ISO/DIS 20947-1

Performance evaluation protocol for digital fitting systems

Protocole d'évaluation de la performance des systèmes d'habillage virtuel

Standards Content (sample)

DRAFT INTERNATIONAL STANDARD
ISO/DIS 20947-1
ISO/TC 133 Secretariat: SABS
Voting begins on: Voting terminates on:
2020-03-06 2020-05-29
Performance evaluation protocol for digital fitting
systems —
Part 1:
Accuracy of virtual human body representation
Protocole d'évaluation de la performance des systèmes d'habillage virtuel —
Partie 1: Fidélité de la représentation du corps humain virtuel
ICS: 61.020
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NATIONAL REGULATIONS.
ISO/DIS 20947-1:2020(E)
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ISO/DIS 20947-1:2020(E)

Foreword ...............................................................................................................................................................6

Introduction..........................................................................................................................................................7

1 Scope................................................................................................................................................................8

2 Normative references................................................................................................................................8

3 Terms and definitions...............................................................................................................................8

͵Ǥͳ ‹‰‹–ƒŽˆ‹––‹‰•›•–‡ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͻ

͵Ǥʹ ‹”–—ƒŽŠ—ƒ‘†‡ŽŽ‹‰•›•–‡ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͻ

͵Ǥ͵ ‹”–—ƒŽŠ—ƒ‘†‡ŽǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͻ

͵Ǥ͵ǤͳǤ ƒ”ƒ‡–”‹…Š—ƒ„‘†›ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͻ

͵Ǥ͵ǤʹǤ ‹”–—ƒŽŠ—ƒ„‘†›ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͲ

͵ǤͶ ‹”–—ƒŽȀŠ›•‹…ƒŽ•–ƒ†‹‰’‘•‹–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͳ

͵Ǥͷ ‹”–—ƒŽ…”‘•••‡…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳʹ

͵Ǥ͸ ‹”–—ƒŽȀŠ›•‹…ƒŽ„‘†›Žƒ†ƒ”•ƒ†Ž‡˜‡Ž•ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳʹ

͵Ǥ͸ǤͳǤ ‹”–—ƒŽ„ƒ…‡…Ǧ„ƒ•‡’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͵

͵Ǥ͸ǤʹǤ ‹”–—ƒŽ•Š‘—Ž†‡”’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͵

͵Ǥ͸Ǥ͵Ǥ ‹”–—ƒŽƒš‹ŽŽƒ’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͵

͵Ǥ͸ǤͶǤ ‹”–—ƒŽ„—•–’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͵

͵Ǥ͸ǤͷǤ ‹”–—ƒŽ—†‡”„—•–’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͵

͵Ǥ͸Ǥ͸Ǥ ‹”–—ƒŽ‹†”‹ˆˆŽ‡˜‡ŽǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸Ǥ͹Ǥ ‹”–—ƒŽ•‹†‡™ƒ‹•–’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸ǤͺǤ ‹”–—ƒŽ–‘’Š‹’Ž‡˜‡ŽǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸ǤͻǤ ‹”–—ƒŽŠ‹’’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸ǤͳͲǤ ‹”–—ƒŽ‰Ž—–‡ƒŽˆ‘Ž†’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸ǤͳͳǤ ‹”–—ƒŽ‡Ž„‘™’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸ǤͳʹǤ ‹”–—ƒŽ™”‹•–’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸Ǥͳ͵Ǥ ‹”–—ƒŽ•‹†‡‡…Ǧ„ƒ•‡’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͶ

͵Ǥ͸ǤͳͶǤ ‹”–—ƒŽŽƒ†‹‰Š‡‡Ž’‘‹–ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

͵Ǥ͹ ‹”–—ƒŽ„‘†›†‹‡•‹‘•ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

4 Basic requirements of Virtual human modelling system.......................................................... 15

ͶǤͳ

‡‡”ƒŽǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

ͶǤʹ ƒ–ƒ‹’‘”–ˆ—…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

ͶǤ͵ ƒ–ƒ‡š’‘”–ˆ—…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

ͶǤͶ ƒ†ƒ”‡š–”ƒ…–‹‘ƒ†‡š’‘”–ˆ—…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

ͶǤͷ —…–‹‘–‘–ƒ‡„‘†›†‹‡•‹‘•†ƒ–ƒǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳͷ

ͶǤ͸ ”‘•••‡…–‹‘…”‡ƒ–‹‘ˆ—…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͸

ͶǤ͹ ‹•—ƒŽ‹œƒ–‹‘ˆ—…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͸

ͶǤͺ ›‡–”‹•ƒ–‹‘ˆ—…–‹‘ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͸

5 Selection of subjects................................................................................................................................ 16

6 Evaluation protocol for the virtual human body based on body dimensions.................... 16

͸Ǥͳ

‡‡”ƒŽǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͸

͸Ǥʹ ‘†›†‹‡•‹‘•ǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤǤͳ͹

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4 © ISO 2019 – All rights reserved
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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ISO/DIS 20947-1:2020(E)
Contents Page

