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Microtek ArtixScan 4500t, Справочное руководство

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94          Microtek ScanWizard Pro for Macintosh

Use the Color Cast
Eyedropper to add or
remove a color cast.

It is more convenient to use the Color Cast Eyedropper tool in removing or a
adding color cast. Click the Color Cast Eyedropper in the Color Cast dialog box.
Then move to the thumbnail in the dialog box or the preview image in the
Preview window, and pick the color cast to be added or removed.

Color Cast tool continued...

Содержание ArtixScan 4500t

Страница 1: ...i Microtek ScanWizard Pro Reference Manual Macintosh version...

Страница 2: ...be familiar with such Windows concepts as pointing clicking dragging and selecting from menus and dialog boxed If these things are new to you refer to your Microsoft Windows User s Guide October 2001...

Страница 3: ...urrent Context Path 10 Quit 10 The Scanner Menu 11 Scanner Model 12 Current Scanner Info 12 Scanner Probe 12 Scanner Driver Manager 13 To add a scanner 13 To remove a scanner 14 To update your scanner...

Страница 4: ...41 G Scratch Directory 41 The Correction Menu 42 The Help Menu 42 The Toolbar 43 Scan Frame tool 44 Zoom tool 45 Pane tool 46 Tag Windows tool 47 To create a tag window 47 To close a tag window 48 Ch...

Страница 5: ...ttings 66 D Image size 66 E Unit of Measurement 66 Scan Frame options 67 A Fixed Scan Frame 67 B Fixed Output Size 67 C Keep Proportion 67 Transform 68 Scanner Profile 69 Image Category 70 The Advance...

Страница 6: ...105 Sharpen filters 105 Edge Enhancement filter 106 Emboss filter 106 Unsharp Masking filter 107 Gaussian Blur filter 108 Descreen 109 Brightness and Contrast tool 110 Color Correction tool 111 Thresh...

Страница 7: ...d Information 134 The Idea Behind Color Management 134 How Color Management Works 135 How CMS Translates between Devices 135 What are Device Color Profiles 136 Where Do Color Profiles Come From 136 A...

Страница 8: ...ibes the various commands and features found in the ScanWizard Pro scanning software for Macintosh The reference information is organized in four parts corresponding to the four major windows of the p...

Страница 9: ...ime You may hide or show the Scan Job and Information windows by clicking on the Hide Show toggle commands in the View menu of the Preview window Scan Job window provides functions for managing scan j...

Страница 10: ...ScanWizard Pro CD that brings up the ScanWizard Pro Plug in The first time you launch ScanWizard Pro you will be prompted to set up color matching for your scanner If you are not sure about what to do...

Страница 11: ...the four major windows and it includes the various commands and tools for controlling the scanner Elements of the Preview window H Rulers G Unit of measurement A Menu bar B Overview button J Auxiliary...

Страница 12: ...eflective photos and prints Positive Transparency or Negative Film G Unit of Measurement The unit of measurement for the rulers can be selected by clicking the arrow at the 0 0 point of the rulers and...

Страница 13: ...he File Menu The File Menu lets you do the following Create a new context for scanning Load a previously saved context Save a context for scanning Use the SnapTrans Templates feature Show the current...

Страница 14: ...experiments on the same project job Different setups involving scan material selections CMS settings scan jobs Various templates of a user s work Scanner sharing among multiple users Archiving of scan...

Страница 15: ...ntext To load a context 1 Choose Load ScanWizard Context from the File menu 2 When the browser dialog box appears select the folder to be loaded and click the Select button at the bottom of the dialog...

Страница 16: ...d or specify your own folder name and location 5 Click the Create button The selected set of pre defined scan jobs based on the template you chose is copied to your designated folder i e a new Context...

Страница 17: ...the same name as your scanner model ex ScanMaker 5 and is located in the Plug ins folder of your image editing software When you load or create a new context folder the loaded or newly created folder...

