How to Use Onis 2.5 Free Edition to View DICOM Images
Onis 2.5 Free Edition is a DICOM viewer that allows you to view medical images from any modality and any manufacturer. It is completely free of charge and aimed at non-professional users and radiology students. In this article, we will show you how to use Onis 2.5 Free Edition to view DICOM images from different sources.
What is DICOM
DICOM stands for Digital Imaging and Communications in Medicine. It is a standard format for storing and transmitting medical images, such as X-rays, CT scans, MRI scans, ultrasound images, etc. DICOM files contain not only the image data, but also metadata, such as patient information, image parameters, annotations, etc. DICOM files can be stored on disks, CDs, DVDs, or servers.
How to Install Onis 2.5 Free Edition
To install Onis 2.5 Free Edition, you need to download it from the official website[^1^]. The installation file is about 27 MB in size. After downloading, run the file and follow the instructions on the screen. You will need to accept the license agreement and choose a destination folder for the program. The installation process should take only a few minutes.
How to Open DICOM Images with Onis 2.5 Free Edition
Onis 2.5 Free Edition can open DICOM images from different sources: folders, optical drives, or remote servers. To open DICOM images from a folder on your disk, you need to use the Folder Sources plugin. To open DICOM images from an optical drive (CD or DVD), you need to use the Optical Sources plugin. To open DICOM images from a remote server, you need to use the Dicom Client plugin.
To use any of these plugins, you need to activate them first. To do that, go to Tools > Plugins Manager and check the boxes next to the plugins you want to use. Then click OK.
To open DICOM images from a folder on your disk, go to File > Open Folder Source and browse to the folder where your DICOM files are located. Then click OK. Onis will scan the folder and display the images in the database window.
To open DICOM images from an optical drive (CD or DVD), go to File > Open Optical Source and select the drive where your DICOM CD or DVD is inserted. Then click OK. Onis will scan the disk and display the images in the database window.
To open DICOM images from a remote server, you need to configure the server settings first. Go to Tools > Options > Dicom Client and enter the server name or IP address, port number, AE title (Application Entity title), and timeout value for the server you want to connect to. You can also add multiple servers by clicking Add Server button. Then click OK.
To open DICOM images from a remote server, go to File > Open Dicom Client and select the server you want to connect to from the drop-down list. Then click OK. Onis will query the server and display the images in the database window.
How to View DICOM Images with Onis 2.5 Free Edition
Once you have opened DICOM images with Onis 2.5 Free Edition, you can view them in different ways: single image mode, series mode, or layout mode.
To view a single image, double-click on it in the database window. The image will be displayed in full screen mode with a toolbar at the bottom.
To view a series of images (such as CT or MRI slices), select them in the database window and click on Series button on the toolbar. The series will be displayed in a grid with a slider at the bottom.
To view multiple images or series in a custom layout (such as two-by-two or four-by-four), select them in the database window and click on Layout button on the toolbar. The layout window will appear where you can drag and drop images or series into different cells.
In any of these modes, you can use various tools to manipulate the images, such as zooming, panning 061ffe29dd