2D Frequency Selective Extrapolation for Spatial Error Concealment in H.264/AVC Video Coding

Meisinger, Katrin; Kaup, André

doi:10.1109/icip.2006.313014

Cited by 5 publications

(3 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Since the 3-D extrapolation does not use any information based on motion vectors, the method is also applied to Intra coded frames. Except for the first frame which is concealed by the 2-D extrapolation method [5] because no motion information is available. These investigations form the second set of experiments where the performance is compared against the spatial concealment method used in the reference software for a sequence of only Intra coded frames.…”

Section: B Realisation In the H264 Codermentioning

confidence: 99%

See 1 more Smart Citation

Spatio-Temporal Concealment in H.264/AVC Video Coding by 3-D Selective Extrapolation

Meisinger

Martin

Kaup

2006

2006 IEEE Workshop on Multimedia Signal Processing

Self Cite

View full text Add to dashboard Cite

In this contribution, we derive a spatio-temporal extrapolation method for 3-D signals. Lost areas in video signals caused by transmission errors in video communications are concealed by extrapolating the surrounding video signal into the missing area. The method is integrated into the H.264/AVC coder as concealment feature. By exploiting spatial and temporal correlations at the same time, it is possible to inherently compensate motion. Deviations in luminance occurring from frame to frame can be compensated, too. Since the spatio-temporal selective extrapolation method does not rely on motion vectors, the algorithm can be also easily applied to Intra concealment by additionally exploiting temporal correlations. Further, the frequency selective extrapolation shows especially convincing results in connection with Flexible Macroblock Ordering (FMO) causing a chequerboard like loss pattern in case of transmission errors.

show abstract

Section: B Realisation In the H264 Codermentioning

confidence: 99%

“…In [3], 2-D frequency selective extrapolation is applied to concealment problems in image communications, see also [4] for the application to uncoded and [5] to H.264/AVC coded data, respectively.…”

Section: Introductionmentioning

confidence: 99%

Spatio-Temporal Concealment in H.264/AVC Video Coding by 3-D Selective Extrapolation

Meisinger

Martin

Kaup

2006

2006 IEEE Workshop on Multimedia Signal Processing

Self Cite

View full text Add to dashboard Cite

show abstract

“…Spatial error concealment (SEC) is the process of recovering lost macroblocks (MB) by employing the correlation between the lost MB and its correctly received neighboring MBs [2]. Previous works on SEC include methods that estimate missing blocks in transform domain [3]. Hybrid methods [4,5,6] employ the DCT coefficients to produce some smoothing constrains in order to estimate the missing block [4,5] or to generate some interpolation matrices [6].…”

Section: Introductionmentioning

confidence: 99%

A Gaussian Process Regression Framework for Spatial Error Concealment with Adaptive Kernels

Asheri

Rabiee

Pourdamghani

et al. 2010

2010 20th International Conference on Pattern Recognition

View full text Add to dashboard Cite

We have developed a Gaussian Process Regression method with adaptive kernels for concealment of the missing macro-blocks of block-based video compression schemes in a packet video system. Despite promising results, the proposed algorithm introduces a solid framework for further improvements. In this paper, the problem of estimating lost macro-blocks will be solved by estimating the proper covariance function of the Gaussian process defined over a region around the missing macro-blocks (i.e. its kernel function). In order to preserve block edges, the kernel is constructed adaptively by using the local edge related information. Moreover, we can achieve more improvements by local estimation of the kernel parameters. While restoring the prominent edges of the missing macro-blocks, the proposed method produces perceptually smooth concealed frames. Objective and subjective evaluations verify the effectiveness of the proposed method.

show abstract

Error Concealment via Best Matching Block Selection Strategy

Yao

Hong

Cheng

2013

Lecture Notes in Electrical Engineering

View full text Add to dashboard Cite

2D Frequency Selective Extrapolation for Spatial Error Concealment in H.264/AVC Video Coding

Cited by 5 publications

References 5 publications

Spatio-Temporal Concealment in H.264/AVC Video Coding by 3-D Selective Extrapolation

Spatio-Temporal Concealment in H.264/AVC Video Coding by 3-D Selective Extrapolation

A Gaussian Process Regression Framework for Spatial Error Concealment with Adaptive Kernels

Error Concealment via Best Matching Block Selection Strategy

Contact Info

Product

Resources

About