Страница 18: ...s you Show your scanner model or select a scanner if you have multiple scanners Get information about your scanner Get scanner information on the SCSI USB chain Easily manage the scanners being used b...

Страница 19: ...ber If you have multiple scanners on your system all the scanners are shown with their respective SCSI or USB IDs and the current scanner is indicated by a check Only one scanner can be accessed at a...

Страница 20: ...anager in ScanWizard Pro to add or include the connected scanner to your scanner list Whenever you change the SCSI USB ID or SCSI USB bus of a scanner you will have to follow the steps below 1 Go to t...

Страница 21: ...with two of them currently turned off When you choose Scanner Driver Manager the dialog box may show a question mark in front of the two scanners that have been turned off In this case simply click t...

Страница 22: ...scanner is idle for 15 minutes You can change the lamp idle time in your preferences or disable this feature completely by unchecking the Auto Power Saving Mode check box By default the lamp warm up t...

Страница 23: ...n By default they are set to Automatic which means the calibration will be done whenever necessary that is the scanner and the software will decide when to perform the calibration In some cases the ca...

Страница 24: ...view or prescan view of an image Magnify or reduce zoom in zoom out the Overview image Resize the Preview window to fit Bring the Settings window to the front Show or hide the Info Scan Job and Tag wi...

Страница 25: ...rview and Prescan buttons respectively and allow you to to switch between both viewing modes The Prescan image is an image that can be viewed in higher resolution The dimensions of the Overview and Pr...

Страница 26: ...ined You can then switch among the various prescan images for viewing A To obtain the Overview image With the image s placed on your scanner click the Overview button B To obtain the Prescan image 1 C...

Страница 27: ...ow which you may find helpful to do for conserving space on your desktop monitor especially after you have enlarged the Preview window Before resizing After resizing To use this feature Choose the Res...

Страница 28: ...o switch between showing or hiding the Scan Job window Information window and Tag windows on your screen Show Hide Low High Value Markers This command shows or hides the Low High Value Markers in the...

Страница 29: ...he Positive Transparency and Negative Film option appears only if you have a dual bed SnapTrans scanner such as the ScanMaker 5 or if you are using a Transparent Media Adapter TMA with your flatbed sc...

Страница 30: ...he top and bottom of the icon characteristic of slides to distinguish it from the reflective icon Appearance of the Scan Material Status icon when scanning a negative transparency or filmstrip To choo...

Страница 31: ...s of image types For this reason color matching was developed to allow an equivalent mapping of colors from one device or from one color space to another ensuring that no major color shifts occur in t...

Страница 32: ...space Checking this box ensures that there are no unexpected color shifts between your selected RGB Destination space and your monitor Checking or unchecking this box affects only the way the image da...

Страница 33: ...op 5 0 users you may export its internal color space to an ICC profile If you are not sure what to choose select your current monitor profile A large number of RGB profiles is supplied by ScanWizard P...

Страница 34: ...t clipping and Auto Black Point clipping fields allow you to specify the percentage by which the white and black points respectively can be clipped from the histogram The clipping is done after you cl...

Страница 35: ...own as a black circle and Low Value Markers The High Value Marker is shown as a black circle in your preview image while the Low Value Marker is shown as a white circle You can specify the range of th...

Страница 36: ...y when the Scan Frame tool is selected To use this feature 1 Choose the Cursor Auxiliary Lines command in the Preferences menu From the submenu that appears select how the cursor lines will appear On...

Страница 37: ...tently overviews say 4 x 8 of the bed size As a rule of thumb it is best to use the default maximum settings You should change the overview area only if your subsequent overview is too large to be sho...

Страница 38: ...cked the overview image will be kept when you quit ScanWizard Pro and the same overview image will be displayed again when you run ScanWizard Pro the next time E Fast Overview If this box is checked t...

Страница 39: ...ire bed This will help you determine how you wish to resize the overview area 3 To change the overview area you can Drag a rectangle that approximates the size of the overview that you wish or Enter t...

