Ricardo L. de Queiroz

Orcid: 0000-0002-3911-1838

Affiliations:
  • University of Brasilia, Brazil
  • University of Texas at Arlington, TX, USA (PhD 1994)


According to our database1, Ricardo L. de Queiroz authored at least 161 papers between 1992 and 2024.

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Bibliography

2024
Embedded Coding of Point Cloud Attributes.
IEEE Signal Process. Lett., 2024

2023
Motion-Compensated Predictive RAHT for Dynamic Point Clouds.
IEEE Trans. Image Process., 2023

2022
Differential Transform for Video-Based Plenoptic Point Cloud Coding.
IEEE Trans. Image Process., 2022

Fractional Super-Resolution of Voxelized Point Clouds.
IEEE Trans. Image Process., 2022

Adaptive Context Modeling for Arithmetic Coding Using Perceptrons.
IEEE Signal Process. Lett., 2022

Geometry-Based Compression of Plenoptic Point Clouds.
Proceedings of the 24th IEEE International Workshop on Multimedia Signal Processing, 2022

On Quantization of Image Classification Neural Networks for Compression Without Retraining.
Proceedings of the 2022 IEEE International Conference on Image Processing, 2022

2021
Set Partitioning in Hierarchical Trees for Point Cloud Attribute Compression.
IEEE Signal Process. Lett., 2021

Towards robustness under occlusion for face recognition.
CoRR, 2021

Model-Centric Volumetric Point Cloud Attributes.
CoRR, 2021

Memory-Friendly Segmentation Refinement for Video-Based Point Cloud Compression.
Proceedings of the 2021 IEEE International Conference on Image Processing, 2021

Multi-Resolution Intra-Predictive Coding Of 3d Point Cloud Attributes.
Proceedings of the 2021 IEEE International Conference on Image Processing, 2021

2020
Geometry Coding for Dynamic Voxelized Point Clouds Using Octrees and Multiple Contexts.
IEEE Trans. Image Process., 2020

Saliency Maps for Point Clouds.
Proceedings of the 22nd IEEE International Workshop on Multimedia Signal Processing, 2020

On Predictive RAHT For Dynamic Point Cloud Coding.
Proceedings of the IEEE International Conference on Image Processing, 2020

Lossy Point Cloud Geometry Compression Via Dyadic Decomposition.
Proceedings of the IEEE International Conference on Image Processing, 2020

Adaptive Block Partitioning of Point Clouds for Video-Based Color Compression.
Proceedings of the IEEE International Conference on Image Processing, 2020

2019
Compression of Plenoptic Point Clouds.
IEEE Trans. Image Process., 2019

Integer Alternative for the Region-Adaptive Hierarchical Transform.
IEEE Signal Process. Lett., 2019

Point Cloud Compression Incorporating Region of Interest Coding.
Proceedings of the 2019 IEEE International Conference on Image Processing, 2019

Local Texture and Geometry Descriptors for Fast Block-Based Motion Estimation of Dynamic Voxelized Point Clouds.
Proceedings of the 2019 IEEE International Conference on Image Processing, 2019

2018
Distance-Based Probability Model for Octree Coding.
IEEE Signal Process. Lett., 2018

Foreword to the Special Section on SIBGRAPI 2018.
Comput. Graph., 2018

Compression of Plenoptic Point Clouds Using the Region-Adaptive Hierarchical Transform.
Proceedings of the 2018 IEEE International Conference on Image Processing, 2018

Intra-Frame Context-Based Octree Coding for Point-Cloud Geometry.
Proceedings of the 2018 IEEE International Conference on Image Processing, 2018

Example-Based Super-Resolution for Point-Cloud Video.
Proceedings of the 2018 IEEE International Conference on Image Processing, 2018

Block-Based Motion Estimation Speedup for Dynamic Voxelized Point Clouds.
Proceedings of the 2018 IEEE International Conference on Image Processing, 2018

