Curve Button, Tonal Map | Mitsubishi Electronics DV1248ST guide

Curve Button

The Curve tool is used to adjust the brightness properties of midtone pixels in an image. Once you click on the Curve button, the following dialog box will appear:

An introduction to each component in the dialog box and a description of how to use the Curve tool to adjust an image follows.

Colour Channel box

Use the Colour Channel box to select the colour channel to be adjusted. This allows you to adjust the curve property of each Colour channel independently.

Tonal Map

The x-axis in the Tonal Map represents the input brightness level of the pixels in an image. The y-axis represents the output brightness level of the image. By clicking and dragging the curve to change its shape, you can adjust the difference between input and output brightness levels of an image without making large changes to the dark and bright areas. If we compare the following images and their Tonal Maps:

Image 44

Mitsubishi Electronics DV1248ST user manual Curve Button, Tonal Map

Contents

Diamond View DV1248ST Page Contents Photo Express Troubleshooting and FAQ Important Safety Instructions Page FCC Information Diamond View Scanner Driver Screen Installing the Scsi Interface Card Setting UP Your ScannerCheck the Package Contents Unlock the Protection Switches Install the Transparency Unit Connect the Scanner to Your Computer Test the Scanner Driver & Application Installation Page Introduction to Scanning Diamond View Main Screen Scanning Reflective and Transparent Originals Scanning reflective originalsPage Scanning transparent originals Scanning Mounted Slides Scanning Film Strips Scanning Positive FilmsPage File submenu Understanding Diamond VIEW’S FunctionsMenu Bar Settings Sub-menu Scan Size… Monitor Gamma Help Sub-menu Combo Boxes Original BoxReflective Flatbed Transparent Image Type Box Colour RGBGrey Line Art Scan Mode Box Resolution BoxHigh Quality 48 bit mode High Speed and High Quality 24 bit modes Scenarios for using a High Resolution Scan Scaling Box Filter Box Sharpen more Descreen Box Colour Wizard Box Auto DensityPhoto Magic Film Wizard Color Matching Output Device Job List and Command Buttons Job List Duplicate Button Info ButtonDelete Button Preview Button Selection Button Preview AreaTool Bar Zoom Button New Frame ButtonHand Button Histogram Level ButtonColour Channel box Image Threshold Input Level box Output Level box Curve Button Tonal Map Input/Output Status Area Channel Adjustment AreaColour Balance Button Colour Adjustment button Colour WheelLightness Bar Entry Box Contrast control Brightness/Contrast buttonBrightness control Threshold button Invert button Mirror button Rotate button Auto Auto button Auto Crop Status Area Pixel Display BoxPixel Information Area Image Information Area Photo Express Introduction Getting Started Tool Bar WorkspacePage To create a new Album Getting ImagesWorking with Album To add new images to an album Printing album thumbnails To re-align a photo Adjusting ImagesWorking with Images To trim your photo To re-size your photo To print an image Sharing ImagesPrinting Images Saving Images To save a photo To create calendars Express YourselfCreate Calendars Morphing Photos To morph an image Working in Project Mode To Begin a New Project To move one object over another Working with TemplatesTo replace images in a template To add frame to a photo object Adding DecorationTo add special edge effects to a photo object Printing Templates To print a template as name cards Sharing Templates To e-mail a templateTo fax a template To output a template as a Web Adjusting Copier Settings Diamond View Copier Icons Copier Parameters Number of Copies Information WindowBrightness and Contrast Buttons How to Use Copier Memo Finereader Sprint OCR To recognize a document using the Scan&Read button Push the Scan&Read button Scan Recognize the scanned image Save the result Tips for Improving Recognition Quality Scan Button Introduction to Scan Button Scan Button Settings Button View Quick Scan Scan to File Scan to PrinterScan to OCR Scan to FAX Scan to Application Troubleshooting and FAQ Troubleshooting TPO lamp goes out when I lift the TPO unit Service and Support Information Packing Directions Returning Your Scanner for Service APPENDIX. Diamond View Main Screen Guide Diamond View Main Driver Screen Guide