Konica Minolta IV instruction manual Hue, saturation, and lightness palette

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Hue, saturation, and lightness palette

This palette adjusts the image in reference to the HSB color model. These controls can be used to manipulate the color image rather than producing a realistic representation.

The HSB color model defines color based upon human perception rather than photographic processes. Hue refers to each separate color in the model. Saturation is how vivid each colors is. Lightness describes how bright or dark a color is in the color space.

The hue control is not a color balancing tool. It is a creative tool. When changing hue in the palette, each color is assigned a new hue depending on the degree of rotation through the color space. For example, a very simple color space could have three colors: red, green, and blue. I have a red barn next to a green tree with a blue sky. Now I rotate the image in the color space; the colors are reassigned a new hue based on the position - the barn is green, the tree is blue, and the sky is red. The HSB color space is similar, but with many more hues; see the color example on page 99.

Unlike the brightness control in the brightness, contrast, color balance palette, the lightness control does not change the apparent density of the colors equally. For example, with an extreme increase in lightness, blue will not appear as light as yellow.

Click the hue, saturation, and lightness button to open the palette.

Drag the hue, saturation, or lightness slider, or enter specific values in the corresponding text box to make corrections; changes will be reflected in the display image. Dragging each slider to the right or inputting a positive number in the text box increases the saturation, and lightness. The hue slider rotates the colors in the image through the color space; the maximum position to the right (180°) is the same as the maximum position to the left (–180°). Click the reset button to cancel any changes.

Original color space New color space

Two color samples are displayed at the bottom of the palette. The top bar indicates the color space of the original image. The bottom bar displays the relative changes to the color space.

Clicking the auto-setting button adjusts the saturation automatically without affecting the hue or lightness. Click the reset button to cancel any changes.

70 ADVANCED IMAGE PROCESSING

Image 70

Contents Page Tone-curve corrections Selective-color paletteBefore YOU Begin For Proper and Safe USE DiMAGE Scan Dual Table of Contents Page Table of Contents Before installing the DiMAGE Scan Utility InstallationNames of Parts DiMAGE Scan system requirements Additional memory requirements Adobe Photoshop ElementsWindows Page Macintosh Page Before connecting the scanner to a computer Scanner SetupConnecting the USB cable Disconnecting the scanner Connecting the AC adapterTurning on the scanner Handling film Where is the emulsion?Loading the Film Holders Loading 35mm film stripsLoading mounted slides Loading a film holder into the scannerUsing the APS Adapter AD-10 sold separately Ejecting a film holder APSDimage Scan Launcher Easy Scan Utility Launching the Easy Scan UtilityUsing the Easy Scan Utility Scanner Notes MacintoshOn next Easy Scan Utility Page Launching the DiMAGE Scan Utility Basic ScanningScanning basics Scanner setup Main window and index scan tabMaking an index scan Selecting index thumbnailsFlip and rotate images Fit-to-window buttonMain window and prescan tab Making a prescanAuto cropping Grab toolMagnifying tool CHP button APS filmMaking the final scan Tiff BMP Pict Basic Image Processing Main window and image-correction tabPixel Polish Auto Dust Brush Auto Dust Brush retouching levelVariation palette Brightness, contrast, and color balance palette An introduction to color GreenComparing pre and post-correction images Undoing and redoing image correctionsQuitting the DiMAGE Scan Utility Setting scanner preferences Advanced ScanningPage Exposure-control tab Saving exposure settings Loading exposure settingsMore index scan functions Reverse frame orderSaving an index file Saving the index thumbnailsLoading an index file More prescan functions Point AF AutofocusManual focus Manual cropping Autoexposure AE area selectionInputting scan settings manually About resolution and output size Scan setting examples Saving scan settings as a Job Deleting a JobAdvanced Image Processing More image-processing toolsDigital Grain Dissolver Prescan display Sample display areaUsing tone curves Tone curve and histogram paletteDrawing tone curves by freehand Short guide to tone curve corrections About the tone curveIncreasing image contrast Histogram corrections Tone curve / histogram auto setting Short guide to histogram corrections Konica Minolta HistoryPage White, gray, and black point corrections Setting the white and black-point values Tracking image corrections Snapshot buttonHue, saturation, and lightness palette About RGB and CMY Unsharp mask With mask Original imageSaving image corrections Loading image-correction JobsCustom Wizard Page Batch Scan Utility Page Advanced Batch Scan setup Page Setting the output color space Color MatchingOutput color spaces Ntsc CIE RGBSetting the monitor ICC profile Scanner color profilesColor matching recommendations Output Color Space Monitor RGBInstallation Windows Before installing the plug-inAuto Dust Brush PLUG-IN Page Installation Macintosh Using the Auto Dust Brush plug-in Auto Dust Brush PLUG-IN Appendix Glossary of common termsUninstalling the DiMAGE Scan Software Installed files and folders WindowsJob file list 35mm Troubleshooting Checking software installation Windows Technical Specifications Technical support Warranty and product registrationRecord keeping Image Data Sheet Image processingHue corrections