D-Index & Metrics Best Publications

D-Index & Metrics

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Computer Science D-index 63 Citations 18,473 370 World Ranking 1267 National Ranking 730

Research.com Recognitions

Awards & Achievements

2007 - IEEE Fellow For contributions to image and video communications

Overview

What is he best known for?

The fields of study he is best known for:

  • Artificial intelligence
  • Algorithm
  • Statistics

Antonio Ortega mostly deals with Algorithm, Artificial intelligence, Data compression, Computer vision and Mathematical optimization. His Algorithm study integrates concerns from other disciplines, such as Encoder, Graph bandwidth, Interpolation, Adjacency matrix and Distortion. He combines subjects such as Graph and Pattern recognition with his study of Artificial intelligence.

The various areas that Antonio Ortega examines in his Data compression study include Transform coding, Wavelet, Wavelet transform and Quantization. His study in Computer vision is interdisciplinary in nature, drawing from both Coding and Sub-band coding. His Graph theory research focuses on Signal processing and how it connects with Digital television.

His most cited work include:

  • The emerging field of signal processing on graphs: Extending high-dimensional data analysis to networks and other irregular domains (2237 citations)
  • Rate-distortion methods for image and video compression (768 citations)
  • Graph Signal Processing: Overview, Challenges, and Applications (559 citations)

What are the main themes of his work throughout his whole career to date?

Antonio Ortega spends much of his time researching Algorithm, Artificial intelligence, Computer vision, Data compression and Graph. His Algorithm study incorporates themes from Encoder, Theoretical computer science, Wavelet and Graph. His biological study spans a wide range of topics, including Real-time computing and Distortion.

His work carried out in the field of Artificial intelligence brings together such families of science as Coding and Pattern recognition. His study in the fields of Depth map, Motion compensation, Image processing and View synthesis under the domain of Computer vision overlaps with other disciplines such as Multiview Video Coding. His Data compression research incorporates themes from Transform coding and Wireless sensor network.

He most often published in these fields:

  • Algorithm (40.46%)
  • Artificial intelligence (31.49%)
  • Computer vision (18.89%)

What were the highlights of his more recent work (between 2014-2021)?

  • Algorithm (40.46%)
  • Graph (12.60%)
  • Graph (9.16%)

In recent papers he was focusing on the following fields of study:

His scientific interests lie mostly in Algorithm, Graph, Graph, Artificial intelligence and Laplacian matrix. His research integrates issues of Discrete cosine transform, Sampling, Separable space, Mathematical optimization and Coding in his study of Algorithm. His work carried out in the field of Coding brings together such families of science as Data compression, Decoding methods and Graph based.

His studies in Graph integrate themes in fields like Graph signal processing, Signal processing, Matrix decomposition, Fourier transform and Wavelet. The concepts of his Graph study are interwoven with issues in Semi-supervised learning and Theoretical computer science. His Artificial intelligence study integrates concerns from other disciplines, such as Machine learning, Computer vision and Pattern recognition.

Between 2014 and 2021, his most popular works were:

  • Graph Signal Processing: Overview, Challenges, and Applications (559 citations)
  • Efficient Sampling Set Selection for Bandlimited Graph Signals Using Graph Spectral Proxies (224 citations)
  • Multiresolution Graph Fourier Transform for Compression of Piecewise Smooth Images (158 citations)

In his most recent research, the most cited papers focused on:

  • Artificial intelligence
  • Algorithm
  • Statistics

Antonio Ortega focuses on Algorithm, Graph, Artificial intelligence, Theoretical computer science and Discrete cosine transform. His Algorithm research includes themes of Transform coding, Laplacian matrix, Graph, Graph bandwidth and Mathematical optimization. His research integrates issues of Semi-supervised learning, Graph signal processing, Signal processing, Separable space and Data point in his study of Graph.