Страница 40: ...se Prescan Setup 2 When the Prescan Setup dialog box appears specify your choices A Fast Prescan If this box is checked the prescan process is speeded up but the resulting image is grainier If uncheck...

Страница 41: ...ually include the portion you wish The margin depending on how wide or narrow it is can then provide a berth or allowance for extending the boundaries of the scan frame around the prescan image Margin...

Страница 42: ...n an image is inverted the brightness value of each pixel is converted to its inverse value In the case of 24 bit images for example a pixel in a positive image with a value of 255 is changed to 0 and...

Страница 43: ...Note This command can be used only in applications such as Adobe Photoshop that allow you to retain the scan module after a scan is completed Some applications will not retain the scan module even if...

Страница 44: ...Reference The Preview Window 37 More Preferences The More command shows the More Preferences dialog box where you can specify other options for ScanWizard Pro...

Страница 45: ...ly This feature can also be used for multiple scan jobs to show their respective image modes example one job in color another in B W as well as their image editing settings The framed part of the imag...

Страница 46: ...est image quality possible D Best Quality Multiple Sampling This feature is only implemented on high end scanner models This option will not be displayed if the function is not supported by your scann...

Страница 47: ...images A Nearest Neighbor Speed When this option is selected ScanWizard Pro will do the following Expanding when scan resolution is higher than optical resolution Linear interpolation is used i e mak...

Страница 48: ...nd only a limited amount of memory is used in the application heap This option is best if you have only a small memory allocation for your application but a large amount of system memory Auto This is...

Страница 49: ...nts of this menu may vary and will depend on your scanner package The Correction Menu The Correction Menu lets you use the Advanced Image Correction AIC features of ScanWizard Pro The commands in the...

Страница 50: ...Reference The Preview Window 43 Zoom Scan Frame Pane Tag Windows The Toolbar...

Страница 51: ...nd in the Preferences menu Resize the frame by dragging To use the Scan Frame tool 1 Click the Scan Frame tool 2 Move the pointer now a crossbar to the Overview image and draw a frame enclosing the ar...

Страница 52: ...1600 When you reach the maximum magnification factor the center of the Zoom tool will appear empty To zoom out reduce hold down the Option key and with the Zoom tool selected click the image A minus s...

Страница 53: ...scrolling through zoomed in images that were enlarged through the Zoom tool or for scrolling through parts of an image not included completely within the frame of the preview window To use the Pane t...

Страница 54: ...nt as well as to add remove a color cast The Tag Windows tool is useful especially if you are making color adjustments based on known mathematical values as the displayed color information provides a...

Страница 55: ...ways to choose the white and black points of an image A By using the Tag Windows tool in the Toolbar 1 To choose the highlight white point in an image click on the Tag Windows tool in the Toolbar pres...

Страница 56: ...n the image Click the Tag Windows tool in the Toolbar then click a white point in the image When the tag window appears click the White Magic Diamond To remove a color cast Click the Tag Windows tool...

Страница 57: ...sample size you selected To change the sample size of the Tag Windows tool 1 Open the Information window by choosing the Show Info Window command in the View menu 2 Click the Color Meter Options butto...

Страница 58: ...e Preferences menu To obtain multiple prescan images 1 Define your scan jobs in the scan job window see the scan job window section for more details 2 To select multiple scan jobs press the Shift key...

Страница 59: ...For example if you change the preview area size from 5 x 8 to 6 x 9 the rulers will change accordingly The unit of measurement can be selected in two ways Through the Unit box in the Settings window T...

Страница 60: ...view image size is determined by the current preview area dimension The bigger the preview area the higher the preview resolution When you perform a prescan the prescan image deteail is determined by...

Страница 61: ...e The preview image resolution will change according to the size of the preview window and the amount of available memory To resize preview window drag any side or corner of the window Zoom scale This...

Страница 62: ...e you click up to the maximum 1600 view Flasher for High and Low Value Markers When the overview or prescan image is displayed the High Value and Low Value Markers are shown If the two markers cannot...

