EN IEC 62676-5-2018 Video surveillance systems for use in security applications - Part 5 Data specifications and image quality performance for camera devices.pdf

1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Video surveillance systems for use in security applicationsPart 5: Data specifications and image quality performance for camera devicesBS EN IEC 626765:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62676-

2、5 August 2018 ICS 13.320 English Version Video surveillance systems for use in security applications - Part 5: Data specifications and image quality performance for camera devices (IEC 62676-5:2018) Systmes de vidosurveillance destins tre utiliss dans les applications de scurit - Partie 5: Spcificat

3、ions des donnes et performances de la qualit dimage pour les dispositifs de camra (IEC 62676-5:2018) Videoberwachungsanlagen fr Sicherungsanwendungen - Teil 5: Leistungsbeschreibung und Bildqualittseigenschaften fr Kameras (IEC 62676-5:2018) This European Standard was approved by CENELEC on 2018-07-

4、10. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtai

5、ned on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to

6、 the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,

7、 Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation E

8、lectrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 62676-5:2018 E National forewordThis Brit

9、ish Standard is the UK implementation of EN IEC 626765:2018. It is identical to IEC 626765:2018. The UK participation in its preparation was entrusted to Technical Committee GW/1/10, Video Surveillance Systems (VSS), commonly known as CCTV.A list of organizations represented on this committee can be

10、 obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 97421 2ICS 13.320Compliance w

11、ith a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN IEC 626765:2018EUROPEAN

12、 STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62676-5 August 2018 ICS 13.320 English Version Video surveillance systems for use in security applications - Part 5: Data specifications and image quality performance for camera devices (IEC 62676-5:2018) Systmes de vidosurveillance destins tre utilis

13、s dans les applications de scurit - Partie 5: Spcifications des donnes et performances de la qualit dimage pour les dispositifs de camra (IEC 62676-5:2018) Videoberwachungsanlagen fr Sicherungsanwendungen - Teil 5: Leistungsbeschreibung und Bildqualittseigenschaften fr Kameras (IEC 62676-5:2018) Thi

14、s European Standard was approved by CENELEC on 2018-07-10. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical ref

15、erences concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of

16、 a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Y

17、ugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotec

18、hnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Re

19、f. No. EN IEC 62676-5:2018 E BS EN IEC 626765:2018EN IEC 62676-5:2018 (E) 2 European foreword The text of document 79/607/FDIS, future edition 1 of IEC 62676-5, prepared by IEC/TC 79 “Alarm and electronic security systems“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN

20、IEC 62676-5:2018. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2019-04-10 latest date by which the national standards conflicting with the document have to be withdraw

21、n (dow) 2021-07-10 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62676

22、-5:2018 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 62676-2-1 NOTE Harmonized as EN 62676-2-1 IEC 62676-2-2 NOTE Harmonized as EN 62676-2-2 IEC 62676-2-3 NOTE

23、 Harmonized as EN 62676-2-3 IEC 62676-4 NOTE Harmonized as EN 62676-4 BS EN IEC 626765:2018EN IEC 62676-5:2018 (E) 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a wa

24、y that some or all of their content constitutes requirements 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. NOTE 1 When an International Publication has been modified by

25、 common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60825-1 - Safety of laser products - Part 1: Equipment c

26、lassification and requirements EN 60825-1 - IEC 61146-1 - Video cameras (PAL/SECAM/NTSC) - Methods of measurement - Part 1: Non-broadcast single-sensor cameras EN 61146-1 - IEC 62471 - Photobiological safety of lamps and lamp systems EN 62471 - IEC 62676-1-2 2013 Video surveillance systems for use i

27、n security applications - Part 1-2: Video transmission General video transmission - requirements EN 62676-1-2 2014 - - + AC 2015 IEC 62676-3 - Video surveillance systems for use in security applications - Part 3: Analog and digital video interfaces EN 62676-3 - ISO 14524 - Photography Electronic sti

