TAILIEUCHUNG - Understanding Adobe Photoshop CS4- P7

Understanding Adobe Photoshop CS4- P7: Learning Adobe Photoshop is essential to success in digital media industries. Photoshop is a gateway into several related technologies. From digital image acquisition and processing to typography and compositing, Photoshop is often your fi rst introduction. If you can master this program, you can go on to success with several other technologies. With this in mind, it is important to learn Photoshop with one eye on the present and the other on the future. | 168 Chapter 10 Color Correction and Enhancement 8. Adjust the Luminance slider to better match exposure. Moving the Luminance slider to the left darkens the image to the right brightens the image. 9. Adjust the Color Intensity slider to better match color. Moving the Color Intensity slider to the left reduces the color range to the right increases the color range and intensifies the colors. 10. Adjust the Fade slider to lessen the adjustment until it is a visually close match. Moving the slider to the right reduces the amount of adjustment. 11. Select Neutralize to further reduce color casts in the image. 12. When you re satisfied click OK to apply the adjustment. Black White If you want to create a dramatic grayscale or duotone effect the most effective way is to use a Black White adjustment layer. But unlike a simple saturation adjustment you maintain full control over how individual colors are converted. This allows you to emphasize or deemphasize specific colors and tonal ranges. Additionally you can tint the grayscale by applying a color tone to the image such as a sepia tone . Useful Image Adjustments 169 1. Close any open files and then open the file Ch10_Black White from the Chapter 10 folder. 2. Click the Black White icon in the Adjustments panel. 3. Photoshop performs a default grayscale conversion. You ll want to adjust the conversion using the color sliders. You can also apply an Auto conversion or use a saved custom mix. You can adjust the color sliders to emphasize gray tones of specific colors in an image. Each image is unique so you ll need to find the right balance. Drag a slider to the left to darken or to the right to lighten. Be sure to select the Preview check box so you can see the results of your changes. Black White Auto A Good Start Normally I recommend avoiding the Auto buttons but with the Black White adjustment layer it works well. Auto sets a grayscale mix based on the image s color values. It attempts to maximize the .

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