Error detection and concealment for video transmission using information hiding

2008-04-01
Video transmission over noisy channels makes error concealment an indispensable job. Utilization of data hiding for this problem provides a reserve information about the content at the receiver, while unchanging the transmitted bit-stream syntax; hence, improves the reconstructed video quality with almost no extra channel utilization. A spatial domain error concealment technique, which hides edge orientation information of a block, and a resynchronization technique, which embeds bit-length of a block into other blocks are composed. The proposed method also exploits these two techniques for detecting errors via some extra parity information. Moreover, the motion vectors between consecutive frames are also embedded into the consecutive frames for better concealment at the receiver. Finally, as a novel approach, the bit-streams are further protected against errors via channel codes and the parity bits of these codes are embedded into other slices. In this manner, implicit utilization of error correction codes improves the reconstruction quality significantly. The simulation results show that the proposed approaches perform quite promising for concealing the errors in any compressed video bitstream.
SIGNAL PROCESSING-IMAGE COMMUNICATION

Suggestions

Robust video transmission using data hiding
Yılmaz, Ayhan; Alatan, Abdullah Aydın; Department of Electrical and Electronics Engineering (2003)
Video transmission over noisy wireless channels leads to errors on video, which degrades the visual quality notably and makes error concealment an indispensable job. In the literature, there are several error concealment techniques based on estimating the lost parts of the video from the available data. Utilization of data hiding for this problem, which seems to be an alternative of predicting the lost data, provides a reserve information about the video to the receiver while unchanging the transmitted bit-...
End-to-end stereoscopic video streaming with content-adaptive rate and format control
Aksay, Anil; Pehlivan, Selen; Akar, Gözde; Bilen, Cagdas; OZCELEBİ, Tanir; Civanlar, M. Reha; Tekalp, A. Murat (Elsevier BV, 2007-02-01)
We address efficient compression and real-time streaming of stereoscopic video over the current Internet. We first propose content-adaptive stereo video coding (CA-SC), where additional coding gain, over that can be achieved by exploiting only inter-view correlations, is targeted by clown-sampling one of the views spatially or temporally depending on the content, based on the well-known theory that the human visual system can perceive high frequencies in three-dimensional (3D) from the higher quality view. ...
Channel Matrix Recursion for Blind Effective Channel Order Estimation
Karakutuk, Serkan; Tuncer, Temel Engin (Institute of Electrical and Electronics Engineers (IEEE), 2011-04-01)
Channel order estimation is a critical task for blind system identification. The performance of the blind system identification algorithms depends on the accuracy and robustness of the channel order estimation. In this paper, a new effective channel order estimation algorithm with high accuracy and robustness is proposed for single-input multi-output (SIMO) systems. The proposed algorithm is guaranteed to find the true channel order for the noise-free case and it performs significantly better than the alter...
Detection Schemes for High Order M-Ary QAM Under Transmit Nonlinearities
Gulgun, Ziya; Yılmaz, Ali Özgür (Institute of Electrical and Electronics Engineers (IEEE), 2019-07-01)
Nonlinearities in various stages of a transmitter may hinder and restrict the transmission rate. As observed in many studies, outermost constellation points are usually more adversely affected by these impairments. To observe these effects, we utilize two power amplifier models that have different effects on transmitted signals. The Rapp model considers only amplitude deformation and the resultant in-phase and quadrature errors can be assumed to be independent on the receiver side. Unlike the Rapp model, th...
Information permeability for stereo matching
Cigla, Cevahir; Alatan, Abdullah Aydın (Elsevier BV, 2013-10-01)
A novel local stereo matching algorithm is introduced to address the fundamental challenge of stereo algorithms, accuracy and computational complexity dilemma. The time consuming intensity dependent aggregation procedure of local methods is improved in terms of both speed and precision. Providing connected 2D support regions, the proposed approach exploits a new paradigm, namely separable successive weighted summation (SWS) among horizontal and vertical directions enabling constant operational complexity. T...
Citation Formats
A. YILMAZ and A. A. Alatan, “Error detection and concealment for video transmission using information hiding,” SIGNAL PROCESSING-IMAGE COMMUNICATION, pp. 298–312, 2008, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39118.