Radiant DVMD1 Uživatelský manuál Strana 1

Science Manual – Using Video Images for Fisheries Monitoring i Using video images for fisheries monitoring A manual for using underwater cameras,

2 Science Manual – Using Video Images for Fisheries Monitoring Take the time to plan: You may have the tools, you may have the site, but do you ha

Science Manual – Using Video Images for Fisheries Monitoring 3 2.1.2 Sizing A simple method of sizing by reference point has been integrated into

4 Science Manual – Using Video Images for Fisheries Monitoring 2.2.4 Equipment housing At some sites, you may be lucky enough to have a gauging s

Science Manual – Using Video Images for Fisheries Monitoring 5 2.5.2 Retrofitting In many cases, it will be possible to retrofit video counting to

6 Science Manual – Using Video Images for Fisheries Monitoring Example use of selection matrix in Table 2.1 Scenario: • You have a 900

Science Manual – Using Video Images for Fisheries Monitoring 7 Table 2.1: Selection matrix for a video fish counting system Criteria System 1

8 Science Manual – Using Video Images for Fisheries Monitoring Table 2.2: System details System Comments System 1 • Single underwater sideways cam

Science Manual – Using Video Images for Fisheries Monitoring 9 System Comments System 6 • Two underwater sideways cameras opposite each other • W

10 Science Manual – Using Video Images for Fisheries Monitoring 3 Equipment 3.1 Housing A dry and secure housing within close proximity of the s

Science Manual – Using Video Images for Fisheries Monitoring 11 3.2 Power supply 3.2.1 Mains power If mains power can be installed at the s

ii Science Manual – Using Video Images for Fisheries Monitoring The Environment Agency is the leading public body protecting and improving the envi

12 Science Manual – Using Video Images for Fisheries Monitoring need more amps than your power source can supply over an acceptable period, forget

Science Manual – Using Video Images for Fisheries Monitoring 13 Fish sensitivity to light: References Atema J et al. 1988. Sensory biology of aqua

14 Science Manual – Using Video Images for Fisheries Monitoring Deep red fluorescent tube light panels were used on Cardiff Bay fish pass. These

Science Manual – Using Video Images for Fisheries Monitoring 15 For smaller sites, a less powerful LED lamp (Table 3.1) supplied by RF Concepts (Ta

16 Science Manual – Using Video Images for Fisheries Monitoring Table 3.1: Summary specification of the lighting equipment LED strip (449 mm) I

Science Manual – Using Video Images for Fisheries Monitoring 17 Figure 3.6: A low-budget underwater bullet camera with 30 m of cable 3.5 Recordi

18 Science Manual – Using Video Images for Fisheries Monitoring Standardised format: Is it compatible? Digital recorders are reasonably cheap and s

Science Manual – Using Video Images for Fisheries Monitoring 19 At the other end of the scale are the ‘MicroDVR’ class of recorders. As the name s

20 Science Manual – Using Video Images for Fisheries Monitoring 3.6 Data storage External USB hard drives are a flexible and simple way t

Science Manual – Using Video Images for Fisheries Monitoring 21 configured. In reality, an image analysis system requires at least a portion of the

Science Manual – Using Video Images for Fisheries Monitoring iii Science at the Environment Agency Science underpins the work of the Environment A

22 Science Manual – Using Video Images for Fisheries Monitoring relatively uniform. In less optimal conditions, the motion detection algorithm wil

Science Manual – Using Video Images for Fisheries Monitoring 23 Figure 3.9: FishRev screen showing sizing of the fish from the previous figure. S

24 Science Manual – Using Video Images for Fisheries Monitoring The display contains an editable data table (in .csv file format) and a display win

Science Manual – Using Video Images for Fisheries Monitoring 25 Table 3.3: A comparison of Fishtick and DVMD Criteria Fishtick (motion detection)

26 Science Manual – Using Video Images for Fisheries Monitoring Table 3.4: Equipment prices and supplier information Equipment Cost Supplier GRP e

Science Manual – Using Video Images for Fisheries Monitoring 27 Swann DVR card £99 www.dabs.com X200 DVR £2,400 Timespace Technology Ltd, Black

28 Science Manual – Using Video Images for Fisheries Monitoring 4 Contacts There is a wealth of knowledge and experience within the Environment Ag

Science Manual – Using Video Images for Fisheries Monitoring 29 5 Case studies 5.1 Haverfordwest Town Weir, River Cleddau Type of fish pass: Lar

30 Science Manual – Using Video Images for Fisheries Monitoring Figure 11: Installing equipment on Haverfordwest Town Weir fish pass (1,500 mm w

Science Manual – Using Video Images for Fisheries Monitoring 31 Results The data were recorded as MPEG4 video files (Figure 13) and played back th

iv Science Manual – Using Video Images for Fisheries Monitoring Acknowledgements The Project owes a big “thank you” to Jim Gregory, Emma Washburn

32 Science Manual – Using Video Images for Fisheries Monitoring 5.2 Warkworth, River Coquet Type of fish pass: Pool and traverse and Denil (Figur