2017
Motion-Compensated Compression of Dynamic Voxelized Point Clouds.
IEEE Trans. Image Process., 2017

Transform Coding for Point Clouds Using a Gaussian Process Model.
IEEE Trans. Image Process., 2017

Attention-Weighted Texture and Depth Bit-Allocation in General-Geometry Free-Viewpoint Television.
IEEE Trans. Circuits Syst. Video Technol., 2017

A Quality-of-Content-Based Joint Source and Channel Coding for Human Detections in a Mobile Surveillance Cloud.
IEEE Trans. Circuits Syst. Video Technol., 2017

Convexity characterization of virtual view reconstruction error in multi-view imaging.
Proceedings of the 19th IEEE International Workshop on Multimedia Signal Processing, 2017

Motion estimation with multiple matching criteria.
Proceedings of the 19th IEEE International Workshop on Multimedia Signal Processing, 2017

Motion-compensated compression of point cloud video.
Proceedings of the 2017 IEEE International Conference on Image Processing, 2017

Context-based octree coding for point-cloud video.
Proceedings of the 2017 IEEE International Conference on Image Processing, 2017

2016
Compression of 3D Point Clouds Using a Region-Adaptive Hierarchical Transform.
IEEE Trans. Image Process., 2016

Dynamic Polygon Cloud Compression.
CoRR, 2016

Attention-weighted depth map rate-allocation in free-viewpoint television.
Proceedings of the 2016 IEEE International Conference on Image Processing, 2016

Gaussian process transforms.
Proceedings of the 2016 IEEE International Conference on Image Processing, 2016

2015
Face-Spoofing 2D-Detection Based on Moiré-Pattern Analysis.
IEEE Trans. Inf. Forensics Secur., 2015

Quality-of-content (QoC)-driven rate allocation for video analysis in mobile surveillance networks.
Proceedings of the 17th IEEE International Workshop on Multimedia Signal Processing, 2015

Clustering of matched features and gradient matching for mixed-resolution video super-resolution.
Proceedings of the 2015 IEEE International Symposium on Circuits and Systems, 2015

Evaluating the effects of image compression in Moiré-pattern-based face-spoofing detection.
Proceedings of the 2015 IEEE International Conference on Image Processing, 2015

2014
Example-based Enhancement of Degraded Video.
IEEE Signal Process. Lett., 2014

A fast HEVC transcoder based on content modeling and early termination.
Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

General rate-allocation in free-viewpoint television.
Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2013
Scanned Document Compression Using Block-Based Hybrid Video Codec.
IEEE Trans. Image Process., 2013

Attention-Weighted Rate Allocation in Free-Viewpoint Television.
IEEE Signal Process. Lett., 2013

Reconstruction of coarse depth estimates using hierarchical image partitions.
Multidimens. Syst. Signal Process., 2013

Depth-map super-resolution for asymmetric stereo images.
Proceedings of the IEEE International Conference on Acoustics, 2013

Energy-constrained real-time H.264/AVC video coding.
Proceedings of the IEEE International Conference on Acoustics, 2013

2012
Video Super-Resolution Using Codebooks Derived From Key-Frames.
IEEE Trans. Circuits Syst. Video Technol., 2012

Super Resolution for Multiview Images Using Depth Information.
IEEE Trans. Circuits Syst. Video Technol., 2012

HEVC-based scanned document compression.
Proceedings of the 19th IEEE International Conference on Image Processing, 2012

Video super-resolution based on local invariant features matching.
Proceedings of the 19th IEEE International Conference on Image Processing, 2012

2011
Pre- and postprocessing for multilayer compression of scanned documents.
J. Electronic Imaging, 2011

Complexity-constrained rate-distortion optimization for h.264/avc video coding.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011

Transform domain semi-super resolution.
Proceedings of the 18th IEEE International Conference on Image Processing, 2011

Video compression complexity reduction with adaptive down-sampling.
Proceedings of the 18th IEEE International Conference on Image Processing, 2011

