Minolta DiMAGE Viewer instruction manual WHITE, BLACK, and GRAY-POINT Corrections

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WHITE, BLACK, AND GRAY-POINT CORRECTIONS

On the tone-curve / histogram palette, corrections can be made by specifying a white, black, and gray point within the image. Locating an appropriate neutral area within the image is critical to correctly calibrate the software. When the dropper tool is selected, the RGB display is active and can be used to evaluate the image area. All changes are imme- diately reflected in the displayed image.

Click the white-point button; the mouse point- er changes to the white dropper tool.

With the dropper tool, click on the brightest neutral area of the image to define it as the white point. The values of the image will be adjusted based on the selected point. The default level for the white point is 255 for each RGB channel.

Click the black-point button.

With the dropper tool, click on the darkest neutral area of the image to define it as the black point. The values of the image will be adjusted based on the selected point. The default level for the black point is 0 for each RGB channel.

52ADVANCED IMAGE PROCESSING

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Contents SY-A306/ME-0306 Page Before YOU Begin Table of Contents Advanced image processing Dimage Viewer System Requirements Before Installing the Dimage Viewer Quicktime System RequirementsInstalling the Dimage Viewer Windows Page Installing the Dimage Viewer Macintosh Page Starting UP the Viewer Windows Starting UP the Viewer Macintosh Loading Image Files Updating the Thumbnail WindowOpening Audio Files Voice memo / Audio caption Audio recordingChanging the Display Format Changing the Thumbnail Format Sorting Image Files Selecting ThumbnailsRenaming Single Files Renaming Multiple FilesCreating Folders Moving Images to Another Folder Copying Images to Another Folder CUT, COPY, PASTE, and Delete Windows CUT, COPY, PASTE, and Delete MacintoshDisplaying and Saving Image Information Image Information Setup Editing the Subject LineIMAGE-CORRECTION Window Tool bars Displaying Images in the IMAGE-CORRECTION Window Flip and Rotate Images Fit-to-window button Controlling the Image DisplayResizing the viewer window Magnifying tool Grab toolMenu options Variation Palette Page BRIGHTNESS, CONTRAST, and COLOR-BALANCE Palette AN Introduction to Color RED Magenta Yellow Blue GreenComparing PRE and Post Correction Images Undoing and Redoing AN Image Correction Processing Images Text and Line ARTData Imprinting Basic Image ProcessingLuminance Resizing AN Image to be Saved Saving AN ImageChanging the Image Name or Format Printing Printer setup Creating AN Index Sheet Page Advanced Image Processing TONE-CURVE / Histogram Palette Using the Tone Curve Drawing Tone Curves by Freehand Short Guide to TONE-CURVE Corrections Bring out detail in the shadowsIncreasing contrast Correcting colorWHITE, BLACK, and GRAY-POINT Corrections Page Setting the White and BLACK-POINT Values TONE-CURVE / Histogram Auto SET Ting Displaying the Color HistogramsHistogram Corrections Page Short Guide to Histogram Corrections Page HUE, SATURATION, and Lightness Palette Auto-setting button HUE Correction ExampleSharpness Low-frequency setting Area Marquee Saving or Printing a Portion of AN Image Tracking Image Corrections Snapshot Button Saving Image Corrections Loading IMAGE-CORRECTION Jobs Processing RAW Images Page Saving RAW Images Saving RAW Jobs Loading RAW JobsBatch Processing Page Movie Enhancer Flicker Correction Editing Movie Files Splicing two movie clipsCopying sections from one movie to another Correcting Movie Images Page Advanced Setup Customizing the Viewer PreferencesPage Color Matching Color Preferences Page Using Printer ICC Profiles Using Monitor ICC Profiles About Dimage Viewer ICC ProfilesICC Profile Locations WinntWindows Uninstalling the Dimage ViewerMacintosh Copying JOB Files Macintosh OS Embedded Camera Color Profiles Page 1AG6P1P1616