Страница 63: ...job and includes the advanced image correction tools of the program Elements of the Settings window L Custom options F Scan Frame options C Resolution settings A Job B Type D Scan Frame settings Scal...

Страница 64: ...bed that you wish to scan the Scaling factor for creating larger or smaller images from the original source image and the Output settings including the Output width and height edit boxes which represe...

Страница 65: ...your image and bring out characteristics specific to that image type K Advanced Image Correction The Advanced Image Correction AIC tools let you adjust and enhance the image and image corrections are...

Страница 66: ...es in the Job box of the Settings window To select from multiple scan jobs choose the scan job you wish in the Job box this will automatically select the corresponding scan job in the Preview and Scan...

Страница 67: ...it option is provided in ScanWizard Pro for professional pre press scanners CMYK CMYK images are made up of the standard four colors cyan magenta yellow and black or K for separated film or digital fi...

Страница 68: ...on the Web or Internet Output for the Web Internet color mode in ScanWizard Pro is 8 bit 256 indexed color images in the sRGB color space 256 Colors Default 256 Colors Custom These are single channel...

Страница 69: ...ill be When dealing with resolution remember to distinguish between optical resolution and interpolated resolution Optical resolution is the real resolution as measured by the scanner s optics Interpo...

Страница 70: ...ase the file size of your image without any perceptive improvement in image quality Choose lpi if your scanned images are to be printed If you choose 1x for instance your scanned image will be printed...

Страница 71: ...nging the Scan Frame settings width or height will change the Output settings width or height Changing the Scaling will change the Output settings width AND height Changing the Output settings width o...

Страница 72: ...choose from a menu of predefined Scaling settings To do this point your mouse to the words Scaling in the Settings window and choose the setting you wish from the menu that appears Film scale mapping...

Страница 73: ...ettings window and choose the setting you wish from the menu that appears Add Remove Custom Setting These options let you customize and create your own output settings for use in subsequent scans D Im...

Страница 74: ...serve the output dimensions correctly If you know the exact output size for your image enter the output width and height values first then check Fixed Output Size The image will then be scanned and ou...

Страница 75: ...or are after you click the Scan button and scan the image in the Transform effect is not shown in the Overview viewing mode To use the Transform command 1 Click the Transform button in the Settings w...

Страница 76: ...C Profile MSP program For more details on how to use MSP refer to the MSP documentation Default scanner profile selection Click either of these buttons to select your scanner profile Scanner Profile 2...

Страница 77: ...rexposed nor overexposed with accurate color and tones Landscape An image with cool atmosphere with broad tonal variation and a wide hue range Examples include natural scenery skyline with an expanse...

Страница 78: ...ed original is shown in two different image categories Because the original was overexposed to begin with choosing the Overexposed image category had the result of neutralizing the exposure resulting...

Страница 79: ...fly discuss the LCH color model which is important for working with images in ScanWizard Pro This is followed by other information relating to the LCH model including the availability of the AIC tools...

Страница 80: ...model in effect makes it easier to comprehend colors as they are couched in the terms we are familiar with Lightness how dark or light a color is Chroma or saturation how rich or dull a particular hue...

Страница 81: ...lor space but a different set of tools is available when you choose to work in the Native color space As discussed in an earlier section of the manual you can select the color space of your choice in...

Страница 82: ...ular image type RGB CMYK Lab Gray Line art B W Remark Diffusion Dynamic Range V V V V White Black Points V V V V V Gradation V V V V Color Cast V V V Saturation V V V Selective V V V Tone Curve V V V...

Страница 83: ...st tone to lightest tone 3 Gradation Manual or auto adjust midtones of the Lightness channel L 5 Saturation Curve Adjust image saturation by manipulating the saturationcurve 7 Tone Curve Adjust tonal...

Страница 84: ...ing in Native color mode However the Gradation Color Cast Saturation and Selective Color tools 3 to 6 will not be available The Brightness Contrast and Color Correction tools are offered in their plac...