Depth map reconstruction using color-based region merging.
Proceedings of the 18th IEEE International Conference on Image Processing, 2011

Transform-domain super-resolution for multiview images using depth information.
Proceedings of the 19th European Signal Processing Conference, 2011

2010
A Wyner-Ziv Video Transcoder.
IEEE Trans. Circuits Syst. Video Technol., 2010

Least-Squares Directional Intra Prediction in H.264/AVC.
IEEE Signal Process. Lett., 2010

Reversible color-to-gray mapping using subband domain texturization.
Pattern Recognit. Lett., 2010

High quality scanned book compression using pattern matching.
Proceedings of the International Conference on Image Processing, 2010

Mixed-resolution distributed video codec without motion estimation at the encoder.
Proceedings of the International Conference on Image Processing, 2010

Complexity-scalable H.264/AVC in an IPP-based video encoder.
Proceedings of the International Conference on Image Processing, 2010

2009
Iterative Side-Information Generation in a Mixed Resolution Wyner-Ziv Framework.
IEEE Trans. Circuits Syst. Video Technol., 2009

Side-Information Generation for Temporally and Spatially Scalable Wyner-Ziv Codecs.
EURASIP J. Image Video Process., 2009

Complexity-constrained H.264 HD video coding through mode ranking.
Proceedings of the 2009 Picture Coding Symposium, 2009

Improved layer processing for MRC compression of scanned documents.
Proceedings of the International Conference on Image Processing, 2009

Mapping motion vectors for Awyner-Ziv video transcoder.
Proceedings of the International Conference on Image Processing, 2009

Macroblock sampling and mode ranking for complexity scalability in mobile H.264 video coding.
Proceedings of the International Conference on Image Processing, 2009

Efficiency improvements for a geometric-partition-based video coder.
Proceedings of the International Conference on Image Processing, 2009

2008
Super resolution of video using key frames.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2008), 2008

MRC Compression of Compound Documents Using Threshold Segmentation, Iterative Data-Filling and H.264/AVC-INTRA.
Proceedings of the Sixth Indian Conference on Computer Vision, Graphics & Image Processing, 2008

Iterative pre- and post-processing for MRC layers of scanned documents.
Proceedings of the International Conference on Image Processing, 2008

Intra prediction versuswavelets and lapped transforms in an H.264/AVC coder.
Proceedings of the International Conference on Image Processing, 2008

Parameter estimation for an H.264-based distributed video coder.
Proceedings of the International Conference on Image Processing, 2008

Super-resolution of video using key frames and motion estimation.
Proceedings of the International Conference on Image Processing, 2008

2007
Segmentation-Driven Compound Document Coding Based on H.264/AVC-INTRA.
IEEE Trans. Image Process., 2007

A simple reversed-complexity Wyner-Ziv video coding mode based on a spatial reduction framework.
Proceedings of the Visual Communications and Image Processing 2007, 2007

Improved Reversible Mapping from Color to Gray.
Proceedings of the SIBGRAPI 2007, 2007

Using H.264/AVC-Intra for Segmentation-Driven Compound Document Coding.
Proceedings of the International Conference on Image Processing, 2007

Motion-Based Side-Information Generation for a Scalable Wyner-Ziv Video Coder.
Proceedings of the International Conference on Image Processing, 2007

2006
Color to gray and back: color embedding into textured gray images.
IEEE Trans. Image Process., 2006

JPEG compression history estimation for color images.
IEEE Trans. Image Process., 2006

Pre-Processing for MRC Layers of Scanned Images.
Proceedings of the International Conference on Image Processing, 2006

On Macroblock Partition for Motion Compensation.
Proceedings of the International Conference on Image Processing, 2006

A Model for the Electronic Representation of Bank Checks.
Proceedings of the International Conference on Image Processing, 2006

2005
Detecting spatially varying gray component replacement with application in watermarking printed images.
J. Electronic Imaging, 2005