28、ll picture cameras Methods for measuring optoelectronic conversion functions (OECFs) - - ITU-R Recommendation BT.601-5 - Encoding parameters of digital television for studios - - ITU-R Recommendation BT.709 - Parameter values for the HDTV* standard for production and international program exchange -

29、 - BS EN IEC 626765:2018 2 IEC 62676-5:2018 IEC 2018 CONTENTS FOREWORD . 7 INTRODUCTION . 9 1 Scope 10 2 Normative references 10 3 Terms, definitions and abbreviations . 11 3.1 Terms and definitions 11 3.2 Abbreviations 21 4 Description of video surveillance camera specification items . 22 4.1 Gener

30、al . 22 4.2 Camera . 22 4.2.1 Image sensor . 22 4.2.2 Maximum resolution . 25 4.2.3 Minimum illumination . 25 4.2.4 Signal to noise ratio (SNR, S/N ratio) . 26 4.2.5 White balance 26 4.2.6 Electronic shutter . 27 4.2.7 Electronic sensitivity up (Slow shutter). 27 4.2.8 Dynamic range (DR) 28 4.2.9 Vi

31、sible dynamic range (VDR) . 28 4.2.10 Infra-red illumination operating view distance 28 4.2.11 Day/Night mode (D/N) 29 4.2.12 Internal image processing performance . 29 4.3 Lens . 30 4.3.1 Focal length . 30 4.3.2 Relative aperture (F-number) . 30 4.3.3 Field of view 30 4.3.4 Image distortion . 31 4.

32、3.5 Iris control . 31 4.3.6 Mount type 31 4.3.7 Image flare 32 4.4 Input / Output 32 4.4.1 Video output 32 4.4.2 Auto-iris lens output . 32 4.5 Video output format 33 4.5.1 Image format standard . 33 4.5.2 Colour representation 33 4.5.3 Output image pixel number 33 4.5.4 Output image resolution . 34

33、 4.6 Pan and tilt . 34 4.6.1 Rotation angle . 34 4.6.2 Rotation speed 34 4.6.3 Preset position function . 35 4.6.4 Preset position accuracy 35 4.6.5 Audible noise . 35 4.7 Network 36 4.7.1 Network interface. 36 4.7.2 Image and video compression format. 36 BS EN IEC 626765:2018IEC 62676-5:2018 IEC 20

34、18 3 4.7.3 Bit rate control . 36 4.7.4 Maximum frame rate 37 4.7.5 Maximum number of encoding streams 37 4.7.6 Multicast streaming 38 4.7.7 Maximum number of connections . 38 4.7.8 Total encoding performance 38 4.7.9 Image stream delay (Latency) 38 4.7.10 Camera storage (Local storage). 39 4.7.11 Au

35、dio function 39 4.7.12 Network protocol 39 4.7.13 Camera time synchronization and localization . 40 4.8 Network security . 40 4.8.1 General description . 40 4.8.2 Network authentication 40 4.8.3 Video authentication and watermarking . 41 4.9 Other specifications 41 5 Measurement methods of video sur

36、veillance camera specification items . 41 5.1 Setting of standard shooting condition 41 5.1.1 General . 41 5.1.2 Common standard shooting condition 42 5.2 Video signal quantization level 44 5.2.1 General . 44 5.2.2 Digital video signal quantization level 44 5.2.3 Other quantization levels . 44 5.3 M

37、easurement environment 44 5.3.1 General . 44 5.3.2 Test chart 45 5.3.3 Software for measurement . 48 5.4 Measuring methods . 48 5.4.1 General . 48 5.4.2 Resolution . 48 5.4.3 Minimum illumination . 56 5.4.4 Dynamic range 59 5.4.5 Visible dynamic range (VDR) . 67 5.4.6 Infra-red illumination operatin

