Search Results for author: Michael Schöberl

Found 4 papers, 0 papers with code

On the influence of clipping in lossless predictive and wavelet coding of noisy images

no code implementations11 Jan 2023 Wolfgang Schnurrer, Jürgen Seiler, Michael Schöberl, André Kaup

Especially in lossless image coding the obtainable compression ratio strongly depends on the amount of noise included in the data as all noise has to be coded, too.

Spatio-temporal error concealment in video by denoised temporal extrapolation refinement

no code implementations8 Jul 2022 Jürgen Seiler, Michael Schöberl, André Kaup

For this, Non-Local Means denoising is used which is extended by a spiral scan processing order and is improved by an adaptation step for taking the preliminary temporal extrapolation into account.

Denoising

Resampling Images to a Regular Grid from a Non-Regular Subset of Pixel Positions Using Frequency Selective Reconstruction

no code implementations27 Apr 2022 Jürgen Seiler, Markus Jonscher, Michael Schöberl, André Kaup

Even though image signals are typically defined on a regular two-dimensional grid, there also exist many scenarios where this is not the case and the amplitude of the image signal only is available for a non-regular subset of pixel positions.

SSIM

Dynamic Non-Regular Sampling Sensor Using Frequency Selective Reconstruction

no code implementations7 Apr 2022 Markus Jonscher, Jürgen Seiler, Daniela Lanz, Michael Schöberl, Michel Bätz, André Kaup

The main benefit of the proposed dynamic readout is that for each frame, different sampling points are available which is advantageous since this information can significantly enhance the reconstruction quality of the proposed reconstruction algorithm.

Super-Resolution

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