Spatially varying gray component replacement for image watermarking.
Proceedings of the 2005 International Conference on Image Processing, 2005

Color embedding into gray images.
Proceedings of the 2005 International Conference on Image Processing, 2005

Watermarking JBIG2 text region for image authentication.
Proceedings of the 2005 International Conference on Image Processing, 2005

2004
LUT filters for quantized processing of signals.
IEEE Trans. Signal Process., 2004

Simple spatial processing for color mappings.
J. Electronic Imaging, 2004

A neural network approach to key frame extraction.
Proceedings of the Storage and Retrieval Methods and Applications for Multimedia 2004, 2004

Alteration-Locating Authentication Watermarking for Binary Images.
Proceedings of the Digital Watermarking, Third InternationalWorkshop, 2004

A public-key authentication watermarking for binary images.
Proceedings of the 2004 International Conference on Image Processing, 2004

2003
DCT-based general structure for linear-phase paraunitary filterbanks.
IEEE Trans. Signal Process., 2003

Identification of bitmap compression history: JPEG detection and quantizer estimation.
IEEE Trans. Image Process., 2003

JPEG compression history estimation for color images.
Proceedings of the 2003 International Conference on Image Processing, 2003

Inverse halftoning by decision tree learning.
Proceedings of the 2003 International Conference on Image Processing, 2003

2002
Variable complexity DCT approximations driven by an HVQ-based analyzer.
IEEE Trans. Circuits Syst. Video Technol., 2002

Three-dimensional subband coding techniques for wireless video communications.
IEEE Trans. Circuits Syst. Video Technol., 2002

On the completeness of the lattice factorization for linear-phase perfect reconstruction filter banks.
IEEE Signal Process. Lett., 2002

Improved transforms for the compression of color and multispectral images.
Proceedings of the 2002 International Conference on Image Processing, 2002

DCT approximation for low bit rate coding using a conditional transform.
Proceedings of the 2002 International Conference on Image Processing, 2002

Reduced DCT approximations for low bit rate coding.
Proceedings of the 2002 International Conference on Image Processing, 2002

A new 3-D subband video coding technique.
Proceedings of the IEEE International Conference on Acoustics, 2002

2001
Approximating lapped transforms through unitary postprocessing.
IEEE Signal Process. Lett., 2001

Lattice algorithms for compression color space estimation in JPEG images.
Proceedings of the 8th International Workshop on Combinatorial Image Analysis, 2001

Compression color space estimation of JPEG images using lattice basis reduction.
Proceedings of the 2001 International Conference on Image Processing, 2001

Signal processing using LUT filters based on hierarchical VQ.
Proceedings of the IEEE International Conference on Acoustics, 2001

On filter banks with rational oversampling.
Proceedings of the IEEE International Conference on Acoustics, 2001

2000
Linear-phase perfect reconstruction filter bank: lattice structure, design, and application in image coding.
IEEE Trans. Signal Process., 2000

Further results on reconstruction methods for processing finite-length signals with perfect reconstruction filter banks.
IEEE Trans. Signal Process., 2000

Classified JPEG coding of mixed document images for printing.
IEEE Trans. Image Process., 2000

Optimizing block-thresholding segmentation for multilayer compression of compound images.
IEEE Trans. Image Process., 2000

Very fast JPEG compression using hierarchical vector quantization.
IEEE Signal Process. Lett., 2000

Gamut Mapping to Preserve Spatial Luminance Variations.
Proceedings of the Eighth Color Imaging Conference: Color Science and Engineering Systems, 2000

Optimizing Block-Threshold Segmentation for MRC Compression.
Proceedings of the 2000 International Conference on Image Processing, 2000

On Data-Filling Algorithms for MRC Layers.
Proceedings of the 2000 International Conference on Image Processing, 2000

Maximum Likelihood Estimation of JPEG Quantization Table in the Identification of Bitmap Compression History.
Proceedings of the 2000 International Conference on Image Processing, 2000

