no code implementations • 25 Mar 2025 • Stefano Della Fiore, Alessandro Gnutti, Marco Dalai, Pierangelo Migliorati, Riccardo Leonardi
Traditional image compression methods aim to faithfully reconstruct images for human perception.
1 code implementation • 4 Dec 2024 • Edoardo Daniele Cannas, Sara Mandelli, Nataša Popović, Ayman Alkhateeb, Alessandro Gnutti, Paolo Bestagini, Stefano Tubaro
In this paper, we investigate the counter-forensic effects of the new JPEG AI standard based on neural image compression, focusing on two critical areas: deepfake image detection and image splicing localization.
no code implementations • 27 Nov 2024 • Alessandro Gnutti, Chia-Hao Kao, Wen-Hsiao Peng, Riccardo Leonardi
Linear block transform coding remains a fundamental component of image and video compression.
no code implementations • 24 Nov 2024 • Alessandro Gnutti, Fabrizio Guerrini, Riccardo Leonardi, Antonio Ortega
Modern compression systems use linear transformations in their encoding and decoding processes, with transforms providing compact signal representations.
no code implementations • 29 Jul 2024 • Chia-Hao Kao, Cheng Chien, Yu-Jen Tseng, Yi-Hsin Chen, Alessandro Gnutti, Shao-Yuan Lo, Wen-Hsiao Peng, Riccardo Leonardi
This paper presents the first-ever study of adapting compressed image latents to suit the needs of downstream vision tasks that adopt Multimodal Large Language Models (MLLMs).
no code implementations • 20 Feb 2024 • Yi-Hsin Chen, Kuan-Wei Ho, Shiau-Rung Tsai, Guan-Hsun Lin, Alessandro Gnutti, Wen-Hsiao Peng, Riccardo Leonardi
Instead of training separate decoders for these tasks, we incorporate two add-on modules to adapt a pre-trained image decoder from performing the standard image reconstruction to joint decoding and denoising.
no code implementations • 12 Jan 2024 • Alessandro Gnutti, Stefano Della Fiore, Mattia Savardi, Yi-Hsin Chen, Riccardo Leonardi, Wen-Hsiao Peng
In this paper, we introduce a novel direction that harnesses LiDAR depth maps to enhance the compression of the corresponding RGB camera images.
1 code implementation • 12 Jul 2022 • Yung-Han Ho, Chih-Peng Chang, Peng-Yu Chen, Alessandro Gnutti, Wen-Hsiao Peng
CANF-VC represents a new attempt that leverages the conditional ANF to learn a video generative model for conditional inter-frame coding.