IEC 62676-4-2014 Video surveillance systems for use in security applications - Part 4 Application guidelines《安全设备用视频监控系统 第4部分 应用指南》.pdf

1、 IEC 62676-4 Edition 1.0 2014-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Video surveillance systems for use in security applications Part 4: Application guidelines Systmes de vidosurveillance destins tre utiliss dans les applications de scurit Partie 4: Directives dapplication IEC 62676-4:2014-0

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19、 webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62676-4 Edition 1.0 2014-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Video surveillance systems for use in security applications Part 4: Application

20、 guidelines Systmes de vidosurveillance destins tre utiliss dans les applications de scurit Partie 4: Directives dapplication INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XB ICS 13.320 PRICE CODE CODE PRIX ISBN 978-2-8322-1504-3 Registered trademark of the Int

21、ernational Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2

22、IEC 62676-4:2014 IEC 2014 CONTENTS FOREWORD . 6 INTRODUCTION . 8 1 Scope 9 2 Normative references 9 3 Terms, definitions and abbreviations . 10 3.1 Terms and definitions . 10 3.2 Abbreviations . 14 4 General considerations 15 4.1 General considerations 15 4.2 Risk assessment 15 4.2.1 General 15 4.2.

23、2 Selection of security grades 15 4.3 Developing the operational requirements . 16 4.4 Site survey . 16 4.5 System design including site plan 17 4.6 Developing the test plan 17 4.7 Installation, commission and hand over 17 4.8 Documenting the system 17 5 Operational requirements specifications 17 5.

24、1 General 17 5.2 Purpose of the operational requirements 17 5.3 Content of the operational requirements 18 5.3.1 General 18 5.3.2 Basic objective/functionalities . 18 5.3.3 Definition of surveillance limitations 18 5.3.4 Definition of the site(s) under surveillance 18 5.3.5 Definition of activity to

25、 be captured . 18 5.3.6 System/picture performance . 18 5.3.7 Period of operation . 18 5.3.8 Conditions at the location . 19 5.3.9 Resilience . 19 5.3.10 Monitoring and image storage . 19 5.3.11 Exporting images 19 5.3.12 Routine actions . 19 5.3.13 Operational response . 19 5.3.14 Operator workload

26、 20 5.3.15 Training 20 5.3.16 Expansions . 20 5.3.17 List of any other special factors not covered by the above 20 5.4 System operational criteria. 20 5.4.1 General 20 5.4.2 Automation . 20 5.4.3 Alarm response 21 5.4.4 System response times . 21 6 Equipment selection and performance . 22 6.1 Genera

27、l 22 IEC 62676-4:2014 IEC 2014 3 6.2 Camera equipment . 22 6.3 Camera and lens selection criteria . 22 6.4 Camera selection . 22 6.4.1 General 22 6.4.2 PTZ 23 6.5 Lens and housing selection 23 6.6 Site coverage/numbers of cameras 24 6.7 Field of view object size 24 6.8 Field of view Other considerat

28、ions 26 6.9 Illumination 26 6.10 IP Video equipment 27 6.11 Tamper protection/detection . 28 6.11.1 Camera tamper protection/detection . 28 6.11.2 System tamper protection/detection 28 6.12 System integration . 28 7 Image presentation 29 7.1 Display types . 29 7.2 Resolution 30 8 Transmission . 30 8

29、1 Principles . 30 8.1.1 General 30 8.1.2 Selection of IP video performance classes 31 8.1.3 Interoperability 31 8.2 Wired transmission links 32 8.3 Wireless transmission links 32 8.4 Key considerations for IP based transmission systems. 33 9 Video performance characteristics . 34 9.1 Image compress

30、ion 34 9.2 Frame rate . 34 9.3 Resolution 35 10 Storage characteristics 35 11 Image storage and export 37 11.1 Format of the compressed video data 37 11.2 Encryption 37 11.3 Basic metadata (time, date, camera identifier) . 37 11.4 Multiplexing format . 38 11.5 Image enhancements . 38 11.6 Image expo

