Search Results - "Pinheiro, Antonio M.G"

JPEG Pleno: Providing representation interoperability for holographic applications and devices by Schelkens, Peter, Ebrahimi, Touradj, Gilles, Antonin, Gioia, Patrick, Oh, Kwan-Jung, Pereira, Fernando, Perra, Cristian, Pinheiro, Antonio M.G

“…Guaranteeing interoperability between devices and applications is the core role of standards organizations. Since its first JPEG standard in 1992, the Joint…”
Get full text

A Two-Step Segmentation Method for Breast Ultrasound Masses Based on Multi-resolution Analysis by Rodrigues, Rafael, Braz, Rui, Pereira, Manuela, Moutinho, José, Pinheiro, Antonio M.G

“…Abstract Breast ultrasound images have several attractive properties that make them an interesting tool in breast cancer detection. However, their intrinsic…”
Get full text

Quality evaluation of point cloud compression techniques by Prazeres, Joao, Pereira, Manuela, Pinheiro, Antonio M.G.

“…A study on the quality evaluation of point clouds in the presence of coding distortions is presented. For that, four different point cloud coding solutions,…”
Get full text

Quality Evaluation of Holographic Images Coded With Standard Codecs by Amirpour, Hadi, Pinheiro, Antonio M. G., Fonseca, Elsa, Ghanbari, Mohammad, Pereira, Manuela

“…Recently, a larger interest in the different plenoptic formats, including digital holograms, has emerged. Aside from other challenges that several steps of the…”
Get full text

Reliability of the Most Common Objective Metrics for Light Field Quality Assessment by Amirpour, Hadi, Pinheiro, Antonio M. G., Pereira, Manuela, Ghanbari, Mohammad

“…Light field imaging is a promising technology for 3D computational photography. As Light Field images are represented for multiple views, their subjective…”
Get full text

JPEG Pleno: Providing representation interoperability for holographic applications and devices by Schelkens, Peter, Ebrahimi, Touradj, Gilles, Antonin, Gioia, Patrick, Oh, Kwan‐Jung, Pereira, Fernando, Perra, Cristian, Pinheiro, Antonio M. G.

“…Guaranteeing interoperability between devices and applications is the core role of standards organizations. Since its first JPEG standard in 1992, the Joint…”
Get full text

JPEG Pleno Learning-Based Point Cloud Coding: A Performance Analysis by Prazeres, Joao, Rodrigues, Rafael, Pereira, Manuela, Pinheiro, Antonio M. G.

“…In this paper, a stability analysis of the JPEG Pleno Learning-based Point Cloud Coding Verification Model (VmUC) is performed. The codec is a deep…”
Get full text

Benchmarking of objective quality metrics for HDR image quality assessment by Hanhart, Philippe, Bernardo, Marco V., Pereira, Manuela, G. Pinheiro, António M., Ebrahimi, Touradj

“…Recent advances in high dynamic range (HDR) capture and display technologies have attracted a lot of interest from scientific, professional, and artistic…”
Get full text

JPEG Pleno Call for Proposals Responses Quality Assessment by Prazeres, Joao, Luo, Zhe, Pinheiro, Antonio M. G., da Silva Cruz, Luis A., Perry, Stuart

“…In this paper, the quality evaluation of the responses to the Call for Proposals (CfP) of JPEG Pleno Point Cloud Coding is presented. Three responses to the…”
Get full text

Quality Evaluation Of Digital Holographic Data Encoded On The Object Plane Using State Of The Art Codecs by Amirpour, Hadi, Pinheiro, Antonio M. G., Fonseca, Elsa, Ghanbari, Mohammad, Pereira, Manuela

“…Recently, there has been a growing interest in the various formats of plenoptic information, including digital holograms. However, the reduced number of…”
Get full text

Audiovisual quality of live music streaming over mobile networks using MPEG-DASH by Rodrigues, Rafael, Pocta, Peter, Melvin, Hugh, Bernardo, Marco V., Pereira, Manuela, Pinheiro, Antonio M. G.

“…The MPEG-DASH protocol has been rapidly adopted by most major network content providers and enables clients to make informed decisions in the context of HTTP…”
Get full text

Severity Classification in Cases of Collagen Vi-Related Myopathy with Convolutional Neural Networks and Handcrafted Texture Features by Rodrigues, Rafael, Quijano-Roy, Susana, Carlier, Robert-Yves, Pinheiro, Antonio M. G.

“…Magnetic Resonance Imaging (MRI) is a non-invasive tool for the clinical assessment of low-prevalence neuromuscular disorders. Automated diagnosis methods…”
Get full text

Texture Analysis Of T1-Weighted Turbo Spin-Echo Mri For The Diagnosis And Follow-Up Of Collagen Vi-Related Myopathy by Rodrigues, Rafael, de la Banda, Marta Gomez-Garcia, Tordjman, Mickael, Gomez-Andres, David, Quijano-Roy, Susana, Carlier, Robert-Yves, Pinheiro, Antonio M. G.

“…Muscle texture analysis in Magnetic Resonance Imaging (MRI) has revealed a good correlation with typical histological changes resulting from neuromuscular…”
Get full text

LDR images generation with JPEG-XT decoded HDR images by Pinheiro, Antonio M. G., Bernardo, Marco V., Pereira, Manuela

“…This paper studies the influence of JPEG-XT on LDR generation using TMOs'. JPEG-XT encodes HDR images into a two layer scheme, encoding a LDR version of the…”
Get full text

Iris Biometrics: Synthesis of Degraded Ocular Images by Cardoso, L., Barbosa, A., Silva, F., Pinheiro, A. M. G., Proenca, H.

“…Iris recognition is a popular technique for recognizing humans. However, as is the case with most biometric traits, it is difficult to collect data that are…”
Get full text

Holographic representation: Hologram plane vs. object plane by Bernardo, Marco V., Fernandes, Pedro, Arrifano, Angelo, Antonini, Marc, Fonseca, Elsa, Fiadeiro, Paulo T., Pinheiro, António M.G., Pereira, Manuela

“…Digital holography allows the recording, storage and subsequent reconstruction of both amplitude and phase of the light field scattered by an object. This is…”
Get full text

On the stability of point cloud machine learning based coding by Prazeres, Joao, Rodrigues, Rafael, Pereira, Manuela, Pinheiro, Antonio M. G.

“…This paper analyses the performance of two of the most well known deep learning-based point cloud coding solutions, considering the training conditions…”
Get full text

Quality evaluation of the JPEG Pleno Holography Call for Proposals response by Prazeres, Joao, Gilles, Antonin, Kizhakkumkara Muhammad, Raees, Birnbaum, Tobias, Schelkens, Peter, Pinheiro, Antonio M. G.

“…At its 93rd meeting, JPEG received the responses to the Call for Proposals on JPEG Pleno holography. This activity will lead to the first standardized coding…”
Get full text

Optic Disc Localization in Retinal Images Based on Cumulative Sum Fields by Soares, Ivo, Castelo-Branco, Miguel, Pinheiro, Antonio M. G.

“…This paper describes an automatic method for the optic disc localization in retinal images, which is effective and reliable with multiple datasets…”
Get full text

Efficient coding of experimental holograms using speckle denoising by Bernardo, Marco V., Fonseca, Elsa, Pinheiro, António M.G., Fiadeiro, Paulo T., Pereira, Manuela

“…Lossy compression for Experimental Holograms (EH) and Computer-Generated Holograms (CGH) using standardized coding solutions is a highly efficient process…”
Get full text