Страница 85: ...e Film Type menu 1 2 Accessing the AIC Tools 1 To access an AIC tool click a particular tool in the Settings window or choose its counterpart in the Correction menu in the Preview window 2 After click...

Страница 86: ...ements are applied immediately to the Preview window image for both Overview and Prescan images If unchecked changes are seen only after you close the AIC dialog box 5 Thumbnail option If checked the...

Страница 87: ...made with the current image enhancement tool This means that if you used several AIC tools Revert cancels the effect of only the last used or current tool and preserves the effects of the other prece...

Страница 88: ...and load the setting in the future Cancel button This button cancels out all image enhancement changes you have made to the current scan job and then closes the AIC dialog box Example If you applied...

Страница 89: ...restored to their default values if you click the Cancel button the operation has no effect and the settings remain in force Example If you changed the tone curve and saturation then checked the satu...

Страница 90: ...user defined setting you have made from the Custom pull down menu of the Settings window Removing user defined AIC settings To remove a user defined setting go to the AIC tool Custom pull down menu o...

Страница 91: ...this option to adjust the Dmin Dmax settings of the RGB channels simultaneously Select this option to adjust the Dmin Dmax settings of the RGB channels individually Enter custom Dmin setting here Ent...

Страница 92: ...ettings respectively To do this Click the Eyedropper tools in the Dynamic Range dialog box Then move to the thumbnail image in the dialog box or to the preview image in the Preview window and choose y...

Страница 93: ...as cursor is swept around histogram Check to auto neutralize unwanted color casts in Shadow black area or Highlight white area Enter custom Lightness Chroma Hue values for Highlight White area here C...

Страница 94: ...edropper tool To define the White highlight point use the White Eyedropper tool Enable this check box to show the adjustment effect on the prescan image White Eyedropper to define the Highlight point...

Страница 95: ...GB CMYK or Lab channel Channels can be modified individually or collectively when you select All in the Channel box Following the selection of your channel you can move the black and white sliders bel...

Страница 96: ...curve How to read the curve The Curve shows the relationship of the brightness changes across the middle pixels between the resulting image and the original When you open the Curves dialog box the li...

Страница 97: ...ction 51 to 100 outside the chroma range will not be affected Defining a chroma range is helpful if you wish to prevent images from losing saturation or color intensity Click to create handles from wh...

Страница 98: ...ng the Gamma handle you can also directly enter the appropriate Gamma value in the edit box Dragging points on the curve to a Gamma value above 1 00 will lighten the dark tones Dragging points on the...

Страница 99: ...dation dialog box Then move to the thumbnail image in the dialog box or to the preview image in the Preview window and choose the setting for your high chroma and low chroma range Use the Black Eyedro...

Страница 100: ...ast without altering the lightness channel L values Enter values in the edit boxes and see how the handles get positioned in the color box Conversely move the handles in the color box and see how the...

Страница 101: ...re convenient to use the Color Cast Eyedropper tool in removing or a adding color cast Click the Color Cast Eyedropper in the Color Cast dialog box Then move to the thumbnail in the dialog box or the...

Страница 102: ...s only Midtones only or Shadows only Enable this check box to show adjustment effect on the prescan image Drag the curve above the default diagonal line to increase saturation Drag the curve below the...

Страница 103: ...he slider to change the lightness L value of the From color Drag this along the slider to change the lightness L value of the To color Click the New button to define a new From color to be changed The...

Страница 104: ...egion is enclosed in a sector To change the choice of color click on another region inside the wheel the sector will jump to the new color region Within the sector is a hollow dot and the position of...

Страница 105: ...the sector to a new position You will see that the sector can only be expanded or contracted in a limited fashion as it is constrained by the position of the hollow dot If you need to move the sector...

Страница 106: ...he following methods Go to your prescan With the pointer now a Neutral Eyedropper pin point the To color you wish to turn the specified From color into Click on the color wheel to select the To color...

