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Non-Mydriatic Retinal Camera
CR-DGi Image Viewer
User ’s Manual
Version 1.00
Be sure to always read this user ’s manual before using this product.
Keep this manual in a safe, easily accessible place for future reference.
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To the Customer 1. Follow all applicable laws and regulations in the capturing, image processing, interpretation, storage, and other handling of medical images. 2. It is the responsibility of the customer to maintain confidentiality of image data. 3. Canon shall bear no responsibility for any damage, direct or indirect, resulting from the use of this product. Also, Canon shall not provide any compensation for any image data that is lost due to any cause whatsoever. 4. Read the license
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Contents 1. Introduction ...................................................................................................................................................11 1.1 Overview........................................................................................................................................................1 1.2 Operating Environment.................................................................................................................................
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Usage Precautions Be sure to always observe the following precautions. 1. Never use general-purpose image retouching software to edit or overwrite the images files for the CR-DGi Image Viewer. The study information and image information written into the image file can be corrupted or become unreadable. 2. Do not use the preview screen in Windows XP to rotate an image file for the CR-DGi Image Viewer. If an image is rotated, the study information and image information written into the
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1. Introduction 1.1 Overview This software package is a viewer application specifically for the Canon Non-Mydriatic Retinal Camera CR-DGi (called “CR-DGi ” below). Retinal images captured from the EOS digital camera installed on the CR-DGi are automatically loaded, and special CR-DGi image processing is performed to display the images. If necessary, the study information is recorded together with the image and saved to a folder created for each capture date. Images captured using
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1.3 Image Management of the CR-DGi Image Viewer Images recorded by the CR-DGi Image Viewer are rotated 180 degrees, combined with an aperture mask, and then displayed on the monitor. When an image is saved, image information and study information are added to the appended information of the JPEG image, and the image is saved to a folder with the capture date. Under the standard settings, only JPEG images are saved, but it is also possible to save uncompressed image formats such as BMP and
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Format of saved files CXXXXXXX.jpg This is the standard format for compressed image files that are saved. The file name is ‘C ’ + a 7-digit number. This 7-digit number is the same regardless of the format. This image file contains the following information. Item Description 1 Serial number This is the same number in the file name and cannot be changed by the user. 2 Capture date and time This cannot be changed by the user. This is a four-digit number that counts up whenever an im
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2. Preparation and Basic Operations 2.1 Preparation Click the shortcut on the Desktop, or from the Start menu, select Programs > Canon CR-DGi Image Viewer > CR-DGi Image Viewer V1.00 to start the software. The main window of the software opens. Click the Setup button. The Setup dialog box opens. Select the Save tab. Select Date order. Insert a check mark for bmp if saving in an uncompressed image format. 4
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2.2 Main Window 5
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Item Description This is used when saving the captured image or saving corrected image 1 Save button information. 2 This is used to correct the study information for a saved image. Correct button 3 This displays the Print Preview screen for the selected image. Print Preview button 4 This deletes the selected image. Erase button 5 This opens the Setup dialog box. Setup button 6 This is used to adjust the image brightness and contrast. Adjust Image button 7 This displays the JP
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2.3 Connecting to the Digital Camera Refer to the Retinal Camera Operation Manual for the attachment procedures for the retinal camera and digital camera. Load a CF card into the digital camera. Use the supplied interface cable to connect the camera and PC. If the cable is not long enough, do not use a USB hub. Instead, obtain an extension cable. The maximum allowable length of the USB cable is 5 m. Turn on the retinal camera. Do not switch the retinal camera to retinal imag
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To disable opening of the event window for the device: Windows 2000 Go to Start Settings Control Panel, and then open “Scanners and Cameras ”. Check that “EOS xxx ” is selected, and then click the Properties button. Open the Events tab in the EOS xxx Properties dialog box, insert a check mark for “Disable device events ”, and then click the OK button. Windows XP Go to Start My Computer, and then right-click “EOS xxx ” to open the Properties dialog box.
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2.4 Basic Operations 2.4.1 Capturing and Saving To capture the retina, select the Capture tab. Check that the connection status is “Connected ” before starting capture. When capture is started, the connection status changes to “Downloading … ”, and the transfer of the captured image from the digital camera is started. When the transfer is complete, the captured image is displayed in the thumbnail display area and main image display area. Click the button to save. Once the image is save
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2.4.2 Viewing Click the Folder tab. Select the folder with the capture date from the folder list. Thumbnails of images saved to the selected date folder are displayed in the order that the images were captured. Find the counter number of the image that you want to view, and then select the image to display it in the main image display area. 2.4.3 Printing Images can be printed from either the Capture tab or Folder tab. Select the image to be printed, and then click the button. Print
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3. Screen Operations 3.1 Capture Mode and View Mode Capture mode is started when the tab is selected. Select the Capture tab when capturing images. Select the tab to start View mode. This is used to display saved images. 11
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3.2 Thumbnail Window Thumbnails are displayed from left to right and top to bottom in the order that they were captured. Left-click the mouse to select an image. The selected thumbnail is indicated with a blue frame. The selected thumbnail image is displayed in the main image display area below the thumbnails. Press the right arrow key to move the selected image to the right. Press the left arrow key to go back. Pressing the down key moves selection to the thumbnails in t
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You can change the number of displayed thumbnails by moving the boundary up or down for the thumbnail image display area and main image display area. Enlarge the thumbnail display area when there are large numbers of thumbnails. 13
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3.3 Main Window This displays the selected thumbnail. The size of the image in the main window is adjusted to the size of the display area. A larger image can be viewed if the display area is enlarged by adjusting the borders. Pressing the + key enlarges the image, and pressing the – key reduces the image. To view the image at its original size, select the Original size command from the View menu. To view the image so that it matches the main window, select the Fit imag
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3.4 Entering and Correcting Image Information 3.4.1 Entering Image Information By entering the Study Information in Capture mode, the same information can be entered for all images captured at a single study. Image-specific information is entered from the R/L eye and Comment fields of Image Information. The example shows the recorded information when three images are captured in a single study, and the Study Information and Image Information are entered and saved. Information Field
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3.4.2 Correcting Image Information Study information is corrected and added from View mode. Select the date folder, and then select the image to be corrected. Click the button. The fields for Study Information and Image Information in the Information screen can be entered. Correct or add the Study Information. Click the button. The fields for Study Information and Image Information in the Information screen are grayed out to indicate that corrections can no longer be p
