HP SCP Software for s Limit, Display Transfer Function, Hint Using the adaptive sharpness filter

Page 69

Limit

You can determine for each filter up to which or from which value they will work. The left entry field works in combination with the smoothing filter (lower field under L E V E L ); the right one with the sharpening filter. Picture sections whose contrast is under the value set in the left field will be smoothened; sections with contrast values greater than the figure entered in the left field will be sharpened. Pictures sections with contrast values between those of the left and right fields will be sharpened or softened according to their contrast.

100:max. contrast Default value: 30 – 50

Display Transfer Function

Activate this check box to check the effects of sharpness and smoothing filters. Areas that have been sharpened are displayed black; areas appearing white have been smoothed. By using the DI SP LAY T RANSFER FUNCTION option it is easier to find a clear edit.

Hint: Using the adaptive sharpness filter

SHARP and SMOOTH are combined in ADAPTI VE SHARP NES S to allow you to reduce apparent raster pattern without undesirable side-effect: text and edges remain sharp and can even be sharpened.

ADAPTI VE SHARPNESS is made of two unique filters, both possessing the features of SHARP and SMOOTH , whose intensity can be adjusted in the entry fields under L E V E L . The upper entry field controls foreground objects that should be enhanced, such as text, whereas the lower field is for image backgrounds needing smoothing. With both filters, you will reach a maximum smoothing effect at 0 and a maximum sharpening effect at 100.

LI MI T works as a threshold. The figures entered on the abscissa are contrast values. 0 stands for minimum contrast, 100 for maximum contrast.

The left entry field is dedicated to the background and affects the smoothing filter, which will be applied up to the value entered. In the right entry field, corresponding to foreground objects and the sharpening filter, enter a value from which the sharpening filter will be applied.

Both smoothing and sharpening filters will be applied to values between the two ones entered as L I MI T .

If you want

to be supported by

finding an

adaptive sharpness, click the button CALCULATE

ADAPTI VE

SHARPNESS VALUE .

Now you

are enabled to draw a rectangle area in the little

PREVIEW or Z OO M window. Note that the area should not be too small and the area is homogeneously filled with raster. After successfully selecting an area, the values of LEVEL, LIMIT and FILTER RADIUS (explained above) are automatically adapted.

To use this filter:

Open the filter editor and select the tab SPECI AL FI LTER .

Make a PREVIEW .

Select ADAPTIVE SHARPNESS .

Now look in our before/after illustrations at the effects reached by the adaptive-sharpness filter:

Step 1: Setting the level of the smoothening filter

Move the boxes to the extreme right in the histogram, at about the middle in the height.

You will see raster pattern in the zoom window. Move the left or lower box towards the bottom of the histogram until the raster pattern disappears. Usually, the box must be moved almost to the base of the histogram.

69

Page 68 Page 70
Image 69
Page 68 Page 70
Contents SCP reprocontrol for HP Manual Content Create USER-DEFINED Formats REPROCONTROL.CLIENT Main Applications Setting the Black and White Points with the Pickers Emove Done JOB Records After System Requirements Introduction / RequirementsHardware Requirements Operating SystemsInstallation Printer installationInstallation of the Hardlock Installation of the Program Reprocontrol.server Page Login Keycode Entry Hardware Configuration Printer ConfigurationPrinters / Queues Delete Printer Single Configuration DialogsName / Connection Configuration WizardPrinter Name Windows SpoolingPlacement Rotate AlignmentRollwidth tolerance Technical Label Define Medialist Configuration / Loaded ConsumablesDefault Settings for Print Options Page Calibration for RIP CalibrationExport to Library Profile Library Get ProfilesOn-site Calibration Spectrophotometer Calibration Target Print TargetEdit media parameters Reset media parametersEdit size correction Delete CalibrationTarget Selection Tab General Create QueueQueue PrinterPicture Edit Settings Use Printer Default SettingsMedium Set Print SizeTab Output Options CopiesSet Output Size Queue description Tab QueuePriority De-/Activation of the QueueSet User Rights to change Queue Listen to LPRListen to raw port Tab Hpgl Load Sharing Create Printer ClusterSimulation of a multiroll printer Cost optimizingPage Max. Print size Wait for best fitting Printer when busy Distribute jobs among similar printers of the clusterAllow monochrome prints on color printers Tab General PreferencesPaper Format Create user-defined formatsShow warning when configuration changes Simple filter editor by Default for RIPShow warning when unsaved changes will be deleted UnitUse compressed transfer File Menu Bar OptionsFiles to Print Selection ExitConfiguration Printers/QueuesPreferences Save preset Load presetSet as default Apply Settings GloballyChange password Preview ViewShow button caption Show preflightEdit Switch activeDown Activate allInfo ActionsHelp Basics Reprocontrol.client main applicationsFeatures of the Toolbar Reload Job Start new jobPreview RIP Preview Reset AOI Setting Apply FilteringSelect an Area Edit AOISoftproof Show Gamut WarningEdit Images and Output FileUse Color Management Print Size Original SizePrint Mode FilterBrightness Pen Settings User Pen Settings Change Pen ColorSave / Load Pen Parameters Functions and Structure of the Filter Editor Filter EditorPreview of the Filter Editor Histogram Black Point Adaptive Setting the Black and White Points with the PickersWhite Point Adaptive StaticContrast Text/BackgroundTab Postprocessing Black & White Mode DespecklingTo use this filter Inverted Hole FillingTab Gamma Correction Color Mode without Color Management Gamma Gamma slidersGray Balance Sliders for the White Point Tab Enhancement Color Mode with Color ManagementNone Tab Special Filter All Modes except of Black & White ModeAdaptive Sharpness LevelHint Using the adaptive sharpness filter LimitDisplay Transfer Function Smooth SharpFilter Radius µm Tab Color Adjust Color Mode with Color Management Tab Color Exchange Color Mode with Color Management Lab Color Space Reprocontrol.WinDriver Tab Settings WinDriver SettingsUse last settings Tab LogUsing the WinDriver Tab Jobs Reprocontrol.monitorButton commands Tab Connection Tab Printers/QueuesMenu Options Tab Configuration KeycodeJob Database Unit Summary CosttrackerDetails Page Export PreferencesCalibration of the costtracker Reprocontrol.backup
Top Page Image Contents