Foreword ............................................................................................................................................................... 6

Introduction .......................................................................................................................................................... 7

1 Scope ................................................................................................................................................................ 8

2 Normative references ................................................................................................................................ 8

3 Terms and definitions ............................................................................................................................... 8

3.1 Digital fitting system .......................................................................................................................................... 9

3.2 Virtual human modelling system .................................................................................................................. 9

3.3 Virtual human model ......................................................................................................................................... 9

3.3.1. Parametric human body........................................................................................................................... 9

3.3.2. Virtual human body ................................................................................................................................ 10

3.4 Virtual/Physical standing position ............................................................................................................ 11

3.5 Virtual cross section ........................................................................................................................................ 12

3.6 Virtual/Physical body landmarks and levels ........................................................................................ 12

3.6.1. Virtual back neck-base point............................................................................................................... 13

3.6.2. Virtual shoulder point ............................................................................................................................ 13

3.6.3. Virtual axilla point ................................................................................................................................... 13

3.6.4. Virtual bust point ..................................................................................................................................... 13

3.6.5. Virtual underbust point ......................................................................................................................... 13

3.6.6. Virtual midriff level ................................................................................................................................. 14

3.6.7. Virtual side waist point ......................................................................................................................... 14

3.6.8. Virtual top hip level................................................................................................................................. 14

3.6.9. Virtual hip point ....................................................................................................................................... 14

3.6.10. Virtual gluteal fold point ....................................................................................................................... 14

3.6.11. Virtual elbow point ................................................................................................................................. 14

3.6.12. Virtual wrist point ................................................................................................................................... 14

3.6.13. Virtual side neck-base point ................................................................................................................ 14

3.6.14. Virtual landing heel point ..................................................................................................................... 15

3.7 Virtual body dimensions ................................................................................................................................ 15

4 Basic requirements of Virtual human modelling system .......................................................... 15

4.1 General .................................................................................................................................................................. 15

4.2 Data import function ....................................................................................................................................... 15

4.3 Data export function ........................................................................................................................................ 15

4.4 Landmark extraction and export function ............................................................................................. 15

4.5 Function to take body dimensions data .................................................................................................. 15

4.6 Cross section creation function .................................................................................................................. 16

4.7 Visualization function ..................................................................................................................................... 16

4.8 Symmetrisation function ............................................................................................................................... 16

5 Selection of subjects ................................................................................................................................ 16

6 Evaluation protocol for the virtual human body based on body dimensions .................... 16

6.1 General .................................................................................................................................................................. 16

6.2 Body dimensions ............................................................................................................................................... 17

6.2.1. Virtual chest girth .................................................................................................................................... 18

6.2.2. Virtual bust girth ...................................................................................................................................... 18

6.2.3. Virtual underbust girth.......................................................................................................................... 18

6.2.4. Virtual waist girth .................................................................................................................................... 19

6.2.5. Virtual hip girth ........................................................................................................................................ 19

6.2.6. Virtual thigh girth .................................................................................................................................... 19

6.2.7. Virtual chest height ................................................................................................................................. 19

6.2.8. Virtual bust height ................................................................................................................................... 19

6.2.9. Virtual underbust height ..................................................................................................................... 19

© ISO 2020 – All rights reserved
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ISO/DIS 20947-1:2020(E)

6.2.10. Virtual waist height ................................................................................................................................. 19

6.2.11. Virtual hip height ..................................................................................................................................... 19

6.2.12. Virtual thigh height ................................................................................................................................. 19

6.2.13. Virtual arm length ................................................................................................................................... 20

6.2.14. Virtual upper arm girth ......................................................................................................................... 20

6.2.15. Virtual wrist girth .................................................................................................................................... 20

6.2.16. Virtual inside leg height ........................................................................................................................ 20

6.2.17. Virtual back waist length ...................................................................................................................... 20

6.2.18. Virtual shoulder width .......................................................................................................................... 20

6.2.19. Virtual shoulder slope ........................................................................................................................... 20

6.2.20. Virtual shoulder length ......................................................................................................................... 20

6.3 Errors in body dimensions ........................................................................................................................... 21

7 Cross sections and projection views ................................................................................................. 21

7.1 General .................................................................................................................................................................. 21

7.2 Cross section ....................................................................................................................................................... 22

7.3 Superimposed display of torso cross sections ..................................................................................... 22

7.4 Dimensions of bounding rectangles of cross sections....................................................................... 23

7.5 Front, back and side views ........................................................................................................................... 23

8 Report........................................................................................................................................................... 23

8.1 General .................................................................................................................................................................. 23

8.2 Information on the virtual human modeling system ......................................................................... 23

8.3 Availability of the recommended functions .......................................................................................... 23

8.4 Information on subject population ........................................................................................................... 24

8.5 Measurement errors ....................................................................................................................................... 24

8.6 Cross sections and projection views ........................................................................................................ 24

© ISO 2020 – All rights reserved
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ISO/DIS 20947-1:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national

standards bodies (ISO member bodies). The work of preparing International Standards is normally

carried out through ISO technical committees. Each member body interested in a subject for which

a technical committee has been established has the right to be represented on that committee.