Color transformation for the compression of CMYK images.
Proceedings of the Color Imaging: Device-Independent Color, 2000

1999
On independent color space transformations for the compression of CMYK images.
IEEE Trans. Image Process., 1999

Fast video segmentation using encoding cost data.
Proceedings of the Storage and Retrieval for Image and Video Databases VII, 1999

Compression of Compound Documents.
Proceedings of the 1999 International Conference on Image Processing, 1999

Adaptive rate-distortion-based thresholding: application in JPEG compression of mixed images for printing.
Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

Wavelet coding suited for printer raster images.
Proceedings of the Color Imaging: Device-Independent Color, 1999

1998
A robust technique for image descreening based on the wavelet transform.
IEEE Trans. Signal Process., 1998

Nonexpansive pyramid for image coding using a nonlinear filterbank.
IEEE Trans. Image Process., 1998

Processing JPEG-compressed images and documents.
IEEE Trans. Image Process., 1998

On unitary transform approximations.
IEEE Signal Process. Lett., 1998

Fast segmentation of the JPEG compressed documents.
J. Electronic Imaging, 1998

The Variable-Length Generalized Lapped Biorthogonal Transform.
Proceedings of the 1998 IEEE International Conference on Image Processing, 1998

The generalized lapped biorthogonal transform.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

Multiresolution color correction.
Proceedings of the Color Imaging: Device-Independent Color, 1998

1997
Fast downscaled inverses for images compressed with M-channel lapped transforms.
IEEE Trans. Image Process., 1997

Wavelet transforms in a JPEG-like image coder.
IEEE Trans. Circuits Syst. Video Technol., 1997

Color Correcting JPEG Compressed Images.
Proceedings of the 5th Color and Imaging Conference, 1997

Segmentation of Compressed Documents.
Proceedings of the Proceedings 1997 International Conference on Image Processing, 1997

Processing JPEG-Compressed Images.
Proceedings of the Proceedings 1997 International Conference on Image Processing, 1997

Downscaled inverses for M-channel lapped transforms.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

Universal descreening technique via wavelet analysis.
Proceedings of the Color Imaging: Device-Independent Color, 1997

1996
Variable-block-size lapped transforms.
IEEE Trans. Signal Process., 1996

The GenLOT: generalized linear-phase lapped orthogonal transform.
IEEE Trans. Signal Process., 1996

A pyramidal coder using a nonlinear filter bank.
Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

1995
On reconstruction methods for processing finite-length signals with paraunitary filter banks.
IEEE Trans. Signal Process., 1995

Extended lapped transform in image coding.
IEEE Trans. Image Process., 1995

On Orthogonal Transforms of Images Using Paraunitary Filter Banks.
J. Vis. Commun. Image Represent., 1995

Improved Chen-Smith image coder.
J. Electronic Imaging, 1995

Optimal orthogonal boundary filter banks.
Proceedings of the 1995 International Conference on Acoustics, 1995

1994
Generalized Linear-Phase Lapped Orthogonal Transforms.
Proceedings of the 1994 IEEE International Symposium on Circuits and Systems, ISCAS 1994, London, England, UK, May 30, 1994

On Symmetric Extensions, Orthogonal Transforms of Images, and Paraunitary Filter Banks.
Proceedings of the Proceedings 1994 International Conference on Image Processing, 1994

1993
Time-varying lapped transforms and wavelet packets.
IEEE Trans. Signal Process., 1993

On adaptive wavelet packets.
Proceedings of the 1993 IEEE International Symposium on Circuits and Systems, 1993

Adaptive extended lapped transforms.
Proceedings of the IEEE International Conference on Acoustics, 1993

1992
On the asymptotic performance of hierarchical transforms.
IEEE Trans. Signal Process., 1992

Human visual sensitivity-weighted progressive image transmission using the lapped orthogonal transform.
J. Electronic Imaging, 1992

Subband processing of finite length signals without border distortions.
Proceedings of the 1992 IEEE International Conference on Acoustics, 1992


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