The Joint Photographic Experts Group (JPEG) In the past, volumetric coding using Discrete Cosine committee (ISO/IEC JTC1I/SC29/WG1) is currently pursuing Transform (DCT) based techniques have been proposed for the standardization of a three-dimensional extension of the volumetric coding. However, these systems hardly meet the JPEG-2000 standard (Parts 1 and 2) to support the encoding of requirements imposed by the scalability paradigm. Hence, volumetric data sets. This extension, Part 10 -Extensions for JPEG has considered other methods that meet the aboveThree-Dimensional Data (JP3D), will support functionalities mentioned requirements. Typical examples are octave zerolike resolution scalability, quality scalability and region-oftree based wavelet coding and layered zero wavelet coding. interest coding, while exploiting the entropy in the additional Currently, these coder types deliver the best performance for third dimension to improve the rate-distortion performance. In lossy-to-lossless coding. A comparison of several of these this paper, we give an overview of the markets and application new approaches for volumetric wavelet coding was areas targeted by JP3D, the imposed requirements and the elaborately discussed in [4]. This study showed that most algorithm under study.eaoaeydsusdm[] hssuysoe htms promising results were delivered by two codecs, namely (1) the 3D Quadtree Limited coder (3D QT-L) that combines the
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