Error Concealment Strategies for Multiview Video Transmission
Summary
Error concealment in multiview video transmission aims to mitigate the visual degradation caused by packet loss, frame corruption or network-induced errors in systems capturing a scene from multiple viewpoints. These strategies exploit redundancies both within each view (temporal correlation) and between views (spatial or disparity correlation) to reconstruct missing or damaged data at the decoder without modifying the encoder or increasing bandwidth. Temporal methods predict lost blocks using motion vectors derived from adjacent frames, while inter-view methods project corresponding blocks from neighbouring cameras via disparity estimation. Hybrid approaches combine both principles, often employing joint optimisation criteria such as minimum sum of absolute differences to select the best recovery candidate. Distributed video coding variants generate side information that is iteratively refined through regional motion analysis or frequency-domain fusion. Practical implementations balance concealment accuracy, computational load and coding overhead, underpinning applications ranging from 3D television and free-viewpoint video to immersive virtual-reality streaming. Recent advances have emphasised scalable architectures, real-time hardware acceleration and adaptive schemes that dynamically allocate resources for robust multiview delivery over heterogeneous networks.
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Error Concealment Strategies for Multiview Video Transmission publication trend
The graph below shows the total number of articles in error concealment strategies for multiview video transmission across all publications each year (not limited to Nature Index journals).
Technical terms
Multiview video: Video content captured simultaneously from multiple cameras providing diverse viewpoints of the same scene.
Error concealment: Decoder-side techniques that reconstruct lost or corrupted data without requiring retransmission.
Motion vector: A displacement vector indicating the movement of a block of pixels between successive frames.
Disparity vector: A spatial offset vector linking corresponding pixels or blocks between different camera views.
Side information: Predicted or interpolated data generated at the decoder to assist in reconstructing missing portions of a coded bitstream.
References
- Error concealment algorithm using inter-view correlation for multi-view video. EURASIP Journal on Image and Video Processing (2014).
- Novel Side Information Generation Algorithm of Multiview Distributed Video Coding for Multimedia Sensor Networks. International Journal of Distributed Sensor Networks (2012).
- Error Concealment Algorithms Applied on Multi-View Video Sequences. Acta Electrotechnica et Informatica (2011).
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