Absolute Beginner's Guide to Digital Photography

These techniques should only be used if you’re in a bind. For example, if you’ve scanned or downloaded a small image and need to ...

CHAPTER 12 THE IMPORTANCE OF RESOLUTION 189 Converting pixels in a digital image to dots that make up the screen requires a devi ...

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13 In this chapter Sharpening Prints with Unsharp Mask Taking Advantage of Blur Getting Rid of Noise The Importance of Filters ...

This chapter will explain the use of these filters. Keep in mind while reading that filters only work on layers that contain pix ...

To sharpen your own images, open an image in Photoshop or Photoshop Elements and choose Filter, Sharpen, Unsharp Mask. In the Un ...

In the second image (see Figure 13.3), an unsharp mask was applied with these settings: ■ Amount: 20 percent ■ Radius: 2 pixels ...

Follow these steps to perfect your approach to the Unsharp Mask command: Open an image in Photoshop or Photoshop Elements and s ...

Choose Filter, Sharpen, Unsharp Mask. Check the Preview check box. A check in this box lets you preview the sharpening effect a ...

For portraits or images with people, make sure you zoom in on the individual’s face and experiment with threshold. Sharpening wi ...

By applying the correct amount of blur, you can remove these unwanted patterns and still retain some sharpness in the image. Fol ...

CHAPTER 13 THE IMPORTANCE OF FILTERS 199 FIGURE 13.9 A Christmas card image with a little too much detail (before Gaussian Blur) ...

Noise Filters: Despeckle and Dust & Scratches The two most important Noise filters are Despeckle and Dust & Scratches. D ...

Click Filter, Despeckle again or press Ctrl+F (xF for Macs) to run the filter again. The film or paper grain pattern will slow ...

To use the Dust & Scratches filter, follow these steps. Figure 13.13 is an extreme case of dust and really should be rescann ...

With the dusty area selected, choose Filters, Noise, Dust & Scratches. Move both sliders to the far left: 1 for Radius and ...

The Absolute Minimum Photoshop and Photoshop Elements provide the same filters. The most common fil- ters you will use are Blur, ...

14 In this chapter Introduction to Histograms Correcting Brightness and Contrast Setting and Using Black Points and White Point ...

Photoshop, Photoshop Elements, and other image editors include several ways to adjust the brightness and contrast of an image di ...

Introduction to Histograms A histogram is a bar graph that shows the number of pixels at each brightness level in an image, with ...