Per Hedelin

Showing 49 publications

2008

Packet Video Error Concealment With Gaussian Mixture Models

Daniel Persson, Thomas Eriksson, Per Hedelin
Image Processing, IEEE Transactions on
Journal article
2006

Qualitative Analysis of Video Packet Loss Concealment with Gaussian Mixtures

Daniel Persson, Thomas Eriksson, Per Hedelin
Icassp 2006, 14-19 May, France. Vol. 2, p. II-961 - II-964-
Paper in proceeding
2005

LSP quantization by a union of locally trained codebooks

T. Z. Shabestary, Per Hedelin
IEEE Transactions on Speech and Audio Processing. Vol. 13 (5), p. 811-820
Journal article
2005

A Statistical Approach to Packet Loss Concealment for Video

Daniel Persson, Per Hedelin
ICASSP. Vol. 2 (2005), p. 293 - 296
Paper in proceeding
2005

Vector quantization by companding a union of Z-lattices

T. Z. Shabestary, Per Hedelin
IEEE Transactions on Information Theory. Vol. 51 (2), p. 738-746
Journal article
2001

An information theoretic perspective on the speech spectrum process

Fredrik Nordén, Thomas Eriksson, Per Hedelin
Proc. IEEE Workshop on Speech Coding, p. 93-95
Paper in proceeding
2000

Model Based Spectrum Prediction

Jonas Lindblom, Jonas Samuelsson, Per Hedelin
Proc. of the 2000 IEEE Workshop on Speech Coding, p. 117-119
Paper in proceeding
2000

Recursive LPC Spectrum Coding - a Classified VQ Approach

Fredrik Nordén, Jan Skoglund, Per Hedelin
Proc. Conf. IEEE ICASSP-2000, Istanbul, Turkey
Paper in proceeding
2000

Low-Rate Quantization of Spectrum Parameters

Per Hedelin, H-G. Kang, Thomas Eriksson
Proc. Conf. IEEE ICASSP -2000, Istanbul, Turkey
Paper in proceeding
1999

SD Optimization of Spectral Coders

Per Hedelin, Fredrik Nordén, Jan Skoglund
Proc. IEEE Speech Coding Workshop, Provoo, Finland, p. 28-30
Paper in proceeding
1999

Robust Vector Quantization by a Linear Mapping of a Block Code

Roar Hagen, Per Hedelin
IEEE Transactions on Information Theory. Vol. 45, p. 200-218
Journal article
1999

Hadamard-based Soft Decoding for Vector Quantization over Noisy Channels

Mikael Skoglund, Per Hedelin
IEEE Transactions on Information Theory. Vol. 45, p. 515-532
Journal article
1999

Performance Bounds for LPC Spectum Quantization

Per Hedelin, Jan Skoglund, Jonas Samuelsson
Proc. IEEE ICASSP-99, Phoenix, Arizona. Vol. 2, p. 677-680
Paper in proceeding
1999

Combatting Packet Losses by Model Based Spectrum Prediction

Jonas Lindblom, Per Hedelin
Proc. of the PCC Workshop, p. 29-34
Paper in proceeding
1999

Recursive Coding of Spectrum Parameters

Jonas Samuelsson, Per Hedelin
Proc. IEEE Speech Coding Workshop, Provoo, Finland, p. 37-39
Paper in proceeding
1997

Audibility of Pitch-Synchronously Modulated Noise

Jan Skoglund, W.B. Kleijn, Per Hedelin
Proc. IEEE Speech Coding Workshop, Pocono Manor, PA
Paper in proceeding
1995

Soft Decoding for Vector Quantization in Combination with Block Channel Coding

Mikael Skoglund, Per Hedelin
Proc. IEEE Int. Symposium on Information Theory ISIT-95, Whistler, Canada, p. 436-
Paper in proceeding
1995

Interpolating the History - Improved Excitation Coding for High Quality CELP Coding

Per Hedelin, Thomas Eriksson
Proc. IEEE ICASSP-95, Detroit, USA, p. 17-20
Paper in proceeding
1995

Low Rate Speech Coding Using a Glottal Pulse Codebook

Jan Lindén, Jan Skoglund, Per Hedelin
Proc. IEEE Speech Coding Workshop, Annapolis, USA. Vol. 1, p. 105-106
Paper in proceeding
1995

Theory for transmission of vector quantization data

Per Hedelin, Petter Knagenhjelm, Mikael Skoglund
Elsevier Science, Speech coding and synthesis
Journal article
1995

Vector quantization for speech transmission

Per Hedelin, Petter Knagenhjelm, Mikael Skoglund
Elsevier Science, Speech coding and Synthesis, p. 347-396
Journal article
1994

Employing the Hadamard Transform for Analysis and Design of Vector Quantizers

Per Hedelin
Proc. Nordic Signal Processing Symposium , Ålesund, Norway
Paper in proceeding
1994

A Glottal Vocoder Emloying Vector Quantization

Jan Lindén, Jan Skoglund, Per Hedelin et al
Proc. Nordic Signal Processing Symposium, Ålesund, Norway, p. 198-201
Paper in proceeding
1994

Spectral Coding at 20 bits

Per Hedelin
Proc. IEEE Int. Conf. ICASSP-94, Adelaide, Australia, p. 525-527
Paper in proceeding
1994

Design Methods for VQ by Linear Mappings of Block Codes

Roar Hagen, Per Hedelin
Proc. IEEE Int. Symposium on Information Theory, ISIT-94, Trondheim, Norway, p. 241-
Paper in proceeding
1994

