3 papers
eess.IV2025
End-to-End Semantic Preservation in Text-Aware Image Compression Systems
Stefano Della Fiore, Alessandro Gnutti, Marco Dalai +2
Traditional image compression methods aim to reconstruct images for human perception, prioritizing visual fidelity over task relevance. In contrast, Coding for Machines focuses on…
eess.IV2024
Learning Optimal Linear Block Transform by Rate Distortion Minimization
Alessandro Gnutti, Chia-Hao Kao, Wen-Hsiao Peng +1
Linear block transform coding remains a fundamental component of image and video compression. Although the Discrete Cosine Transform (DCT) is widely employed in all current compres…
eess.IV2024
Variable-size Symmetry-based Graph Fourier Transforms for image compression
Alessandro Gnutti, Fabrizio Guerrini, Riccardo Leonardi +1
Modern compression systems use linear transformations in their encoding and decoding processes, with transforms providing compact signal representations. While multiple data-depend…