38、g view distance 70 5.4.7 Image distortion . 73 5.4.8 Image flare 77 5.4.9 Capture frame rate 84 Annex A (normative) Sine wave star test chart . 88 Annex B (informative) Infra-red illuminator safety requirements according to IEC 62471. 91 B.1 General . 91 B.2 Declaration of the hazard distance 91 B.3

39、 Other information to be declared . 92 B.4 Item indication 92 B.5 Content indication . 92 Annex C (informative) Low light performance method 93 C.1 General . 93 C.1.1 General . 93 BS EN IEC 626765:2018 4 IEC 62676-5:2018 IEC 2018 C.1.2 Test chart 93 C.1.3 Creation of the coloured dead leaves structu

40、re 94 C.1.4 Capturing a reference image 94 C.1.5 Capture of the test images . 94 C.1.6 Image quality aspects affected by low light 94 C.1.7 Presentation of the results . 96 C.2 Example for generating a single performance value from measured results. 96 C.3 Description of test chart example 97 C.3.1

41、General . 97 C.3.2 Chart sizes and background 98 C.3.3 Sine wave modulated starburst patterns 98 C.3.4 OECF patches . 98 C.3.5 Colour patches 98 C.3.6 Dead leaves 100 C.3.7 Slanted edges and visual structures 101 C.3.8 Small sine wave modulated starburst patterns . 101 C.3.9 Centre marks . 101 Annex

42、 D (informative) Streaming bit rate (bit-stream) . 102 D.1 General . 102 D.2 Description . 102 D.3 Uncompressed and compressed video streams . 102 D.4 Content indication . 103 D.4.1 General . 103 D.4.2 Video streaming in a system 103 D.4.3 Network traffic analysis (NTA) . 103 D.5 Measuring the video

43、 streaming . 104 D.5.1 General . 104 D.5.2 The procedure of measuring streaming bit rate in a system . 104 Annex E (informative) IP video latency measurement . 107 E.1 General . 107 E.2 Description . 107 E.3 Visual perception of the latency 109 E.4 Measurement procedure for IP video latency 109 E.5

44、Content indication . 110 Annex F (informative) Motion blur measurement 111 F.1 General . 111 F.2 Description . 111 F.3 Projected pixel shift (PPS) due to moving objects . 111 F.4 Content indication . 111 F.5 Calculating the projected pixel shift of moving objects 112 F.6 Calculating the projected pi

45、xel shift of moving objects at various angles . 113 F.7 Acceptable PPS 113 F.8 Test chart measuring of moving objects 114 Annex G (informative) SD/HD test target example 118 Annex H (informative) UL test chart implementations . 119 Annex I (informative) Explanation of image flare from light source w

46、ithin and outside of camera field of view 120 I.1 Image flare of light source within the field of view . 120 BS EN IEC 626765:2018IEC 62676-5:2018 IEC 2018 5 I.2 Image flare of light source outside of the field of view . 120 Bibliography 122 Figure 1 Test set-up for reflective test chart . 45 Figure

47、 2 Test set-up for transparent test chart . 46 Figure 3 Test set-up for fixture with lamps . 47 Figure 4 Alignment of the camera with the target plane using a mirror . 48 Figure 5 IEC 61146-1 No. 4 and No. 5 (Resolution chart) . 49 Figure 6 ISO 12233:2000 Resolution test chart 50 Figure 7 Sine wave

48、modulated starburst pattern test chart . 51 Figure 8 The star is divided into eight segments for the analysis 53 Figure 9 The star is analysed radius by radius, equivalent to frequency by frequency 53 Figure 10 The pixels along a specific radius are located 54 Figure 11 Digital code values as a func

49、tion of the angle . 54 Figure 12 Calculation of the contrast of the sine curve . 55 Figure 13 Example of grey scale test chart 57 Figure 14 Example of OECF transparent test chart 57 Figure 15 Signal difference between white area and black surrounding 58 Figure 16 Example of lamp fixture 60 Figure 17 Possible arrangements of luminance levels 61 Figure 18 Graphical presentation of results 67 Figure 19 Example of signal level 69 Figure 20 G