A Soft Decoder Vector Quantizer for a Noisy Channel

Mikael Skoglund, Per Hedelin
Proc. IEEE Int. Symposium on Information Theory, ISIT-94, Trondheim, Norway, p. 401-
Paper in proceeding
1994

Vector quantization over a Noisy Channel using Soft Decision Decoding

Mikael Skoglund, Per Hedelin
Proc. IEEE Int. Conf. ICASSP-94, Adelaide, Australia, p. 605-608
Paper in proceeding
1994

How to evaluate search methods for vector quantization

Erik Agrell, Per Hedelin
Proc. Nordic Signal Processing Symposium, Ålesund, Norway, p. 258-263
Paper in proceeding
1993

Robust Vector Quantization by Linear Mappings of Block Codes

Roar Hagen, Per Hedelin
Proc. IEEE Int. Symposium on Information Theory, ISIT-93, San Antonio, USA, p. 171-
Paper in proceeding
1993

Robust Vector Quantization in Spectral Coding

Roar Hagen, Per Hedelin
Proc. IEEE Int.Conf. ICASSP-93, Minneapolis, USA, p. 13-16
Paper in proceeding
1993

A Robust Single-Stage VQ for Spectral Coding

Roar Hagen, Per Hedelin
Proc. IEEE Speech Coding Workshop, Québec, Canada, p. 67-68
Paper in proceeding
1992

Spectral Coding by LSP-frequencies: Scalar and VQ-methods

Roar Hagen, Per Hedelin
Proc. I IEEE Communications, Speech and Vision. Vol. 139 (2), p. 118-122
Journal article
1992

A Multi-Stage Perspective on CELP Speech Coding

Per Hedelin
Proc. IEEE Int. Conf. ICASSP-92 part I, San Fransisco, USA, p. 57-60
Paper in proceeding
1991

Design and Initialization of Artificial Neural Networks by (Reduced) Pair-Wise Tests

Johan Molnö, Per Hedelin
Proc. Int. Conf. on Artifical Neuarl Networks ICANN-91, Helsinki, Finland, p. 635-640
Paper in proceeding
1991

Model or Non-Model Based Classifiers

Peter Brauer, Per Hedelin, D. Huber et al
Proc. EUROSPEECH-91, Genova, Italy. Vol. 2, p. 1027-1030
Paper in proceeding
1991

Amplitude Quantization for CELP Excitation Signals

Per Hedelin, Anders Bergström
Proc. IEEE Int. Conf. ICASSP-91, Toronto, Canada, p. 225-228
Paper in proceeding
1991

Probability Based Optimization for Network Classifiers

Peter Brauer, Per Hedelin, D. Huber et al
Proc. IEEE Int. Conf. ICASSP-91, Toronto, Canada, p. 133-136
Paper in proceeding
1990

Pitch Period Determination of Aperiodic Speech Signals

Per Hedelin, D. Huber
Proc. IEEE Int. Conf. ICASSP-90, Albuquerque, New Mexico. Vol. 1, p. 361-364
Paper in proceeding
1990

Low Bit-rate Spectral Coding in CELP - A New LSP-Method

Roar Hagen, Per Hedelin
Proc. IEEE Int. Conf. ICASSP-90, Albuquerque, New Mexico, p. 189-192
Paper in proceeding
1990

The CTH-Speech Database: An Integrated Multilevel Approach

Per Hedelin, D. Huber
Speech Communication. Vol. 9 (4), p. 365-374
Journal article
1989

CTH Signal Processing Activities - The 1989 Perspective

Per Hedelin, D. Huber
Proc. STU Symposium "Digital Communication", Stockholm, Sweden, p. 23-25
Paper in proceeding
1989

Classification: A problem of Optimization or Organization?

Holger Broman, Per Hedelin, Peter Brauer et al
Proc. STU-Symposium "Digital Communication", Stockholm, Sweden, p. 101-106
Paper in proceeding
1989

Code-Book Driven Glottal Pulse Analysis

Anders Bergström, Per Hedelin
Proc. IEEE Int. Conf. ICASSP-89, Glasgow, Scotland. Vol. 1, p. 53-56
Paper in proceeding
1989

High Temporal Resolution in Multi-Pulse Coding

Anders Bergström, Per Hedelin
Proc. IEEE Int. Conf. ICASSP-89, Glasgow, Scotland. Vol. 2, p. 770-773
Paper in proceeding
1989

Tree-Search Quantization of LSP-Parameters

Roar Hagen, Per Hedelin
Proc. IEEE Workshop on Speech Coding for Telecommunication, Vancouver, Canada, p. 42-45
Paper in proceeding
1989

Structures and contents in CELP residual code-books

Anders Bergström, Per Hedelin
Proc. STU-Symposium "Digital Communication", Stockholm, Sweden, p. 26-29
Paper in proceeding
1989

The CTH-Speech Database: An Integrated Multilevel Approach

Per Hedelin, D. Huber
Proc. ESCA Workshop on Speech Input/Output Assessment and Speech Databases, Noordwijkerhout, Netherlands, p. 2.9.1-2.9.4
Paper in proceeding
1988

Phase Compensation in All-pole Speech Analysis

Per Hedelin
Proc. IEEE Int. Conf. ICASSP-88, New York, USA. Vol. 1, p. 339-342
Paper in proceeding
1988

Extended Glottal LPC with Mixed Excitation

Anders Bergström, Per Hedelin
Proc. Eurocon-88, Stockholm, Sweden, p. 28-31
Paper in proceeding

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