Страница 107: ...to the L edit box under the To column Lightness value here reflects the position of the To slider in the Lightness bar If you are not satisfied with the resulting preview image you can always go back...

Страница 108: ...rement in the CMS Setup dialog box Click on the expansion arrow provided in the Selective Color dialog box Then proceed to set the From and To settings as they are done under the LCH mode Note that ch...

Страница 109: ...w separate adjustments of the tones in each RGB or CMYK channel depending on the image type This tool is especially useful for correcting the ink percentage distribution i e dot gain correction in CMY...

Страница 110: ...ore detail can be seen in such images The zoom level can be seen in the Zoom field To zoom out use Option click Use the Curve Pane tool to scroll through the curve if the curve has been zoomed in This...

Страница 111: ...n result can be simulated and previewed either from the thumbnail on the filters dialog box or from the preview image in the Preview window Keep in mind too that the appearance of the image in the pre...

Страница 112: ...y lightening pixels next to the hard edges of defined lines and shaded areas Blur More produces an effect three or four times stronger than Blur Original Blur Blur More Sharpen filters The Sharpen fil...

Страница 113: ...ecause edges are areas in an image where gray or color levels change abruptly It is best to use this tool for improving geometrical contoured shapes Emboss filter The Emboss filter makes a selection a...

Страница 114: ...parameter pertains to how the Unsharp Masking filter affects pixels which are darker than their adjacent pixels By default a value of 100 is specified for this field The higher the value the darker th...

Страница 115: ...menu This parameter specifies the degree of the filter s effect The higher the value the stronger the blurring effect of the filter This parameter allows you to specify a tolerance range or a field of...

Страница 116: ...cross hatching lines as shown in the example below After Descreen Before Descreen To use Descreen 1 Click on the Descreen pop up menu 2 When the Descreen menu comes up select the screen for your need...

Страница 117: ...l adjustments for brightness and contrast are not supported For RGB color images the same effect applies to all channels For Lab color images brightness and contrast applies only to the L Lightness ch...

Страница 118: ...and indicating the least concentration of color to 1 located at the periphery of the Wheel and indicating the greatest concentration of color Example If your angle is 0 red on the Color Wheel and the...

Страница 119: ...e pixels are turned to black resulting in a darker image To lighten the original drag the slider to the left This lowers the Threshold value so that more pixels are turned to white resulting in a ligh...

Страница 120: ...nWizard Pro To do this click the Show Hide Info window toggle command under the View menu in the Preview window Cursor Position Color Input Meter Color Output Meter Color Meter Options Sample Display...

Страница 121: ...Y location Take note of the following The left part of the fraction is the Before value or the pixel value before image correction The right part of the fraction is the After value or the pixel value...

Страница 122: ...t you choose how color information is displayed in numbers or percentages Take note that the Numbers option is available only in Native color and RGB mode E Sample Display Area This shows a pixelized...

Страница 123: ...ance if you choose 5 x 5 as your sample area this means your RGB values will represent color information for a 5 pixel by 5 pixel area If you choose 1 x 1 the default the color information pertains to...

Страница 124: ...ance an R value of 23 indicates that the sampling size selected has a red color value of 23 Value is calculated by multiplying the percentage by the constant 255 value 255 x percent If Percent is chos...

Страница 125: ...ls Within the Tag windows also are Magic Diamonds that can be used to set the black and white point for the image as well as remove a color cast To use the tag windows 1 Click the Tag Windows tool in...

Страница 126: ...light area then click the White Magic Diamond in the tag Window To add a color cast Click the Tag Windows tool in the Toolbar then click a color in the image that corresponds to the color cast to be a...

Страница 127: ...elements a set of scanning parameters shown in the Settings window a scan frame shown in the Preview window and a scan job item shown in the Scan Job window You can have multiple scan jobs with each...

Страница 128: ...he scan job F Current scan job The current scan job is indicated by boldface boldface boldface boldface boldface type there can only be one current scan job In this example Festival is the current sca...

