ImageMagick TM is a free software suite to create, edit, and compose bitmap images. RMagick is a binding from Ruby to the ImageMagick TM image manipulation library. Viewing the converted image using Ruby, means it is time to install RMagick.īut, what is RMagick? Based on RMagick’s user guide: To install Ruby DICOM, run the following command in the terminal: It also features basic support for select network communication modalities like querying, moving, sending and receiving files. Ruby DICOM supports reading from, editing and writing to this file format. It includes a file format definition and a network communications protocol. DICOM (Digital Imaging and Communications in Medicine) is a standard for handling, storing, printing, and transmitting information in medical imaging. Ruby DICOM is a small and simple library for handling DICOM in Ruby. Ruby DICOM is the library we will be using to convert DICOM to JPG. If you’re not on Ubuntu, install Ruby for your OS with the link below: It should look something like this: ruby 2.1.2p95 () The following command will display the version of Ruby version installed: ruby -v If you don’t have Ruby installed, run the following command in the terminal to install Ruby: sudo-apt get install ruby-full Let’s get started by making sure the environment has everything needed. Almost anything can read or manipulate a JPG. In these cases, the image part of the DICOM file serves the purpose. One of the aims of this series is to perform different image processing and computer vision tasks on medical images, like detecting a tumor, for instance. When we convert the DICOM file to an image, we are making the image anonymous, as the patient’s information is no longer there. This could be a violation of patient privacy. Thus, when transferring such files online, this sensitive information is exposed. Obviously, this makes it much easier to share online.Īs previously mentioned, DICOM files contain important data about patients. Since we aim to work with the image part of the file only, converting to a JPG will both give an image and reduce file size. Why convert a DICOM image to an image format like JPG? This are several potential reasons, some of which are:ĭICOM files are known for their large sizes. Of course, there is much more to DICOM, but it is beyond the scope of this article. It is also used to search and restore studies in the archive. The DICOM network protocol is used by medical applications connected to a hospital network to exchange information. This format not only includes images, but it also includes the patient’s information (i.e., name, gender, birth date), the equipment data (meaning, the device used), and other information. The core of the DICOM file specification is both a file format and a networking protocol.Īll medical images are saved in such the DICOM format ( i.e. Such medical images support DICOM and use it extensively. Surely you’ve heard of terms like X-Ray, Ultrasound, CT, and MRI. I’ll use Roni’s post to briefly describe DICOM here. I really liked this post by Roni, where he introduces DICOM (Digital Imaging and Communications in Medicine). Just to get you through this fray, let me start by introducing DICOM, the file format used as a starting point for this article. Many of you are probably not too familiar with medical terms.
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