181 citations · 286 across the 67 of their papers we have counts for
30 papers · 1 filter
VIP: Visual Information Protection through Adversarial Attacks on Vision-Language Models
Hanene F. Z. Brachemi Meftah, Wassim Hamidouche, Sid Ahmed Fezza +1
Recent years have witnessed remarkable progress in developing Vision-Language Models (VLMs) capable of processing both textual and visual inputs. These models have demonstrated imp…
360-Degree Video Super Resolution and Quality Enhancement Challenge: Methods and Results
Ahmed Telili, Wassim Hamidouche, Ibrahim Farhat +12
Omnidirectional (360-degree) video is rapidly gaining popularity due to advancements in immersive technologies like virtual reality (VR) and extended reality (XR). However, real-ti…
ODVista: An Omnidirectional Video Dataset for super-resolution and Quality Enhancement Tasks
Ahmed Telili, Ibrahim Farhat, Wassim Hamidouche +1
Omnidirectional or 360-degree video is being increasingly deployed, largely due to the latest advancements in immersive virtual reality (VR) and extended reality (XR) technology. H…
NERV++: An Enhanced Implicit Neural Video Representation
Ahmed Ghorbel, Wassim Hamidouche, Luce Morin
Neural fields, also known as implicit neural representations (INRs), have shown a remarkable capability of representing, generating, and manipulating various data types, allowing f…
UAV Immersive Video Streaming: A Comprehensive Survey, Benchmarking, and Open Challenges
Mohit K. Sharma, Chen-Feng Liu, Ibrahim Farhat +3
Over the past decade, the utilization of UAVs has witnessed significant growth, owing to their agility, rapid deployment, and maneuverability. In particular, the use of UAV-mounted…
Video Quality Assessment and Coding Complexity of the Versatile Video Coding Standard
Thomas Amestoy, Naty Sidaty, Wassim Hamidouche +2
In recent years, the proliferation of multimedia applications and formats, such as IPTV, Virtual Reality (VR, 360-degree), and point cloud videos, has presented new challenges to t…
Efficient Predictive Coding of Intra Prediction Modes
Kevin Reuzé, Wassim Hamidouche, Pierrick Philippe +1
The high efficiency video coding (HEVC) standard and the joint exploration model (JEM) codec incorporate 35 and 67 intra prediction modes (IPMs) respectively, which are essential f…
Convex Hull Prediction Methods for Bitrate Ladder Construction: Design, Evaluation, and Comparison
Ahmed Telili, Wassim Hamidouche, Hadi Amirpour +3
HTTP adaptive streaming (HAS) has emerged as a prevalent approach for over-the-top (OTT) video streaming services due to its ability to deliver a seamless user experience. A fundam…
2BiVQA: Double Bi-LSTM based Video Quality Assessment of UGC Videos
Ahmed Telili, Sid Ahmed Fezza, Wassim Hamidouche +1
Recently, with the growing popularity of mobile devices as well as video sharing platforms (e.g., YouTube, Facebook, TikTok, and Twitch), User-Generated Content (UGC) videos have b…
Ensemble Learning for Efficient VVC Bitrate Ladder Prediction
Fatemeh Nasiri, Wassim Hamidouche, Luce Morin +2
Changing the encoding parameters, in particular the video resolution, is a common practice before transcoding. To this end, streaming and broadcast platforms benefit from so-called…
Performance Analysis of Optimized Versatile Video Coding Software Decoders on Embedded Platforms
Anup Saha, Wassim Hamidouche, Miguel Chavarrías +3
In recent years, the global demand for high-resolution videos and the emergence of new multimedia applications have created the need for a new video coding standard. Hence, in July…
Deep-based Film Grain Removal and Synthesis
Zoubida Ameur, Wassim Hamidouche, Edouard François +3
In this paper, deep learning-based techniques for film grain removal and synthesis that can be applied in video coding are proposed. Film grain is inherent in analog film content b…
OpenVVC: a Lightweight Software Decoder for the Versatile Video Coding Standard
Thomas Amestoy, Pierre-loup Cabarat, Guillaume Gautier +2
In the recent years, users requirements for higher resolution, coupled with the apparition of new multimedia applications, have created the need for a new video coding standard. Th…
CAESR: Conditional Autoencoder and Super-Resolution for Learned Spatial Scalability
Charles Bonnineau, Wassim Hamidouche, Jean-François Travers +3
In this paper, we present CAESR, an hybrid learning-based coding approach for spatial scalability based on the versatile video coding (VVC) standard. Our framework considers a low-…
Prediction-Aware Quality Enhancement of VVC Using CNN
Fatemeh Nasiri, Wassim Hamidouche, Luce Morin +2
The upcoming video coding standard, Versatile Video Coding (VVC), has shown great improvement compared to its predecessor, High Efficiency Video Coding (HEVC), in terms of bitrate…
Perceptual Quality Assessment of HEVC and VVC Standards for 8K Video
Charles Bonnineau, Wassim Hamidouche, Jerome Fournier +3
With the growing data consumption of emerging video applications and users requirement for higher resolutions, up to 8K, a huge effort has been made in video compression technologi…
Lightweight Hardware Transform Design for the Versatile Video Coding 4K ASIC Decoders
Ibrahim Farhat, Wassim Hamidouche, Adrien Grill +2
Versatile Video Coding (VVC) is the next generation video coding standard finalized in July 2020. VVC introduces new coding tools enhancing the coding efficiency compared to its pr…
NTIRE 2021 Challenge on Perceptual Image Quality Assessment
Jinjin Gu, Haoming Cai, Chao Dong +47
This paper reports on the NTIRE 2021 challenge on perceptual image quality assessment (IQA), held in conjunction with the New Trends in Image Restoration and Enhancement workshop (…
Versatile Video Coding Standard: A Review from Coding Tools to Consumers Deployment
Wassim Hamidouche, Thibaud Biatek, Mohsen Abdoli +5
The amount of video content and the number of applications based on multimedia information increase each day. The development of new video coding standards is a challenge to increa…
A CNN-based Prediction-Aware Quality Enhancement Framework for VVC
Fatemeh Nasiri, Wassim Hamidouche, Luce Morin +2
This paper presents a framework for Convolutional Neural Network (CNN)-based quality enhancement task, by taking advantage of coding information in the compressed video signal. The…
Model Selection CNN-based VVC QualityEnhancement
Fatemeh Nasiri, Wassim Hamidouche, Luce Morin +2
Artifact removal and filtering methods are inevitable parts of video coding. On one hand, new codecs and compression standards come with advanced in-loop filters and on the other h…
Conditional Coding for Flexible Learned Video Compression
Théo Ladune, Pierrick Philippe, Wassim Hamidouche +2
This paper introduces a novel framework for end-to-end learned video coding. Image compression is generalized through conditional coding to exploit information from reference frame…
Light Field Image Coding Using VVC standard and View Synthesis based on Dual Discriminator GAN
Nader Bakir, Wassim Hamidouche, Sid Ahmed Fezza +2
Light field (LF) technology is considered as a promising way for providing a high-quality virtual reality (VR) content. However, such an imaging technology produces a large amount…
Machine Learning based Efficient QT-MTT Partitioning Scheme for VVC Intra Encoders
Alexandre Tissier, Wassim Hamidouche, Souhaiel Belhadj Dit Mdalsi +3
The next-generation Versatile Video Coding (VVC) standard introduces a new Multi-Type Tree (MTT) block partitioning structure that supports Binary-Tree (BT) and Ternary-Tree (TT) s…