remote_transfer

Remotely transferring images from the Pi

By Chris Lucani -

Instead of transferring captured images from the Pi using a USB stick it’s far more efficient to remotely transfer them over a network connection. First, make sure your Pi and the computer you want to transfer the files to (the local computer) are connected to the same network. Most mobile phones have a ‘Mobile Hotspot’…

Uninterrupted power supply for the RaspberryPi setup using a battery and power converter

Uninterrupted power supply for the RaspberryPi setup using a battery and power converter

By Markus Nolf -

As part of an Australia-wide research project, we frequently take our optical setup to remote field stations where continuous power supply isn’t always guaranteed. To cope with the occasional power outage, we are now powering our RaspberryPis through a 12V battery block using an UBEC switching power converter. The battery itself is trickle-charged from a…

20170502_104326_007

Sample selection and preparation

By Chris Lucani -

The optical method, as the name suggests, is a technique that relies heavily on optics to identify the visible changes that accompany drought stress in plants. These changes occur because light interacts differently with xylem that is water-filled vs air-filled, resulting in a subtle change in brightness that can be captured using a camera or…

Group

Creating animated GIFs using ImageJ

By Chris Lucani -

There are a number of ways of creating animated GIFs for upload to the OpenSourceOV gallery. Aside from online tools such as http://gifmaker.me/ there are also desktop applications like GIF Toaster for mac or GIF Maker for windows, as well as Adobe Photoshop, but the easiest way is to use ImageJ which you’ll already have installed for processing…

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Contributing

Integrating image capture and processing with 3rd party processes (or… how to build your own Caviconsole GUI!)

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Eucalyptus regnans stem
Captured by Chris @ the Brodribb Lab. This is the sequence before processing. Large sequence (~9MB) - may need to wait for it to load to run smoothly.