Robust principal component analysis of ultrasonic sectorial scans for defect detection in weld inspection

Autor: Stephen James Mein, Ray Turner, Andrew David John Nixon, Bryan Cassels, Thomas Barber, Lik-Kwan Shark

Publikováno v: Multimodal Sensing: Technologies and Applications.

A single weld defect in a safety-critical engineering structure has the potential to incur high monetary costs, damage to the environment or loss of human life. This makes comprehensive non-destructive internal and external inspection of these welds

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdf22f56f338f81373f94decbf23a919
https://doi.org/10.1117/12.2527622

Fast Adaptive Hierarchical Prediction Algorithm for H.264/AVC Scalable Video Coding

Autor: Stephen James Mein, Djamel Ait-Boudaoud, Abdelrahman Abdelazim, Martin Roy Varley

Publikováno v: IPSJ Transactions on Computer Vision and Applications. 4:12-19

The objective of scalable video coding (SVC) is to enable the generation of a unique bitstream that can adapt to various bit-rates, transmission channels and display capabilities. The scalability is categorised in terms of temporal, spatial, and qual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db04273e011549a09f2ae06e2dae3811
https://doi.org/10.2197/ipsjtcva.4.12

Fast prediction algorithm for multiview video coding

Autor: Abdelrahman Abdelazim, Djamel Ait-Boudaoud, Martin Roy Varley, Stephen James Mein

Publikováno v: Abdelazim, A, Mein, S, Varley, M & Ait-Boudaoud, D 2013, ' Fast prediction algorithm for multiview video coding ', Optical Engineering, vol. 52, no. 3, pp. 037401 . https://doi.org/10.1117/1.OE.52.3.037401

The H.264/multiview video coding (MVC) standard has been developed to enable efficient coding for three-dimensional and multiple viewpoint video sequences. The inter-view statistical dependencies are utilized and an inter-view prediction is employed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c8c208cfead215db79412f455192667
https://researchportal.port.ac.uk/portal/en/publications/fast-prediction-algorithm-for-multiview-video-coding(3f8d53de-09c4-4f0d-8d63-0f110ac21b61).html

Fast mode decision for the H.264∕AVC video coding standard based on frequency domain motion estimation

Autor: Stephen James Mein, Abdelrahman Abdelazim, Djamel Ait-Boudaoud, Martin Roy Varley

Publikováno v: Abdelazim, A, Mein, S, Varley, M & Ait-Boudaoud, D 2011, ' Fast mode decision for the H.264∕AVC video coding standard based on frequency domain motion estimation ', Optical Engineering, vol. 50, no. 7, pp. 070501 . https://doi.org/10.1117/1.3597609

The intra-mode and inter-mode predictions have been made available in H.264/AVC for effectively improving coding efficiency. However, exhaustively checking for all the prediction modes for identifying the best one (commonly referred to as exhaustive

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9fd0253f8450362eda4277c155f1eb6
https://researchportal.port.ac.uk/portal/en/publications/fast-mode-decision-for-the-h264avc-video-coding-standard-based-on-frequency-domain-motion-estimation(55e951a4-3550-429b-b646-736701521f42).html

Phase correlation based adaptive mode decision for the H.264/AVC

Autor: Stephen James Mein, Abdelrahman Abdelazim, Christos Grecos, Martin Roy Varley, Djamel Ait-Boudaoud

Publikováno v: Real-Time Image and Video Processing

The H.264 video coding standard achieves high performance compression and image quality at the expense of increased encoding complexity, due to the very refined Motion Estimation (ME) and mode decision processes. This paper focuses on decreasing the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52734b75f23844c5563d8b61af3025be
https://doi.org/10.1117/12.873077