International organizations, governmental and non-governmental, in liaison with ISO, also take part

in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on

all matters of electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for

the different types of ISO documents should be noted. This document was drafted in accordance

with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject

of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details

of any patent rights identified during the development of the document will be in the Introduction

and/or on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does

not constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC ISO/TC 133, Clothing sizing systems

- size designation, size measurement methods and digital fittings.

ISO 20497 consists of three parts, under the general title Performance evaluation protocol for

digital fitting systems.
 Part 1 – Accuracy of virtual human body representation
 Part 2 – Virtual garment
The following parts are in preparation.
 Part 3 –Digital fitting

Any feedback or questions on this document should be directed to the user’s national standards

body. A complete listing of these bodies can be found at www.iso.org/members.html.

© ISO 2020 – All rights reserved
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ISO/DIS 20947-1:2020(E)
Introduction

Digital fitting systems are used for evaluating the fit of a garment without making physical patterns

or physical garments. In a digital fitting system, a virtual garment is made using virtual patterns,

and the fit of physical garment(s) on a physical human body is assessed by draping a virtual garment

on a virtual human body or a virtual fit mannequin (fit form). Such systems are useful for designers

and manufacturers, educationalists and retailers of garments because the system helps to improve

the fit of garments and productivity. It may also be useful for consumers for assessing the fit of

mass-produced garments, for online shopping or for selecting an appropriate size.

The digital fitting system enables examination of the fit of a garment by placing a virtual garment

on a virtual human body. Greater accuracy in examining the fit of the virtual garment requires a

virtual human body representing the human body accurately. There are several methods for

creating the virtual human body. The most popular is the use of a 3D body scan data of a human

body, scan data of a fit mannequin representing a specified human form and a parametric model

created from body dimensions.

This standard defines the virtual human body system which forms basis of the digital fitting system.

Because the virtual human body system is designed to create a virtual human body, the system must

satisfy a number of functional requirements specified in this standard. This standard establishes

not only the basic functional requirements of the system but the protocol for assessing the quality

of the virtual human body. The protocol is expected to enable users of digital fitting systems

(designers, educationalists and retailers) to choose the virtual human body system most

appropriate for their respective purposes and, at the same time, realize easier performance

evaluation of digital fitting systems that make use of the virtual human body(including virtual fit

mannequin) model.
© ISO 2020 – All rights reserved
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ISO/DIS 20947-1:2020(E)
Performance evaluation protocol for digital fitting systems
– Part 1 Accuracy of virtual human body representation
1 Scope

This first part of ISO 20947 standard focuses on the method of quantifying the differences in body

dimensions and visualizing shape differences between the human body and a virtual human body

model. The standard provides performance evaluation protocol for virtual human body

representation systems, which creates a virtual human body (including virtual fit mannequin)

model based on 3D body scan data and/or body dimensions data of a human body. The required

accuracy of a virtual human body depends on the purpose and use of the digital fitting system.

Since the accuracy of scan-derived measurements and surface shape depends on the accuracy of 3D

body scanner system used, manual measurements are used for quantitatively evaluating the

accuracy of a virtual human body. Accuracy of scan-derived measurements should be evaluated

according to ISO 20685.
2 Normative references

The following referenced documents are indispensable for the application of this document. For

dated references, only the edition cited applies. For undated references, the latest edition of the

referenced document (including any amendments) applies.

ISO 18825-1: Clothing — Digital fittings — Part 1: Vocabulary and terminology used for the virtual

human body

ISO 18825-2: Clothing — Digital fittings — Part 2: Vocabulary and terminology used for the

attributes of virtual human body

ISO 8559-1: Size designation of clothes - Part 1: Anthropometric definitions for body measurement

ISO 20685: 3-D scanning methodologies for internationally compatible anthropometric databases

– Part 1: Evaluation protocol for body dimensions extracted from 3-D body scans

ISO/DIS 20947-2: Performance evaluation protocol for digital fitting systems Part 2 - Virtual

garment
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
© ISO 2020 – All rights reserved
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ISO/DIS 20947-1:2020(E)
3.1 Digital fitting system

Digital fitting system provides qualitative and/or quantitative evaluation of overall and/or specific

simulation garment fit through analysis of the distribution of surface strain, gap between body and

garment, heat map, cross section, surface wrinkles, seam drop, garment balance, etc.

3.2 Virtual human modelling system
System for creating a virtual human body for a specific market or individual.
Note: Asymmetrical shape assumed to match the body shape of the individual.
3.3 Virtual human model
Three-dimensional model in digital format.
[source: ISO 18825-1: 2016,2.1.1]
3.3.1. Parametric human body
Virtual human model with changeable parameters such as size and shape, etc.

NOTE 1 Parametric human body is created by modifying the parameters of the exemplar model

imported from the 3D model library. The exemplar models differ with countries as they are based

on a database. Therefore, a parametric hu
...