Resampling images to a regular grid from a non-regular subset of pixel positions using frequency selective reconstruction

J Seiler, M Jonscher, M Schöberl… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Even though image signals are typically defined on a regular 2D grid, there also exist many
scenarios where this is not the case and the amplitude of the image signal only is available …

Fast orthogonality deficiency compensation for improved frequency selective image extrapolation

J Seiler, A Kaup - … on Acoustics, Speech and Signal Processing, 2008 - ieeexplore.ieee.org
The purpose of this paper is to introduce a very efficient algorithm for signal extrapolation. It
can widely be used in many applications in image and video communication, eg for …

Frequency-selective mesh-to-grid resampling for image communication

J Koloda, J Seiler, A Kaup - IEEE Transactions on Multimedia, 2017 - ieeexplore.ieee.org
This paper presents a novel approach for image reconstruction from pixels located at
arbitrary noninteger positions, called mesh. This task forms an intrinsic part of various …

Increasing imaging resolution by non-regular sampling and joint sparse deconvolution and extrapolation

J Seiler, M Jonscher, T Ussmueller… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Increasing the resolution of image sensors has been a never ending struggle since many
years. In this paper, we propose a novel image sensor layout, which allows for the …

[PDF][PDF] A fast algorithm for selective signal extrapolation with arbitrary basis functions

J Seiler, A Kaup - EURASIP Journal on Advances in Signal Processing, 2011 - Springer
Signal extrapolation is an important task in digital signal processing for extending known
signals into unknown areas. The Selective Extrapolation is a very effective algorithm to …

Motion compensated three-dimensional frequency selective extrapolation for improved error concealment in video communication

J Seiler, A Kaup - Journal of Visual Communication and Image …, 2011 - Elsevier
During transmission of video data over error-prone channels the risk of getting severe image
distortions due to transmission errors is ubiquitous. To deal with image distortions at …

Multiple selection extrapolation for improved spatial error concealment

J Seiler, A Kaup - 2009 IEEE International Workshop on …, 2009 - ieeexplore.ieee.org
This contribution introduces a novel signal extrapolation algorithm and its application to
image error concealment. The signal extrapolation is carried out by iteratively generating a …

An error-based recursive filling ordering for image error concealment

J Koloda, J Seiler, A Kaup, V Sánchez… - … Conference on Image …, 2014 - ieeexplore.ieee.org
Many image error concealment (EC) algorithms can be employed to reconstruct a lost region
by dividing it into a set of (sub) blocks which are estimated from a set of known context …

Optimized processing order for 3D hole filling in video sequences using frequency selective extrapolation

J Seiler, S Schöll, W Schnurrer… - 2016 Picture Coding …, 2016 - ieeexplore.ieee.org
A problem often arising in video communication is the reconstruction of missing or distorted
areas in a video sequence. Such holes of unavailable pixels may be caused for example by …

Declip** of speech signals using frequency selective extrapolation

M Jonscher, J Seiler, A Kaup - Speech Communication; 11. ITG …, 2014 - ieeexplore.ieee.org
The reconstruction of clipped speech signals is an important task in audio signal processing
to achieve an enhanced audio quality for further processing. In this paper, Frequency …