2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper IDCOM-3.3
Paper Title SCALABLE CODING OF MOTION AND DEPTH FIELDS WITH SHARED BREAKPOINTS
Authors Reji Mathew, Yue Li, David Taubman, University of New South Wales, Australia
SessionCOM-3: Image and Video Communications
LocationArea H
Session Time:Tuesday, 21 September, 13:30 - 15:00
Presentation Time:Tuesday, 21 September, 13:30 - 15:00
Presentation Poster
Topic Image and Video Communications: Lossy coding of images & video
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract A new breakpoint adaptive DWT, referred to as tri-break, is currently being considered by standardization efforts in relation to JPEG 2000 Part 17 extensions. We first provide a summary of the tri-break transform and then explore its performance for coding motion fields. Experimental results show that significant gains can be achieved for coding piecewise smooth motion flows by employing the tri-break transform. We demonstrate the feasibility of utilising a common set of breakpoints for compressing depth maps and motion fields anchored at the same frame. We also extend prior work to decode motion vector fields directly onto a triangular mesh, enabling operations such as view warping to be defined on triangular cells which can be efficiently processed by GPU based architectures.