Variational methods for PDE-based image and video compression

T Jacumin - 2022 - theses.hal.science
In this thesis, we will propose mathematical models and methods based on partial
differential equations to compress images and videos. In the first part, we will propose a …

PDE-based image compression based on edges and optimal data

M Mainberger - 2014 - publikationen.sulb.uni-saarland.de
This thesis investigates image compression with partial differential equations (PDEs) based
on edges and optimal data. It first presents a lossy compression method for cartoon-like …

Adjoint Method in PDE-based Image Compression

T JACUMIN, Z Belhachmi - Authorea Preprints, 2023 - techrxiv.org
We consider a shape optimization based method for finding the best interpolation data in the
compression of images with noise. The aim is to reconstruct missing regions by means of …

Adjoint Method in PDE-based Image Compression

Z Belhachmi, T Jacumin - arXiv preprint arXiv:2302.02665, 2023 - arxiv.org
We consider a shape optimization based method for finding the best interpolation data in the
compression of images with noise. The aim is to reconstruct missing regions by means of …

Optimal interpolation data for PDE-based compression of images with noise

Z Belhachmi, T Jacumin - … in Nonlinear Science and Numerical Simulation, 2022 - Elsevier
We introduce and discuss shape-based models for finding the best interpolation data in the
compression of images with noise. The aim is to reconstruct missing regions by means of …

Iterative Approach to Image Compression with Noise: Optimizing Spatial and Tonal Data

Z Belhachmi, T Jacumin - 2023 - hal.science
We consider some iterative methods for finding the best interpolation data in the images
compression with noise. The interpolation data consists of the set of pixels and their …

Sobolev gradients and image interpolation

P Kazemi, I Danaila - SIAM Journal on Imaging Sciences, 2012 - SIAM
We present here a new image inpainting algorithm based on the Sobolev gradient method
in conjunction with the Navier–Stokes model. The original model of Bertalmío, Bertozzi, and …

[PDF][PDF] PDE based video compression in real time

H Köstler, M Stürmer, C Freundl, U Rüde - Lehrstuhl für Informatik, 2007 - academia.edu
We implement a video codec with a decompression scheme based on image inpainting
using different kinds of diffusion models. The arising PDEs are solved by an efficient …

Towards PDE-based image compression

I Galić, J Weickert, M Welk, A Bruhn, A Belyaev… - … Workshop on Variational …, 2005 - Springer
While methods based on partial differential equations (PDEs) and variational techniques are
powerful tools for denoising and inpainting digital images, their use for image compression …

[PDF][PDF] Videocoding using a variational approach for decompression

P Münch, H Köstler - Department of Computer Science, 2007 - cs.fau.de
This paper describes the coding of video data and presents a variational approach to
decompress the data. For encoding we select an adapted sub selection of all points in the …