Popup menus in browser version of imageJ may hide important functions If you don’t know what this means, then you can either check to see if your computer has a JRE installed, or try to install and run ImageJ without the included JRE (it’s a smaller download) - if ImageJ won’t run, you’ll need the JRE. ImageJ (and therefore Fiji) is written in Java, and so can be run on any operating system (e.g., macOS or Windows 10) provided a current “Java run time environment” or “JRE” is installed. Install to your computerĭownloading ImageJ or Fiji for your computer. Decide which software you want You may access the browser version directly at, or from links at imageJ website. If you analyze images often, install imageJ to your computer. For occasional use, the browser version is the way to go. Recently, the good folks who support imageJ have made a version that can be run in your browser, which means you don’t have to install the software onto your computer. Both work although you may find that an installed imageJ on your computer will behave better than the browser version. You can choose to run imageJ in your browser, or install to your computer. Plug-ins have been written by many users to extend the function of ImageJ - I therefore prefer to download and install Fiji (which stands for Fiji is just ImageJ) because Fiji comes with many useful plugins already installed and added to the basic ImageJ program. Non commercial versions also exist, for example, ImageJ. Some of you have already been introduced to Nikon NX Studio for microscopy (NX Studio is now free with registration to download). Working with digital images requires image processing software. This post is not about how to acquire good quality images suitable for “science,” but instead briefly introduces you to free software that can be used to extract data from images. Today, we mostly work from digital images. On this page I introduce you to imageJ and show, after brief introduction to installing the software or accessing via browser, how to get simple measures of length and area from a digital image.įrom time to time we need to extract data from images. This page has 12 images, so it may take a while to load
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