I am presently a fourth year postgraduate research student studying for a Doctor of Philosophy (PhD) degree in Computer Science at University of Warwick; I commenced the course in academic year 2013/14. Within the Department of Computer Science, I am working in the research domain of Methodologies & Applications. More specifically, I am a member of the Multimedia Processing & Computer Vision group working on High Efficiency Video Coding (HEVC) research.
Doctor of Philosophy (PhD) - Computer Science
The general research area on which I am presently focusing is the following video data compression standard: High Efficiency Video Coding (HEVC)/H.265; this video coding platform has been standardised by JCT-VC (ITU-T/ISO/IEC: VCEG & MPEG). In my current research undertakings, quantisation-related contributions are developed and proposed to exploit the maximum levels of lossy compression that can be applied to YCbCr chrominance data (chroma Cb and Cr) without incurring a palpable loss of perceptual reconstruction quality. Moreover, improving coding efficiency and decreasing runtimes are two of the main objectives of the research. (Link: Warwick Research Profile).
The following papers are selected examples of the work I have undertaken as a PhD student.
PEER REVIEWED PUBLICATIONS
Lee Prangnell and Victor Sanchez, "Adaptive Quantization Matrices for HD and UHD Resolutions in Scalable HEVC," IEEE Data Compression Conference 2016, Utah, United States, 2016. (PDF)
Lee Prangnell, Victor Sanchez and Rahul Vanam, "Adaptive Quantization by Soft Thresholding in HEVC," IEEE Picture Coding Symposium 2015, Queensland, Australia, 2015. (PDF)
IEEE Copyright Notice
Publications are included on this website with permission from IEEE. Internal or personal use of this material is permitted. However, permission to reprint or republish this material for advertising or promotional purposes, or for creating new collective works for resale or redistribution, must be obtained from IEEE by writing to firstname.lastname@example.org. By choosing to view these documents, you agree to all provisions of the copyright laws protecting them. For more details, visit: http://www.ieee.org/publications_standards/publications/rights/copyrightpolicy.html.
WORKING AND DISCUSSION PAPERS
Lee Prangnell and Victor Sanchez, "Color-Based Coding Unit Level Adaptive Quantization for HEVC," Working Paper, Mathematics Institute, University of Warwick, Coventry, UK, 2016.
Lee Prangnell and Victor Sanchez "Minimizing Compression Artifacts for High Resolutions with Adaptive Quantization Matrices for HEVC," Working Paper, Mathematics Institute, University of Warwick, Coventry, UK, 2016. (PDF)
Lee Prangnell, "Visible Light-Based Human Visual System Conceptual Model," Discussion Paper, Mathematics Institute, University of Warwick, Coventry, UK, 2016. (PDF)
Master of Science (MSc) - Information Technology
The following is a tabulated summary of the final module grades with which I was awarded.
Final Grade: Master of Science (MSc) degree with Distinction (First Class).