Publication
JPEG AIC-3 Dataset: Towards Defining the High Quality to Nearly Visually Lossless Quality Range
Related publications (69)
Subjective performance evaluation of bitrate allocation strategies for MPEG and JPEG Pleno point cloud compression
Touradj Ebrahimi, Michela Testolina, Davi Nachtigall Lazzarotto
The recent rise in interest in point clouds as an imaging modality has motivated standardization groups such as JPEG and MPEG to launch activities aiming at developing compression standards for point clouds. Lossy compression usually introduces visual arti ...
Springer2024On the Performance of Subjective Visual Quality Assessment Protocols for Nearly Visually Lossless Image Compression
Touradj Ebrahimi, Michela Testolina
The past decades have witnessed rapid growth in imaging as a major form of communication between individuals. Due to recent advances in capture, storage, delivery and display technologies, consumers demand improved perceptual quality while requiring reduce ...
2023On the assessment of high-quality images: advances on the JPEG AIC-3 activity
Touradj Ebrahimi, Evgeniy Upenik, Michela Testolina
Recent advances in image compression have made it both possible and desirable for image quality to approach the visually lossless range. However, the most commonly used subjective visual quality assessment protocols, e.g. those reported in ITU-T Rec. BT.50 ...
2023Towards JPEG AIC part 3: visual quality assessment of high to visually lossless image coding
Touradj Ebrahimi, Evgeniy Upenik, Michela Testolina
Due to the increasing number of pictures captured and stored every day by and on digital devices, lossy image compression has become inevitable to limit the needed storage requirement. As a consequence, these compression methods might introduce some visual ...
SPIE2022Influence of Spatial Rendering on the Performance of Point Cloud Objective Quality Metrics
Touradj Ebrahimi, Michela Testolina
The use of point clouds to digitally represent three-dimensional objects with both geometry and color attributes is rapidly increasing in several applications. Since storage and transmission of uncompressed point cloud data are often impractical, several l ...
IEEE2022reference image data (primary views) for an office building near LAX
image data compressed by view and season (months 1-2-3, 4-5-6, 7-8-9, 10-11-12) see 10.5281/zenodo.6322418 for source files ...
Zenodo2022Performance Evaluation of Objective Image Quality Metrics on Conventional and Learning-Based Compression Artifacts
Touradj Ebrahimi, Evgeniy Upenik, Michela Testolina
Lossy image compression is a popular, simple and effective solution to reduce the amount of data representing digital pictures. In most lossy compression methods, the reduced volume of data in bits is achieved at the expense of introducing visual artifacts ...
2021Review of subjective quality assessment methodologies and standards for compressed images evaluation
Touradj Ebrahimi, Michela Testolina
Acquiring and exchanging a large number of pictures has become nowadays a common practice. Therefore, new image compression solutions to optimize the storage resources are in constant demand. In this context, it is essential to have a solid methodology to ...
SPIE2021Perceptual Quality of Point Clouds with application to Compression
Modern information technologies and human-centric communication systems employ advanced content representations for richer portrayals of the real world. The newly adopted imaging modalities offer additional information cues and permit the depiction of real ...
EPFL2021High-Throughput Lossy-to-Lossless 3D Image Compression
Gilles Fourestey, Félix Schmidt
The rapid increase in medical and biomedical image acquisition rates has opened up new avenues for image analysis, but has also introduced formidable challenges. This is evident, for example, in selective plane illumination microscopy where acquisition rat ...
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021