Minolta AF-2820U manual Correcting the Tone Curves, Changing Tone Curves by Freehand

Page 67

TONE CURVES/HISTOGRAM

Correcting the Tone Curves

Changing the shape of a correction curve changes the output level for each corresponding input level. Changing the shape of the red, green, or blue curves affects color balance of the image. Changes to the RGB curve affect the image contrast and brightness.

1.Click on the arrow next to the channel selection list to display the available channel (R, G, B, RGB).

2.Select the channel of the color to be corrected.

3.Click and drag the portion of the curve to be changed.

•The coordinate value of the cursor is displayed from 0 to 255.

•The corrected image by changing the tone curves is applied to the prescan image.

•You can also change the tone curves by freehand.

Changing Tone Curves by Freehand

This function allows you to draw tone curves by freehand.

1.Select the channel of the color (R, G, B, RGB) to be corrected from the channel selection menu.

2.Click on .

•The cursor changes to the pencil shape.

3.Draw the desired curve by dragging.

•To smooth out the curve points, click on .

•The change will be reflected in the prescan image.

Dimâge Scan Dual II

67

Image 67

Contents 9224-2886-11 H-A006 Page To avoid fire or electric shock For Proper and Safe USEPackage Contents Overview Table of Contents Table of Contents Final Scanner Names of Parts System Requirements PC/AT Operating System Mac OS 8.5 Memory System Requirements MacintoshPage Scanner Setup Select United States/Canada in the Select Country window Installing the Photshop LE WindowsInstalling Photoshop LE Windows 98/2000 Select the following either one in the install dialog boxInstalling the Photoshop LE Macintosh Then click on Finish Installing the Software WindowsInsert the Dimâge Scan Dual2 CD-ROM into the CD-ROM drive Then click on Next Click on NextAfter reading the agreement, click on Yes Click on Browse to select another destination directory…Click on Close Click on Finish Click on Installing the Software MacintoshDouble-click on Double-click on Driver folderInstalling the Software Macintosh Connecting the AC power adapter and the USB Cable Connecting the HardwareConnecting the Hardware Easy Scan Utility Starting up the utility software Launching Easy Scan UtilityEasy Scan Utility Window Name of parts Easy Scan Utility WindowLoading the 35 mm Negative Film Holder FH-U1 Loading the Film HolderInsert slides into the slide mount holder emulsion side up Loading the Slide Mount Holder SH-U1Slide the film-chamber release as shown APS Adapter OptionalNames of Parts Loading the APS AdapterInserting the Film Holder Into the Scanner Inserting the APS Adapter Selecting the film type Specify the Film TypeRotate Setting the usageEasy Index Scan Image CorrectionClick on the Scan button to scan Specifty the JOB TYPE/SAVINGPage Index Scan Launching the Twain Driver Windows Launching the SoftwareDouble click on Launching the Plug-in MacintoshLaunching the Utility Software Windows MacintoshMain Window Name of Parts Command window part Name of partsMain window Click on in the Command window Setting the PreferencesSet the preferences as desired Setting the Preferences Click on to accept the new preference settingsSetting the Film Type Index tab part Names of Parts Index Scan Name of PartsClick on Index tab in the Main window Index scan Index ScanChanging the Window Size Click on to scan the selected image s Scanning the ImageSelecting Frames Click on an image to select it for scanningReversing Frame order Rotating the Index FramesSelect the desired frames, then click on , or Macintosh Saving Index Scan ImageClick on the Save Index Image button in the Main window WindowsClick on the Save Index button in the Main window Saving Index Image FileClick on the Read Saved Index button in the Main window Loading Index Image FileSelect the index file to be read and then click on OK Preview Scan Prescan tab part Names of parts PrescanClick on the Prescan tab in the Main window Prescan Orienting the Image Flip Magnifying or Reducing the View Click anywhere on the image to zoomClick anywhere on the image to zoom out Full screen viewClick on and drag the image to the desired location ScrollUse the grab button to scroll an enlarged image Click on in the Prescan image display areaSelect another image, then click on Setting AE-LockCancelling AE-Lock AUTO-EXPOSURE LockClick on Press the Shift key AE Area LockWhile pressing down the Shift key, change the AE area Focus Focus Point AFClick on the area of the image to be in the sharp focus Click on the area of the image to be in sharp focus Focus ManualClick on the cropping frame and drag the pointer in or out Cropping the ImageAuto Cropping CroppingPrescan and Image Correction Click on to display the APS cropping frames APS formats C, H and P APS onlyRGB/CMY information Displaying Frame numberImage Correction Image Correction tab part Names of parts Image CorrectionClick on the Image Correction tab in the Main window Insert the check mark in the Select exposure keyword. item Auto Image CorrectionSelect a scene Tone CURVES/HISTOGRAM Changing Tone Curves by Freehand Correcting the Tone CurvesDraw the desired curve by dragging Drag the slider to move it to the desired Correcting the HistogramLevel or input the value in the text box Input the desired black point value Click on Setting the White or Black pointsInput the desired white point value Click on Click the desired highlight point of the imageClick the point to be changed to gray in the image Auto SettingReset Viewing the Histogram of Images After Making CorrectionsClick on in the Image Correction tab BRIGHTNESS/CONTRAST/COLOR BalancePost-Correction LUT HUE/SATURATION/LIGHTNESS HUE/SATURATION/LIGHTNESS Variation Dialog Box Names of Parts Variation CorrectionSelecting the Correction Item Brightness & Contrast Correction Color Balance CorrectionClick the color balance Changing the Amount of Correction Step Saturation CorrectionClick on the thumbnail in the Snapshot Display Area SnapshotStoring in the Snapshot Display Area temporarily Displaying the image stored temporarily as a prescan imageDelete the Image Correction Cancelling Image CorrectionCancelling the Image Correction Redo the CorrectionFull-Screen View FULL-SCREEN ViewChecking the Correction Result While Lining Up Images Saving an Image Correction Job JOB SAVE/JOB LoadInput the job name and click on Select the image correction job and click on Loading Image Correction JobNavigation Final scan Scan settingCreating a job Deleting a job Job type Scan Settings part window Names of parts Scan SettingsScan Settings Enter the desired output size maximum 3 digits Creating a Job CREATING/DELETING JOB FilesDeleting a Job Scan JOB Type DefaultScan Job Category Description Click on in the Main window Final ScanTwain Driver/Plug-in Software Utility SoftwareNavigation Dialog box Name of parts NavigationNavigation Menu Select the setting to be deleted and click the Delete button Saving, Selecting and Deleting a Navigation SettingAppendix Color Matching in the Preference Dialog Box Name of parts Color MatchingICC profile setting Output color space settingSelect the ICC profile according to the monitor being used Color Laser Printer Scan JOB File List 35MMScan JOB File List 35MM Photosensitive Scan JOB File List APSContrast GlossaryShadows Trouble Shooting Specifications Determining the version number of your driver software User Technical SupportWhen the PC does not recognize the Dimâge Scan Dual When the Add New Hardware Wizard window is displayedAppendix B Click on Next Click on Finish Click on OK Power of the Dimâge Scan Dual II is not turned onDimâge Scan Dual II is not connected to the PC correctly Dimâge Scan Dual II does not appear in the Device ManagerDimâge Scan Dual 107 For Windows 2000 Users Switch off the scannerMinolta