Ronald W. Schafer

Publication Activity (10 Years)

Years Active: 1970-2016
Publications (10 Years): 3

Top Venues

SP/SPE

CoRR

ICASSP

INTERSPEECH

Publications

Eunjoon Cho, Bowon Lee, Ronald W. Schafer, Bernard Widrow
Single Channel Speech Enhancement Using Outlier Detection. CoRR (2016)
Prateek Verma, Ronald W. Schafer
Frequency Estimation from Waveforms Using Multi-Layered Neural Networks. INTERSPEECH (2016)
Fernando A. Mujica, William J. Esposito, Alex Gonzalez, Charles R. Qi, Chris Vassos, Maisy Wieman, Reggie Wilcox, Gregory T. A. Kovacs, Ronald W. Schafer
Teaching digital signal processing with Stanford's Lab-in-a-Box. SP/SPE (2015)
Lawrence R. Rabiner, Ronald W. Schafer
Matlab exercises in support of teaching digital speech processing. ICASSP (2014)
Leonardo O. Nunes, Wallace Alves Martins, Markus V. S. Lima, Luiz W. P. Biscainho, Bowon Lee, Amir Said, Ronald W. Schafer
Discriminability Measure for Microphone Array Source Localization. IWAENC (2012)
Leonardo O. Nunes, Flávio R. Avila, Alan Freihof Tygel, Luiz W. P. Biscainho, Bowon Lee, Amir Said, Ronald W. Schafer
A Parametric Objective Quality Assessment Tool for Speech Signals Degraded by Acoustic Echo. IEEE Trans. Speech Audio Process. 20 (8) (2012)
Amaro A. de Lima, Thiago de M. Prego, Sergio L. Netto, Bowon Lee, Amir Said, Ronald W. Schafer, Ton Kalker, Majid Fozunbal
On the quality-assessment of reverberated speech. Speech Commun. 54 (3) (2012)
Jason Wung, Ted S. Wada, Biing-Hwang Juang, Bowon Lee, Ton Kalker, Ronald W. Schafer
A system approach to residual echo suppression in robust hands-free teleconferencing. ICASSP (2011)
Leonardo O. Nunes, Luiz W. P. Biscainho, Bowon Lee, Amir Said, Ton Kalker, Ronald W. Schafer
Degradation Type Classifier for Full Band Speech Contaminated With Echo, Broadband Noise, and Reverberation. IEEE ACM Trans. Audio Speech Lang. Process. 19 (8) (2011)
Ronald W. Schafer
What Is a Savitzky-Golay Filter? [Lecture Notes]. IEEE Signal Process. Mag. 28 (4) (2011)
Jason Wung, Ted S. Wada, Biing-Hwang Juang, Bowon Lee, Mitchell D. Trott, Ronald W. Schafer
A system approach to acoustic echo cancellation in robust hands-free teleconferencing. WASPAA (2011)
Bowon Lee, Ton Kalker, Ronald W. Schafer
Correlogram template matching for time-delay estimation. ICASSP (2011)
Luiz W. P. Biscainho, Paulo A. A. Esquef, Fabio P. Freeland, Leonardo O. Nunes, Alan Freihof Tygel, Bowon Lee, Amir Said, Ton Kalker, Ronald W. Schafer
An objective method for quality assessment of ultra-wideband speech corrupted by echo. MMSP (2009)
Paulo A. A. Esquef, Luiz W. P. Biscainho, Leonardo O. Nunes, Bowon Lee, Amir Said, Ton Kalker, Ronald W. Schafer
Quality assessment of audio: Increasing applicability scope of objective methods via prior identification of impairment types. MMSP (2009)
Amaro A. de Lima, Thiago de M. Prego, Sergio L. Netto, Bowon Lee, Amir Said, Ronald W. Schafer, Ton Kalker, Majid Fozunbal
Feature analysis for quality assessment of reverberated speech. MMSP (2009)
Amaro A. de Lima, Fabio P. Freeland, Rafael A. de Jesus, Bruno C. Bispo, Luiz W. P. Biscainho, Sergio L. Netto, Amir Said, Antonius A. C. M. Kalker, Ronald W. Schafer, Bowon Lee, Mehrban Jam
On the quality assessment of sound signals. ISCAS (2008)
Amaro A. de Lima, Sergio L. Netto, Luiz W. P. Biscainho, Fabio P. Freeland, Bruno C. Bispo, Rafael A. de Jesus, Ronald W. Schafer, Amir Said, Bowon Lee, Ton Kalker
Quality Evaluation of Reverberation in Audioband Speech Signals. ICETE (Selected Papers) (2008)
Amaro A. de Lima, Fabio P. Freeland, Paulo A. A. Esquef, Luiz W. P. Biscainho, Bruno C. Bispo, Rafael A. de Jesus, Sergio L. Netto, Ronald W. Schafer, Amir Said, Bowon Lee, Antonius A. C. M. Kalker
Reverberation Assessment in Audioband Speech Signals for Telepresence Systems. SIGMAP (2008)
Amer Abufadel, Tony Yezzi, Ronald W. Schafer
4D segmentation of cardiac data using active surfaces with spatiotemporal shape priors. Computational Imaging (2007)
Amir Said, Ton Kalker, Ronald W. Schafer
