Delta-T Devices WinDIAS 3 Quick Start Manual Download Page 15

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Page 15

Lens Focus and Aperture

The lens has an adjustable aperture and focus.

The

nurled nut on the aperture ring can be

used to lock the size of the aperture.

Sources of information

◼

WinDIAS 3

On Line Help

Documents installed on your Desktop along with WinDIAS 3

◼

WinDIAS 3.3 User Manual

◼

uEye Camera User Manual

◼

WinDIAS 3.3 Quick Start Guide

(this document)

◼

See the video at

https://youtu.be/HbXFOPJ5Jrc

Aperture

Focus

Summary of Contents for WinDIAS 3

Page 1: ...WinDIAS 3 Image Analysis System Quick Start Guide version 3 3 Delta T Devices Ltd ...

Page 2: ...Page 2 Overview USB video Import TWAIN Import TWAIN Scan to file Copy to file Scanner Digital camera Entry Note Not all TWAIN devices will work ...

Page 3: ...amera Optimise camera settings If using conveyor set shutter speed to about 10 msec to minimise mains flicker Pick colours Long Leaf Live video 1 Optimise and save camera settings 2 4 5 6 7 8 9 10 6 Video Camera Operations 3 Conveyor Live Video NGW 15 4 2011 and resolution Enable Video Pause Video to allow IDS uEye camera settings to be saved within Advanced Camera Settings ...

Page 4: ...area of interest 8 Define healthy leaf Define diseased leaf Area mode Specify area Measure Z o o m Save results to file D r a g C a l i b r a t e A r e a o f i n t e r e s t I m a g e P r i m a r y T e r t i a r y Aquire image Click here Then click here To Measure Diseased Leaf Area using a Video Camera Results Window Image Window Control Window Undo ...

Page 5: ...splay the CD Menu If this does not happen then from the Start menu browse to the CD and Run Setup exe If running Windows Vista or later you may be asked to confirm to run Setup 3 Install WinDIAS Select the link to the Installation Guide and read it Then when you are ready click the Install WinDIAS 3 link 4 Install the Video Camera driver Refer to the on screen guidelines and instructions to guide ...

Page 6: ... Video Advanced Camera Config Image parameters ensure Auto Gain is disabled In Image Processing enable Colour Correction In Color Settings with a live image of a black and white or grey target select One shot After a few seconds the camera finds the best correction and the option changes to Disabled Note The image must not saturate not RGB 255 255 255 all over See also the WinDIAS Manual To change...

Page 7: ...s its image file into WinDIAS 5 To save an image for batch processing later ensure the WinDIAS colour picking overlays are turned off then select File Export to save in BMP format See also Batch Processing 6 Lighting Cover windows Poorly controlled illumination can dominate the accuracy of your results Variations in lighting may also affect the accuracy of leaf images from flatbed scanners due to ...

Page 8: ...esults back into the same folder If you previously saved a WinDIAS wd3 format image file to this folder with the name Reference wd3 then WinDIAS will find it and use the settings from that file to process all the other images in that folder If no image file called Reference wd3 is found in the folder WinDIAS will use its current threshold settings and magnification Warnings If no threshold setting...

Page 9: ... called Results txt along with a second Settings txt file The Results txt file is formatted as tab separated values for ease of importing into spreadsheets such as Excel The Settings txt file contains the reference file name and path date and time and the mid value and range for each of the colour zones picked Tip To extract a record of the colour threshold settings from any wd3 image file save a ...

Page 10: ...running average and total seed area and from these two it estimates the total number From the measured variance in the individual seed areas and other paramters it also estimates a statistic representing the uncertainty in the total count shown as one standard deviation 6 Continue repeating steps 3 and 4 until you either run out of separate seeds or the statistic ceases to improve significantly 7 ...

Page 11: ...Page 11 Seed Counting via average area method 1 2 6 Prepare to measure next seed Click on seed to measure it 4 Colour pick to identify all seeds Measurement appears here as a row Repeat steps 3 4 3 5 ...

Page 12: ... weighing The standard deviation σr of the count is derived1 as follows 𝜎𝑟 2 n𝛾2 1 𝑛 𝑝 Where 𝛾 𝜎 𝑎 σ standard deviation of area of the individually measured seeds a average area of the individually measured seeds n estimated total number of seeds Total Area a p number of individual seeds identified and measured Conveyor Operations WinDIAS can automatically grab and measure the area of leaves fed i...

Page 13: ... picking thresholds until you are satisfied 11 Clear any unwanted results using the delete button 12 Enable Log data in the Area Control Window and name a results file in the Save As dialog 13 Feed leaves carefully into the conveyor one at a time See also the online Help and WinDIAS User Manual How to Measure Long Leaves Use this for leaves which are too long to be grabbed all at once The Long Lea...

Page 14: ...ley and lock it in place Re tension the drive band to eliminate slip Do not over tighten Keep all liquids away from the drive band and pulleys Belt Removal De tension the belts Remove the line guides Unlock and release the roller shafts Lift out each belt and its pair of rollers On re assembly locate the bottom roller inside the rubber drive band Belt Renewal and Cleaning Cut the new material to l...

Page 15: ...ure ring can be used to lock the size of the aperture Sources of information WinDIAS 3 On Line Help Documents installed on your Desktop along with WinDIAS 3 WinDIAS 3 3 User Manual uEye Camera User Manual WinDIAS 3 3 Quick Start Guide this document See the video at https youtu be HbXFOPJ5Jrc Aperture Focus ...

Page 16: ... likely cost and delay We normally expect to complete repairs within one or two weeks of receiving the equipment However if the equipment must be forwarded to our original supplier for specialist repairs or recalibration additional delays of a few weeks may be expected For contact details see below Technical Support Users in countries that have a Delta T distributor or technical representative sho...

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