray	1988	12
19	Combined enhancement and adaptive transform coding of noisy speech IEE Proceedings F Communications, Radar and Signal Processing ·Y. Ephraim, D. Malah	1986	1
20	On the Estimation of the Short-Time Phase in Speech Enhancement Systems. International Conference on Communications ·Y. Ephraim, D. Malah	1984	1

About Y. Ephraim

Y. Ephraim is a scholar working on Signal Processing, Management Information Systems, Computational Mechanics, Statistics and Probability and Computer Networks and Communications, having authored 87 papers that have together received 8.1k indexed citations. Recurring topics across this work include Speech and Audio Processing (42 papers), Blind Source Separation Techniques (24 papers), Advanced Adaptive Filtering Techniques (22 papers), Direction-of-Arrival Estimation Techniques (16 papers), Speech Recognition and Synthesis (16 papers), Advanced Queuing Theory Analysis (15 papers), Bayesian Methods and Mixture Models (12 papers) and Distributed Sensor Networks and Detection Algorithms (11 papers). The work is most often cited by research in Signal Processing (6.9k citations), Computational Mechanics (4.4k citations), Artificial Intelligence (2.5k citations), Cognitive Neuroscience (1.3k citations) and Computer Vision and Pattern Recognition (718 citations). Y. Ephraim has collaborated with scholars based in United States, Israel and Australia. Frequent co-authors include D. Malah, Harry L. Van Trees, Neri Merhav, Kristine L. Bell, Brian L. Mark, William J. Roberts, H. Lev-Ari, B.-H. Juang, L. R. Rabiner and Yossef Steinberg. Their work appears in journals such as IEEE Transactions on Signal Processing, IEEE Transactions on Information Theory, IEEE Signal Processing Letters, IEEE Transactions on Wireless Communications and IEEE Transactions on Speech and Audio Processing.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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