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BSI PD ISO/IEC TS 20071-15:2017:2018 Edition

BSI PD ISO/IEC TS 20071-15:2017:2018 Edition

$167.15

Information technology. User interface component accessibility – Guidance on scanning visual information for presentation as text in various modalities

Published By Publication Date Number of Pages
BSI 2018 34
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This document provides guidance on various aspects of the user interface of applications that scan visual information that are used directly by humans, including:

  • initiating the scanning application;

  • setting user’s preferences and configuring the scanning application;

  • identifying the types of information currently of interest to the user;

  • locating visual objects of interest to the user;

  • creating a static image via scanning the visual object;

  • identifying the information content provided by the visual object;

  • processing scanned information and outputting the results to the user.

This document provides increased accessibility by addressing the user accessibility needs of diverse users in diverse contexts.

This document contains guidance that can be applied to a variety of devices, including:

  • specialized devices that are dedicated to scanning and processing visual information;

  • mobile devices (such as smartphones and tablets);

  • general purpose computers with camera capabilities;

  • office machines with scanning functions.

This document contains guidance that can be applied to various types of software, including:

  • stand-alone scanning applications;

  • applications including scanning functionalities;

  • (scanning) applications that interoperate with other applications.

This document contains guidance that can be used for outputting scanned information in various modalities, including:

  • audio outputs;

  • visual outputs;

  • tactile outputs;

  • storing information for future use within the application performing the scanning;

  • electronic outputs (to other applications, systems, or devices including those directly connected and those connected via the Internet).

This document does not:

  • apply to fully automated scanning that is not under direct human control;

  • apply to applications that scan visual information for editing an image or just displaying it;

  • provide guidance on the design of specific hardware devices involved in scanning;

  • provide guidance on the specific objects that can be recognized or the specific software used to recognize these objects;

  • provide guidance on the internal functioning of software that recognizes specific types of objects.

This document is intended for use by developers of applications that include user controlled scanning functionalities. It does not expect that an application includes all of these functionalities. It can be used for those functionalities that an application does provide.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
10 2 Normative references
3 Terms and definitions
11 4 Conformance
5 Overview of scanning visual information for presentation as text in various modalities
5.1 General
12 5.2 Contexts for scanning
5.3 Framework for scanning
13 5.4 Types of devices
15 5.5 Type of software
5.6 Scanning modes
16 6 Guidance on scanning visual information for presentation as text in various modalities
6.1 General guidance
6.1.1 Provide scanning results according to the purpose
6.1.2 Provide scanning results equivalent to the object being scanned
6.1.3 Provide focus adjustment
6.1.4 Provide exposure adjustment
17 6.1.5 Provide position adjustment
6.1.6 Providing distance adjustment
6.1.7 Provide orientation adjustment
6.1.8 Provide accessible initiation of scanning
18 6.1.9 Provide notification during scanning progress
6.1.10 Provide the scanning results in a textual representation
19 6.2 User preference settings
6.2.1 Enabling user preference settings
6.2.2 Selecting scanning modes
6.2.3 Selecting purpose of use
6.2.4 Selecting image resolution
6.2.5 Selecting image enhancement
6.2.6 Controlling presentation of visual guidance
20 6.2.7 Selecting post-processing components
6.2.8 Selecting modalities for textual representation
6.2.9 Selecting other application(s) to be invoked
6.2.10 Storing and retrieving user preferences
6.3 Scanning input
6.3.1 General
21 6.3.2 Scanning/capturing appropriate images
6.3.3 Enhancing image quality
6.3.4 Recording scanned images
22 6.3.5 Naming scanned images
6.3.6 Retrieving scanned images for processing
6.4 Processing
6.4.1 General
6.4.2 Presenting results of processing
6.4.3 Pre-processing: selecting visual objects of interest
23 6.4.4 Post-processing: respecting the context
6.5 Output
6.5.1 General
6.5.2 Presenting accessible scanning results
6.5.3 Invoking other applications: passing the scanning results
24 6.5.4 Privacy protection and security
25 Annex A (informative) Scanning visual information for presentation as text in various modalities — Use cases
29 Annex B (informative) Checklist of recommendations
32 Bibliography

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BSI PD ISO/IEC TS 20071-15:2017
$167.15