The Artificial intelligence study combines topics in areas such as Covariance function, Computer vision and Pattern recognition. His Theoretical computer science study combines topics from a wide range of disciplines, such as Channel code, Decoding methods, Distributed source coding, Constant function and Deep learning. Antonio Ortega combines subjects such as Decimation, Coding and Cut with his study of Discrete cosine transform.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

The emerging field of signal processing on graphs: Extending high-dimensional data analysis to networks and other irregular domains

David I Shuman;Sunil K. Narang;Pascal Frossard;Antonio Ortega.
IEEE Signal Processing Magazine (2013)

2539 Citations

Rate-distortion methods for image and video compression

A. Ortega;K. Ramchandran.
IEEE Signal Processing Magazine (1998)

1059 Citations

Graph Signal Processing: Overview, Challenges, and Applications

Antonio Ortega;Pascal Frossard;Jelena Kovacevic;Jose M. F. Moura.
Proceedings of the IEEE (2018)

612 Citations

Bit allocation for dependent quantization with applications to multiresolution and MPEG video coders

K. Ramchandran;A. Ortega;M. Vetterli.
IEEE Transactions on Image Processing (1994)

600 Citations

Line-based, reduced memory, wavelet image compression

C. Chrysafis;A. Ortega.
IEEE Transactions on Image Processing (2000)

559 Citations

Multiresolution broadcast for digital HDTV using joint source/channel coding

K. Ramchandran;A. Ortega;K.M. Uz;M. Vetterli.
IEEE Journal on Selected Areas in Communications (1993)

453 Citations

Perfect Reconstruction Two-Channel Wavelet Filter Banks for Graph Structured Data

Sunil K. Narang;A. Ortega.
IEEE Transactions on Signal Processing (2012)

384 Citations

Bit-rate control using piecewise approximated rate-distortion characteristics

Liang-Jin Lin;A. Ortega.
IEEE Transactions on Circuits and Systems for Video Technology (1998)

382 Citations

VBR video: tradeoffs and potentials

T.V. Lakshman;A. Ortega;A.R. Reibman.
Proceedings of the IEEE (1998)

372 Citations

Optimal trellis-based buffered compression and fast approximations

A. Ortega;K. Ramchandran;M. Vetterli.
IEEE Transactions on Image Processing (1994)

327 Citations

Best Scientists Citing Antonio Ortega

Gene Cheung

Gene Cheung

York University

Publications: 155

Pascal Frossard

Pascal Frossard

École Polytechnique Fédérale de Lausanne

Publications: 124

Alejandro Ribeiro

Alejandro Ribeiro

University of Pennsylvania

Publications: 90

Geert Leus

Geert Leus

Delft University of Technology

Publications: 65

Pierre Vandergheynst

Pierre Vandergheynst

École Polytechnique Fédérale de Lausanne

Publications: 53

Aggelos K. Katsaggelos

Aggelos K. Katsaggelos

Northwestern University

Publications: 44

Jelena Kovacevic

Jelena Kovacevic

New York University

Publications: 40

Jose M. F. Moura

Jose M. F. Moura

Carnegie Mellon University

Publications: 40

Martin Reisslein

Martin Reisslein

Arizona State University

Publications: 36

Feng Wu

Feng Wu

University of Science and Technology of China

Publications: 34

Beatrice Pesquet-Popescu

Beatrice Pesquet-Popescu

University of Paris-Saclay

Publications: 34

Enrico Magli

Enrico Magli

Polytechnic University of Turin

Publications: 31

Debin Zhao

Debin Zhao

Harbin Institute of Technology

Publications: 30

Dimitri Van De Ville

Dimitri Van De Ville

École Polytechnique Fédérale de Lausanne

Publications: 30

Wen Gao

Wen Gao

Peking University

Publications: 30

Sergio Barbarossa

Sergio Barbarossa

Sapienza University of Rome

Publications: 29

Profile was last updated on December 6th, 2021.
Research.com Ranking is based on data retrieved from the Microsoft Academic Graph (MAG).
The ranking d-index is inferred from publications deemed to belong to the considered discipline.

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