Phase-Domain Statistical Analysis for Audio Source Localization. MMSP (2007)
Lawrence R. Rabiner, Ronald W. Schafer
Introduction to Digital Speech Processing. Found. Trends Signal Process. 1 (1/2) (2007)
Majid Fozunbal, Mat C. Hans, Ronald W. Schafer
System Identification with Unbounded Loss Functions Under Algorithmic Deficiency. ICASSP (5) (2006)
Faramarz Fekri, Steven W. McLaughlin, Russell M. Mersereau, Ronald W. Schafer
Block error correcting codes using finite-field wavelet transforms. IEEE Trans. Signal Process. 54 (3) (2006)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
Capacity Analysis for Continuous Alphabet Channels With Side Information, Part II: MIMO Channels. IEEE Trans. Inf. Theory 51 (9) (2005)
Faramarz Fekri, Mina Sartipi, Russell M. Mersereau, Ronald W. Schafer
Convolutional codes using finite-field wavelets: time-varying codes and more. IEEE Trans. Signal Process. 53 (5) (2005)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
Capacity Analysis for Continuous-Alphabet Channels With Side Information, Part I: A General Framework. IEEE Trans. Inf. Theory 51 (9) (2005)
Bahadir K. Gunturk, John William Glotzbach, Yucel Altunbasak, Ronald W. Schafer, Russell M. Mersereau
Demosaicking: color filter array interpolation. IEEE Signal Process. Mag. 22 (1) (2005)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
On space-time-frequency coding over MIMO-OFDM systems. IEEE Trans. Wirel. Commun. 4 (1) (2005)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
The uniqueness of the capacity-achieving distribution over noncoherent flat-fading channels. ISIT (2004)
Gregory G. Slabaugh, W. Bruce Culbertson, Thomas Malzbender, Mark R. Stevens, Ronald W. Schafer
Methods for Volumetric Reconstruction of Visual Scenes. Int. J. Comput. Vis. 57 (3) (2004)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
On performance limits of MIMO-OFDM systems over block-fading channels. WCNC (2004)
Paul S. Hong, David V. Anderson, Douglas B. Williams, Joel R. Jackson, Thomas P. Barnwell III, Monson H. Hayes, Ronald W. Schafer, John D. Echard
DSP for practicing engineers: a case study in Internet course delivery. IEEE Trans. Educ. 47 (3) (2004)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer, J. M. Landsberg
On Space-Time Coding in the Presence of Spatio-Temporal Correlation. IEEE Trans. Inf. Theory 50 (9) (2004)
Alan V. Oppenheim, Ronald W. Schafer
From frequency to quefrency: a history of the cepstrum. IEEE Signal Process. Mag. 21 (5) (2004)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
Capacity Analysis for Continuous Alphabet Channels with Side Information, Part I: A General Framework CoRR (2004)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
Capacity Analysis for Continuous Alphabet Channels with Side Information, Part II: MIMO Channels CoRR (2004)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
A sphere packing bound on Rayleigh block-fading MIMO channels. ICC (2003)
Majid Fozunbal, Steven W. McLaughlin, Ronald W. Schafer
On performance limits of space-time codes: a sphere-packing bound approach. IEEE Trans. Inf. Theory 49 (10) (2003)
Gregory G. Slabaugh, Ronald W. Schafer, Mat C. Hans
Image-based photo hulls for fast and photo-realistic new view synthesis. Real Time Imaging 9 (5) (2003)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
Two-band wavelets and filterbanks over finite fields with connections to error control coding. IEEE Trans. Signal Process. 51 (12) (2003)
Anthony J. Yezzi, Gregory G. Slabaugh, Adrian Broadhurst, Roberto Cipolla, Ronald W. Schafer
A Surface Evolution Approach o Probabilistic Space Carving. 3DPVT (2002)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
Theory of paraunitary filter banks over fields of characteristic two. IEEE Trans. Inf. Theory 48 (11) (2002)
Gregory G. Slabaugh, Ronald W. Schafer, Mat C. Hans
Image-Based Photo Hulls. 3DPVT (2002)
Nikolaos Vasiloglou, Ronald W. Schafer, Mat C. Hans