31、rt 38 11.7 Replay of exported images . 39 12 VSS control room configuration . 39 12.1 Control rooms 39 12.2 Number, size and positioning of VSS video displays 40 12.3 Displays and screens mounted on or off the workstation 40 12.4 Recommended display sizes 40 12.5 Number of camera images per operator

32、 . 40 12.6 Number of work stations 41 12.7 Equipment siting 41 12.8 Backup power supply provision 41 4 IEC 62676-4:2014 IEC 2014 12.9 Operating temperature . 42 12.10 Lightning and surge protection . 42 13 Defining the test plan . 42 13.1 Purpose of the test plan . 42 13.2 User acceptance testing/in

33、spection 42 13.3 Technical acceptance testing . 42 13.3.1 Imaging chain consistency 42 13.3.2 Image quality 42 14 Summary of the documentation Pre-installation 44 14.1 General 44 14.2 Risk assessment 45 14.3 Operational requirements . 45 14.4 Design specification . 45 14.5 Site plan 45 14.6 Test pla

34、n 45 15 System installation and commissioning 45 15.1 Factory acceptance testing 45 15.2 Installation process 46 15.3 User acceptance testing, commissioning and handover 46 15.4 Declaration of conformance to standards . 46 16 Final documentation 47 16.1 General 47 16.2 Complete system drawings 47 16

35、3 System commission (with camera specific audits) 47 16.4 Interface descriptions . 47 16.5 Compliance with legislation (informative) . 47 17 Maintenance 48 17.1 Maintenance service agreements . 48 17.2 Staff . 48 17.3 Corrective maintenance . 48 17.4 Preventive maintenance . 49 Annex A (informative

36、) Current video standard formats . 51 Annex B (normative) Test protocol for VSS target 52 B.1 Scope of the test 52 B.2 Test prerequisites 52 B.3 Preconditions . 52 B.4 Face selection . 52 B.5 Live view methodology (faces) . 53 B.6 Live view methodology (VRN) 53 B.7 Recorded view methodology (faces)

37、 53 B.8 Recorded view methodology (VRN) 54 B.9 Motion 54 B.10 Faces: scoring criteria 54 B.11 VRN: scoring criteria 54 B.12 Heads control sheet (for example only) 57 B.13 VRN control sheet (for example only) . 58 Annex C (normative) Test method of image quality Guidance for the use of the video tes

38、t target 59 IEC 62676-4:2014 IEC 2014 5 Annex D (informative) Guide to specifying VSS parameters . 63 Annex E (normative) Detection response testing and acceptability criteria . 65 E.1 General 65 E.2 False and nuisance alarms 65 E.3 Setting the response time 65 E.4 PTZ response time test procedure .

39、 66 E.5 Observer cueing and prompting . 66 E.6 Detection test locations 66 E.7 Target camouflage . 67 E.8 Tests with moving targets 67 E.9 Test conditions 67 E.10 Testing a “live“ system . 67 E.11 Detection test results tables . 68 Bibliography 69 Figure 1 Recommended minimum sizes for PAL (576i) re

40、solution 25 Figure B.1 Heads control sheet 57 Figure B.2 VRN control sheet example . 58 Figure C.1 A3 test target 59 Figure C.2 Avoiding optical distortion . 62 Table 1 Example System feedback PTZ Control Responding time, performance and operator . 22 Table 2 Commonly encountered resolutions (in pix

41、els) . 25 Table 3 Person screen height equivalent for different digital resolutions (in percent) . 26 Table 4 Examples of display technologies 29 Table 5 Example resolutions 30 Table 6 Wireless transmission options . 33 Table 7 Factors affecting the storage capacity required for a video recorder 35

42、Table B.1 Example auditor log sheet 55 Table B.2 Example control room observer log sheet . 55 Table B.3 Example camera audit sheet 55 Table B.4 Blank auditor log sheet 56 Table B.5 Blank control room observer log sheet . 56 Table B.6 Blank camera audit sheet . 56 Table D.1 Suggested VSS building blo

43、cks 63 Table E.1 Detection test results . 68 6 IEC 62676-4:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ VIDEO SURVEILLANCE SYSTEMS FOR USE IN SECURITY APPLICATIONS Part 4: Application guidelines FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization

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