- Model WD3 - Leaf Image Analysis System

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The WinDIAS leaf area measurement system can measure percentage diseased leaf area, making it ideal for plant pathology, agronomy, phenotyping, plant physiology and forestry. Delta-T Devices was one of the first companies to develop leaf imaging technology for disease area estimation. The WinDIAS 3 Leaf Image Analysis System builds on that expertise, making use of high resolution camera and scanner technology to improve image quality, ease of use, and overall performance. WinDIAS software functionality has been enhanced with WinDIAS 3. It is now possible to import images from other devices (scanners, digital cameras, even webcams - although image quality will affect accuracy). It is now also possible to analyse multiple images of the same leaf/disease to create a virtual conveyor system - analysing 100 leaf images in minutes. Disease picking has also been enhanced with three user-defined thresholds available.

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WinDIAS Image Analysis System for Leaves

  • Measures healthy, diseased and pest-damaged leaf area
  • Advanced leaf area meter
  • Also measures perimeter, length, width, object count and more
  • Optional conveyor for high throughput
  • Ideal for phenotyping applications

WinDIAS software functionality has been enhanced with WinDIAS 3. It is now possible to import images from other devices (scanners, digital cameras, even webcams - although image quality will affect accuracy). It is now also possible to analyse multiple images of the same leaf/disease to create a virtual conveyor system - analysing 100 leaf images in minutes. Disease picking has also been enhanced with three user-defined thresholds available.

WinDIAS system options
Whether the need is for simple leaf area measurements or for a powerful, automated analysis system, researchers can specify a WinDIAS leaf area meter system that suits their particular requirements.

Rapid System
A powerful and complete leaf area system that can handle very long leaves and measure up to 800 leaves per hour. Includes video camera, camera stand, overhead lighting, WinDIAS Software and Conveyor Belt Unit.

Standard System
Similar to Rapid System but without Conveyor Belt option. Includes high resolution video camera. Typically processes 150 images per hour.

Entry Level System
Comprises WinDIAS Software and A4 flatbed scanner. Typically processes 50 images per hour (at high resolution).

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  • Point and click colour selection
  • Long leaf mode - measures leaves >1m length

The user can set three colour thresholds. The primary threshold defines the main zone of interest (typically the healthy leaf tissue); the secondary and tertiary thresholds are used for other zones such as diseased or variegated areas. Thresholds are set by simply pointing and clicking in different areas of the leaf with the mouse. The areas identified are made visible as overlays on the image.

Upgrades
Users of older versions of WinDIAS can upgrade to the full WinDIAS 3 specification. In most cases the lightbox, overhead lighting and camera stand will be compatible. Please provide full details of your existing accessories when requesting a quotation.

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  • Convenient measurement of large numbers of leaves
  • Long leaf mode - measures leaves >1m length
  • The Conveyor Belt Unit works with the WinDIAS system to offer a rapid and convenient method of handling large batches of leaves. The leaves are gripped and flattened by twin transparent belts which carry them past the camera. As each leaf passes the camera, a measurement is made automatically and recorded by the software. WinDIAS can also be used as a simple high speed leaf area meter.

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