Lossless Audio Coding with MPEG-4 Structured Audio. WEDELMUSIC (2002)
Gregory G. Slabaugh, Ronald W. Schafer, Mat C. Hans
Multi-resolution space carving using level set methods. ICIP (2) (2002)
Gregory G. Slabaugh, W. Bruce Culbertson, Thomas Malzbender, Ronald W. Schafer
A Survey of Methods for Volumetric Scene Reconstruction from Photographs. VG (2001)
Mathieu Hans, Ronald W. Schafer
Lossless compression of digital audio. IEEE Signal Process. Mag. 18 (4) (2001)
John William Glotzbach, Ronald W. Schafer, Klaus Illgner
A method of color filter array interpolation with alias cancellation properties. ICIP (1) (2001)
Faramarz Fekri, Steven W. McLaughlin, Russell M. Mersereau, Ronald W. Schafer
Decoding of half-rate wavelet codes; Golay code and more. ICASSP (2001)
Joel R. Jackson, Thomas P. Barnwell III, Douglas B. Williams, Monson H. Hayes III, David V. Anderson, Ronald W. Schafer
DSP for practicing engineers: an online course for continuing DSP education. ICASSP (2001)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
Realization of paraunitary filter banks over fields of characteristic two. ICASSP (2000)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
A generalized interpolative vector quantization method for jointly optimal quantization, interpolation, and binarization of text images. IEEE Trans. Image Process. 9 (7) (2000)
Faramarz Fekri, Steven W. McLaughlin, Russell M. Mersereau, Ronald W. Schafer
Double Circulant Self-Dual Codes Using Finite-Field Wavelet Transforms. AAECC (1999)
Christopher A. Lanciani, Ronald W. Schafer
Subband-domain filtering of MPEG audio signals. ICASSP (1999)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
Jointly optimal interpolation and halftoning of text images using a deterministic annealing vector quantization method. NSIP (1999)
Thomas P. Barnwell III, James H. McClellan, Russell M. Mersereau, Ronald W. Schafer
Repackaging signals, systems and circuits in the core ECE curriculum. ICASSP (1999)
James H. McClellan, Ronald W. Schafer
Digital signal processing first. IEEE Signal Process. Mag. 16 (5) (1999)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
Theory of wavelet transform over finite fields. ICASSP (1999)
James H. McClellan, Ronald W. Schafer, Mark A. Yoder
A changing role for DSP education. IEEE Signal Process. Mag. 15 (3) (1998)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
Enhancement of Text Images using a Context based Nonlinear Interpolative Vector Quantization Method. ICIP (3) (1998)
G. Tong Zhou, William R. Schafer, Ronald W. Schafer
A three-state biological point process model and its parameter estimation. IEEE Trans. Signal Process. 46 (10) (1998)
Faramarz Fekri, Russell M. Mersereau, Ronald W. Schafer
A generalized interpolative VQ method for jointly optimal quantization and interpolation of images. ICASSP (1998)
Ricardo L. de Queiroz, Dinei A. F. Florêncio, Ronald W. Schafer
Nonexpansive pyramid for image coding using a nonlinear filterbank. IEEE Trans. Image Process. 7 (2) (1998)
Mathieu Hans, Ronald W. Schafer
AudioPaK - An Integer Arithmetic Lossless Audio Codec. Data Compression Conference (1998)
Christopher A. Lanciani, Ronald W. Schafer
Psychoacoustically-based processing of MPEG-I layer 1-2 encoded signals. MMSP (1997)
José Crespo, Ronald W. Schafer
Locality and Adjacency Stability Constraints for Morphological Connected Operators. J. Math. Imaging Vis. 7 (1) (1997)
José Crespo, Ronald W. Schafer, Jean Serra, Cristophe Gratin, Fernand Meyer
The flat zone approach: A general low-level region merging segmentation method. Signal Process. 62 (1) (1997)
Robert M. Armitano, Ronald W. Schafer, Frederick L. Kitson, Vasudev Bhaskaran
Robust block-matching motion-estimation technique for noisy sources. ICASSP (1997)
James H. McClellan, Ronald W. Schafer, Mark A. Yoder
Experiences in teaching DSP first in the ECE curriculum. ICASSP (1997)
Robert M. Armitano, Dinei A. F. Florêncio, Ronald W. Schafer
The motion transform: a new motion compensation technique. ICASSP (1996)
