ISO/IEC 15938-17:2024
Information technology — Multimedia content description interface — Part 17: Compression of neural networks for multimedia content description and analysis

Standard No.

ISO/IEC 15938-17:2024

Release Date

2024

Published By

International Organization for Standardization (ISO)

Latest

ISO/IEC 15938-17:2024

Scope

This document specifies Neural Network Coding (NNC) as a compressed representation of the parameters/ weights of a trained neural network and a decoding process for the compressed representation, complementing the description of the network topology in existing (exchange) formats for neural networks. It establishes a toolbox of compression methods, specifying (where applicable) the resulting elements of the compressed bitstream. Most of these tools can be applied to the compression of entire neural networks, and some of them can also be applied to the compression of differential updates of neural networks with respect to a base network. Such differential updates are for example useful when models are redistributed after fine-tuning or transfer learning, or when providing versions of a neural network with different compression ratios. This document does not specify a complete protocol for the transmission of neural networks, but focuses on compression of network parameters. Only the syntax format, semantics, associated decoding process requirements, parameter sparsification, parameter transformation methods, parameter quantization, entropy coding method and integration/signalling within existing exchange formats are specified, while other matters such as pre-processing, system signalling and multiplexing, data loss recovery and post- processing are considered to be outside the scope of this document. Additionally, the internal processing steps performed within a decoder are also considered to be outside the scope of this document; only the externally observable output behaviour is required to conform to the specifications of this document.

ISO/IEC 15938-17:2024 Referenced Document

• ISO/IEC 10646 Information technology — Universal coded character set (UCS) — Amendment 2: Todhri, Garay, Tulu-Tigalari, Sunuwar, Gurung Khema, Kirat Rai, and other characters
• ISO/IEC 60559 ISO/IEC/IEEE International Standard - Floating-point arithmetic

ISO/IEC 15938-17:2024 history

• 2024 ISO/IEC 15938-17:2024 Information technology — Multimedia content description interface — Part 17: Compression of neural networks for multimedia content description and analysis
• 2023 ISO/IEC 15938-17:2023 Information technology — Multimedia content description interface — Part 17: Compression of neural networks for multimedia content description and analysis
• 2022 ISO/IEC 15938-17:2022 Information technology - Multimedia content description interface - Part 17: Compression of neural networks for multimedia content description and analysis

Standard and Specification