Science Manual – Using Video Images for Fisheries Monitoring 33 Results Approximately 60 fish were used as a subsample with which to assess the sof

34 Science Manual – Using Video Images for Fisheries Monitoring Figure 16: Example image collected at Manley Hall using the camera and lighting ga

Science Manual – Using Video Images for Fisheries Monitoring 35 Figure 17: Larinier fish pass at Hampton Court on the River Lugg Figure 18: Infr

36 Science Manual – Using Video Images for Fisheries Monitoring Table 5.1: Fishtick parameter settings used for data collected from the case studi

Science Manual – Using Video Images for Fisheries Monitoring 37 6 References Washburn, E. 2007. Haverfordwest Town Weir Fish Pass: Development of

38 Science Manual – Using Video Images for Fisheries Monitoring Appendix 1: Provision for video monitoring of fish passes: outline specification fo

Science Manual – Using Video Images for Fisheries Monitoring 39 • Channel to extend to the top of the fish pass wall. • Removable flanges (100 mm

40 Science Manual – Using Video Images for Fisheries Monitoring Figure A1.1: Side runner detail and dimensions 620mm35 – 40mm30

Science Manual – Using Video Images for Fisheries Monitoring 41 50mm100mmmRemovable flange bolted tobase of camera channel atcorrect height to sit

Science Manual – Using Video Images for Fisheries Monitoring v Contents Science at the Environment Agency iii Acknowledgements iv 1 Introducti

42 Science Manual – Using Video Images for Fisheries Monitoring Camera mountedwithin a scaffoldclamp (detail below)Camera channelScaffold pole fits

Science Manual – Using Video Images for Fisheries Monitoring 43 Scaffold poleCameraKee Systems Clamp Type 114(Swivel Tee) Size 6Kee Systems clamp T

44 Science Manual – Using Video Images for Fisheries Monitoring 150mm maximum tocamera lensPosition of cameraPlate on wall of camerachannel to bolt

Science Manual – Using Video Images for Fisheries Monitoring 45 A1.2 Larinier pass A) If the pass is equal to or less than 900 mm wide, one came

46 Science Manual – Using Video Images for Fisheries Monitoring Water velocity Maintain water velocity of 0.5 ms-1 (coarse fish) to 1.0 ms-1 (salm

Science Manual – Using Video Images for Fisheries Monitoring 47 A1.3 Denil pass Where exit channel is present, use specification for a Larinier

48 Science Manual – Using Video Images for Fisheries Monitoring • The runner to have an inside depth of 35 to 40 mm, width of 620 mm and to extend

50 Science Manual – Using Video Images for Fisheries Monitoring Appendix 2: Model for calculating uncertainty Estimation of numbers of fish from

Science Manual – Using Video Images for Fisheries Monitoring 51 The addition of the IC improves the accuracy and precision of the estimates, but t

vi Science Manual – Using Video Images for Fisheries Monitoring 3.5 Recording Hardware 17 3.5.1 Mains Powered Recording Hardware 17 3.5.2 12-v

52 Science Manual – Using Video Images for Fisheries Monitoring count.fish=c(14,17,14,6), false.positive=c(4,6,1,1), vid=c(12,10,13,6), #vid2=c

Science Manual – Using Video Images for Fisheries Monitoring 53 Appendix 3: Fuel cell details

54 Science Manual – Using Video Images for Fisheries Monitoring

Science Manual – Using Video Images for Fisheries Monitoring 55 Appendix 4: Quote for ITX system

56 Science Manual – Using Video Images for Fisheries Monitoring Appendix 5: Fishtick price list

Science Manual – Using Video Images for Fisheries Monitoring 57 Appendix 6: Guide to the DVMD interface Installation • It is recommended that

58 Science Manual – Using Video Images for Fisheries Monitoring Figure 26: Settings menu in DVMD interface • The Track tab (under File or shortc

Science Manual – Using Video Images for Fisheries Monitoring 59 Figure A6.2: Track menu in DVMD interface To review files collected by the DVMD:

60 Science Manual – Using Video Images for Fisheries Monitoring Figure 27: DVMD interface video display

Science Manual – Using Video Images for Fisheries Monitoring 61 Appendix 7: Fishtick user manual

Science Manual – Using Video Images for Fisheries Monitoring vii Figure 16: Example image collected at Manley Hall using the camera and lighting

62 Science Manual – Using Video Images for Fisheries Monitoring Appendix 8: DVMD user manual

Science Manual – Using Video Images for Fisheries Monitoring 63 Appendix 9: How to make your own underwater light panel By: Mike Haley, MEICA Te

64 Science Manual – Using Video Images for Fisheries Monitoring 1. Connect LED strips together in required configuration. Space the strips about

Science Manual – Using Video Images for Fisheries Monitoring 65 5. Curing time is 20 hours at 25°C and one hour at 100°C. Thus, the compound curin

66 Science Manual – Using Video Images for Fisheries Monitoring 8. Fit light box lid using stainless steel screws. Transport light box to site. Be

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Science Manual – Using Video Images for Fisheries Monitoring 1 1 Introduction This manual details the equipment and methods required to record und