James H. McClellan, Ronald W. Schafer, Jeffrey B. Schodorf, Mark A. Yoder
Multi-media and World Wide Web resources for teaching DSP. ICASSP (1996)
Mehdi Khosravi, Ronald W. Schafer
Template matching based on a grayscale hit-or-miss transform. IEEE Trans. Image Process. 5 (6) (1996)
Dinei A. F. Florêncio, Ronald W. Schafer
Perfect reconstructing nonlinear filter banks. ICASSP (1996)
Dinei A. F. Florêncio, Robert M. Armitano, Ronald W. Schafer
Motion transforms for video coding. ICIP (2) (1996)
José Crespo, Ronald W. Schafer
Bounds on filters by reconstruction. ICASSP (1996)
Ronald W. Schafer, Norberto Ezquerra, Lonnie D. Harvel
Education in (and by) digital image systems at Georgia Tech. ICIP (1) (1996)
Dinei A. F. Florêncio, Ronald W. Schafer
Post-sampling aliasing control for natural images. ICASSP (1995)
José Crespo, Jean Paul Frédéric Serra, Ronald W. Schafer
Theoretical aspects of morphological filters by reconstruction. Signal Process. 47 (2) (1995)
Lois Hertz, Ronald W. Schafer
Postprocessing of Thresholded Images to Maximize Edge Coincidence. J. Vis. Commun. Image Represent. 6 (2) (1995)
Dinei A. F. Florêncio, Ronald W. Schafer
Critical Morphological Sampling and Its Applications to Image Coding. ISMM (1994)
Mehdi Khosravi, Ronald W. Schafer
Implementation of linear digital filters based on morphological representation theory. IEEE Trans. Signal Process. 42 (9) (1994)
Dinei A. F. Florêncio, Ronald W. Schafer
A Non-Expansive Pyramidal Morphological Image Coder. ICIP (2) (1994)
José Crespo, Ronald W. Schafer
The Flat Zone Approach and Color Images. ISMM (1994)
Mehdi Khosravi, Ronald W. Schafer
Low Complexity Matching Criteria for Image/Video Applications. ICIP (3) (1994)
Lois Hertz, Ronald W. Schafer
Measurement of Edge Coincidence in Image Thresholdings. J. Vis. Commun. Image Represent. 4 (2) (1993)
Jae H. Chung, Ronald W. Schafer
Performance evaluation of analysis-by-synthesis homomorphic vocoders. ICASSP (1992)
José Crespo, Ronald W. Schafer
Image partition using an iterative multi-resolution smoothing algorithm. ICASSP (1992)
Aggelos K. Katsaggelos, Jan Biemond, Ronald W. Schafer, Russell M. Mersereau
A regularized iterative image restoration algorithm. IEEE Trans. Signal Process. 39 (4) (1991)
Craig H. Richardson, Ronald W. Schafer
A Lower Bound for Structuring Element Decompositions. IEEE Trans. Pattern Anal. Mach. Intell. 13 (4) (1991)
Jae H. Chung, Ronald W. Schafer
Excitation modeling in a homomorphic vocoder. ICASSP (1990)
Craig H. Richardson, Ronald W. Schafer
Symbolic manipulation and analysis of morphological expressions. ICASSP (1990)
Petros Maragos, Ronald W. Schafer
Morphological systems for multidimensional signal processing. Proc. IEEE 78 (4) (1990)
Jae H. Chung, Ronald W. Schafer
A 4.8 Kbps homomorphic vocoder using analysis-by-synthesis excitation analysis. ICASSP (1989)
Lois Hertz, Ronald W. Schafer
Multilevel thresholding using edge matching. Comput. Vis. Graph. Image Process. 44 (3) (1988)
Petros Maragos, Ronald W. Schafer
Morphological filters-Part I: Their set-theoretic analysis and relations to linear shift-invariant filters. IEEE Trans. Acoust. Speech Signal Process. 35 (8) (1987)
Petros Maragos, Ronald W. Schafer
Morphological filters-Part II: Their relations to median, order-statistic, and stack filters. IEEE Trans. Acoust. Speech Signal Process. 35 (8) (1987)
Petros Maragos, Ronald W. Schafer
Morphological skeleton representation and coding of binary images. IEEE Trans. Acoust. Speech Signal Process. 34 (5) (1986)
Cheung Auyeung, Russell M. Mersereau, Ronald W. Schafer
Maximum entropy deconvolution. ICASSP (1986)
Petros Maragos, Ronald W. Schafer
Applications of morphological filtering to image analysis and processing. ICASSP (1986)
Aggelos K. Katsaggelos, Jan Biemond, Russell M. Mersereau, Ronald W. Schafer
A general formulation of constrained iterative restoration algorithms. ICASSP (1985)

Ronald W. Schafer.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Ronald W. Schafer