ISO/IEC TR 14496-7:2004 PDF

Information technology — Coding of audio-visual objects — Part 7: Optimized reference software for coding of audio-visual objects

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Название (английский):

ISO/IEC TR 14496-7:2004

Information technology — Coding of audio-visual objects — Part 7: Optimized reference software for coding of audio-visual objects

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 32
Дата публикации:: 27 октября 2004 г.
Издание:: ISO/IEC TR 14496 edition 2 version 1
ICS:: 35.040

Язык документа:

ruen

Срок поставки:6 раб. дн. (перевод)

Цена:480 €

Описание (английский):

ISO/IEC TR 14496-7:2004 specifies the encoding tools that enhance both the execution and quality for the coding of visual objects as defined in ISO/IEC 14496-2. There are five visual tools, including: Fast Motion Estimation; Fast Global Motion Estimation; Fast and Robust Sprite Generation; Optimized Reference Software for Simple Profile with Fast Variable Length Decoder Technique; and Error Resilience Tools with RVLC. The platform specific optimization is not currently addressed. The error resilience tools are separately implemented based on the Momusys reference software.

Технические детали

Технический комитет: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
SKU: ISO/IEC TR 14496-7:2004

Abstract

Overview

ISO/IEC TR 14496-7:2004 - "Optimized reference software for coding of audio‑visual objects" is a technical report (Part 7 of the MPEG‑4 suite) that provides non‑normative, well‑tested encoding tools to improve execution speed and visual quality for the visual coding specified in ISO/IEC 14496‑2. The report supplies reference implementations and optimization guidance so developers can adopt efficient algorithms (without changing the normative bitstream syntax) and accelerate time‑to‑market for MPEG‑4 compliant products.

Key topics

Fast Motion Estimation (MVFAST / PMVFAST)
- Motion‑adaptive, scalable search strategies to balance rate, quality (PSNR), speed and memory.
- Optional early‑elimination for stationary blocks (example threshold T = 512 used in tests).
Fast Global Motion Estimation (FFRGMET)
- Feature‑based robust global motion techniques with outlier exclusion and robust objective functions.
Fast and Robust Sprite Generation
- Algorithms for sprite (panorama/region) generation including segmentation, motion estimation and blending.
Fast Variable Length Decoder
- Hierarchical table lookup techniques to accelerate VLC decoding (Simple Profile optimization).
Error Resilience Tools
- Error resilience techniques (including RVLC) and their integration; implementations referenced from MoMusys software.
Software integration & optimization
- Guidance for removing unused procedures, revising code bases, using fast algorithms, and compile‑time switches to include only needed tools for a profile/level. Platform‑specific (assembly/hardware) optimizations are explicitly not addressed.

Practical applications

Implementers of MPEG‑4 Visual encoders and decoders seeking faster execution and better visual quality while remaining standards‑compliant.
Developers building real‑time or constrained systems: video conferencing, live streaming, surveillance, mobile video, and broadcasting where computational resources and latency matter.
Codec researchers and QA teams using the optimized reference as a benchmark for performance comparisons and experimentation.
Product teams wanting a tested toolkit to reduce development time for Simple Profile implementations.

Who should use this report

Firmware and software engineers implementing MPEG‑4 encoders/decoders
System architects optimizing media pipelines
Academic and industry researchers in video coding and motion estimation
Standards writers and conformance test developers

Related standards

ISO/IEC 14496‑2 (Visual)
ISO/IEC 14496‑5 (Reference software)
Other MPEG‑4 parts (Systems, File formats) for end‑to‑end implementations

Keywords: ISO/IEC TR 14496-7:2004, optimized reference software, MPEG‑4, motion estimation, MVFAST, PMVFAST, global motion estimation, sprite generation, fast VLC decoder, error resilience, RVLC, encoder optimization.

Overview

Key topics

Fast Motion Estimation (MVFAST / PMVFAST)
- Motion‑adaptive, scalable search strategies to balance rate, quality (PSNR), speed and memory.
- Optional early‑elimination for stationary blocks (example threshold T = 512 used in tests).
Fast Global Motion Estimation (FFRGMET)
- Feature‑based robust global motion techniques with outlier exclusion and robust objective functions.
Fast and Robust Sprite Generation
- Algorithms for sprite (panorama/region) generation including segmentation, motion estimation and blending.
Fast Variable Length Decoder
- Hierarchical table lookup techniques to accelerate VLC decoding (Simple Profile optimization).
Error Resilience Tools
- Error resilience techniques (including RVLC) and their integration; implementations referenced from MoMusys software.
Software integration & optimization
- Guidance for removing unused procedures, revising code bases, using fast algorithms, and compile‑time switches to include only needed tools for a profile/level. Platform‑specific (assembly/hardware) optimizations are explicitly not addressed.

Practical applications

Implementers of MPEG‑4 Visual encoders and decoders seeking faster execution and better visual quality while remaining standards‑compliant.
Developers building real‑time or constrained systems: video conferencing, live streaming, surveillance, mobile video, and broadcasting where computational resources and latency matter.
Codec researchers and QA teams using the optimized reference as a benchmark for performance comparisons and experimentation.
Product teams wanting a tested toolkit to reduce development time for Simple Profile implementations.

Who should use this report

Firmware and software engineers implementing MPEG‑4 encoders/decoders
System architects optimizing media pipelines
Academic and industry researchers in video coding and motion estimation
Standards writers and conformance test developers

Related standards

ISO/IEC 14496‑2 (Visual)
ISO/IEC 14496‑5 (Reference software)
Other MPEG‑4 parts (Systems, File formats) for end‑to‑end implementations

ISO/IEC TR 14496-7:2004 PDF

Технические детали

Abstract

Overview

Key topics

Practical applications

Who should use this report

Related standards

Похожие стандарты

Abstract

Overview

Key topics

Practical applications

Who should use this report

Related standards

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