Страница 129: ...the jobs to be selected Editing Multiple Scan Jobs ScanWizard Pro lets you edit multiple scan jobs at the same time increasing your efficiency in using the software To edit multiple scan jobs simply...

Страница 130: ...ngs for the new scan job With the creation of a new scan job the new scan job becomes the current scan job Duplicating a Scan Job 1 From the list of scan jobs available select the scan job s to be dup...

Страница 131: ...users with User A having Scan Job Folder 1 for example and User B having Scan Job Folder 2 In addition you may use this feature along with the ScanWizard Pro Context to increase the flexibility of you...

Страница 132: ...saved on the right hand side 3 Click the Save button in the middle column of the dialog box The selected scan job is saved as a template to your selected folder To remove scan job s from the queue 1...

Страница 133: ...he 12 scans are done The Batch Scan feature also lets you work with and switch among varying contexts For instance you can easily switch from a context featuring five different scan jobs to another co...

Страница 134: ...e format button in Scan Job window indicates you are in batch scan mode If you use the Edit feature the ScanWizard Pro interface will appear with two differences the Scan button in the Preview button...

Страница 135: ...context for batch scanning Choose the Show Current Batch Path command By default the original context folder is the name of your scanner model e g ScanMaker 5 stored in the Plug ins folder of your ima...

Страница 136: ...tart the batch scan program 2 Go to the Batch menu and choose the Execute command Batch scanning starts immediately A browser appears to ask you to find the previously created batch command Note Batch...

Страница 137: ......

Страница 138: ...he Monitor Control Panel for ColorSync 2 5 or later The Adobe Gamma utility from Adobe Photoshop 5 0 or later package Any third party calibration programs or hardware calibrator You can also obtain yo...

Страница 139: ...rom Adobe or your software dealer In the Color Matching Setup dialog box of ScanWizard Pro you will need to do the following Check the Display using monitor compensation check box If you are using Ado...

Страница 140: ...y which means that these programs do not know how to read or handle embedded ICC profile information In this case the ICC profile data is ignored If you are processing images with a non ColorSync savv...

Страница 141: ...lp you get accurate predictable color across all devices by managing compensating for and controlling these differences The Idea Behind Color Management Each type of device reads displays or interpret...

Страница 142: ...DCPs relate a device dependent color space to the Profile Connection Space The CMS uses the Color Profile to translate from one device dependent color space to another How CMS Translates between Devi...

Страница 143: ...files ICC Profiles contain color characteristics of a given device input display or output ICC profiles conform to the International Color Consortium profile specification allowing the same device pr...

Страница 144: ...Destination means which Color Profile is used to get it from PCS to the destination device For example when you scan in an image you want it to appear on your monitor So the source is your scanner and...

Страница 145: ...n the issues change And your role changes with them You become that of a professional separator And it becomes a question of how skilled you are at making good films films that run correctly on press...

Страница 146: ...enter of both diagrams show different UCR TAC settings With UCR applied less process inks and more black increases the density in the shadows Advantages Disadvantages to UCR Undercolor removal within...

Страница 147: ...enter of both diagrams looks the same With more GCR applied less color ink and more black ink produces the same color Advantages Problems of GCR The main advantage of GCR is it reduces the effects of...

Страница 148: ...our proofing and printing applications reduce your printing costs and minimize ink trapping problems on press However check with your printer as to the optimal UCR GCR setting to select for your print...

Страница 149: ...8 pf Medium GCR 320 UCR CMYK Medium 320 US Negative Proofing gncmyk28 pf Heavy GCR 320 UCR CMYK Heavy 320 US Negative Proofing gncmyk50 pf Light GCR 360 UCR CMYK Light 360 US Negative Proofing JAPANES...

Страница 150: ...he possible gray component is replaced with black Check With Your Service Provider These DCPs were created with the following conditions in mind You will want to check with your service provider to co...

Страница 151: ...you should select the proper file format with the image type that meets your requirements If you re not sure select the TIFF format which supports all image types For details see the following cross r...

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