Review of Advanced Coding

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1 Review of Advanced Coding JPEG2000 H.264 MPEG-21

2 What is JPEG 2000? JPEG 2000 is a wavelet-based image-compression standard, developed by the same ISO committee that previously developed JPEG, although with a different group of participants and contributors. JPEG 2000 was conceived as a next generation image compression standard that would improve on the performance of JPEG while, more significantly, adding features and capabilities not available with Baseline JPEG compression.

3 Why use JPEG 2000? Open Standard Royalty free One master supports multiple derivatives One file for both lossless and lossy data Progressive display and scalable rendering One algorithm for both lossless and lossy compression Region-of-Interest (ROI) on coding and access Easily handles large images Multiple components and high bit-depth images Generous metadata support

4 JPEG 2000 Standard - Parts 1-6 Part 1: Core Coding System Part 3: Motion JPEG2000 Part 4: Conformance Testing Part 6: Compound Image File Format Part 2: Extensions Part 5: Reference Software

5 JPEG 2000 Standard - Parts 8-13 Part 8: JPSEC Secure JPEG2000 Part 9: JPIP Interactivity Tools Part 10: JP3D 3D & Floating Pt Part 11: JPWL Wireless Part 12: ISO Media File Format Part 13: Entry-Level JPEG2000 Encoder Key Encode Under Development Published

6 One Master Multiple Derivatives A single JPEG2000 master can serve multiple uses Scale by resolution Thumbnail image Screen resolution image Print quality image Scale by quality Lossless Lossy Preset file size Key enabling technologies Wavelet transform Embedded block coding

7 One Master Multiple Derivatives Master Image Derived Image Medium Low Thumbnail res res image Packets reordered by layer Codestream truncated Region ofby quality Interest Selected

8 JPEG 2000 File Format Family JP2 (JPEG 2000 Core, Part 1) Single image, continuous codestream JPX (JPEG 2000 Extensions, Part 2) Multiple codestreams, possibly fragmented MJ2 (Motion JPEG 2000, Part 3) Timed sequence of JPEG 2000 images Intra-frame coding only JPM (JPEG 2000 Multi-Layer, Part 6) MRC model for compound document images Multiple images (binary and contone) and pages

9 Chronological Table of Video Coding Standards ITU-T VCEG H.261 (1990) ISO/IEC MPEG MPEG-1 (1993) H.263 (1995/96) H.263+ MPEG-2 (H.262) (1994/95) (1997/98) MPEG-4 v1 H (2000) (1998/99) MPEG-4 v2 H.264 ( MPEG-4 Part 10 ) (2002) (1999/00) MPEG-4 v3 (2001)

10 Position of H.264

11 MPEG-21: putting it all together From the MPEG-21 Proposed Draft Technical Report: Many elements exist to build an infrastructure for the delivery and consumption of multimedia content. There is, however, no 'big picture' to describe how the specification of these elements, either in existence or under development, relate to each other. The aim of MPEG-21 is: 1) to understand if and how these various components fit together and 2) to discuss which new standards may be required, if gaps in the infrastructure exist and, once the above two points have been reached, 3) to actually accomplish the integration of different standards. In MPEG-21, all Users have Rights and Interests And they all need to be able to express those

12 Pictorial overview of MPEG-21 Examples: Container Item Resource Digital Item Declaration Multimedia Content Representation Examples: Natural and Synthetic Scalability Examples: Unique Identifiers Content Descriptors Digital Item Identification and Description User A Transaction/Use/Relationship Digital Item Authorization/Value Exchange User B Content Management and usage Examples: Encryption Authentication Watermarking Intellectual Property management and Protection Examples: Storage Mgt. Content Personalization Examples: Resource Abstraction Resource Mgt. (QoS) Terminals & Networks Event Reporting

13 Demos of JPEG2000

JPEG 2000 A versatile image coding system for multimedia applications

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