April '21

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9 4 G R A P H I C S P R O A P R I L 2 0 2 1 G R A P H I C S - P R O. C O M S I G N A G E & P R I N T I N G T H E D I G I T A L E Y E school yearbook. It can also help get rid of moiré patterns that can appear when scanning printed halftones. When using the D&S lter, select ar- eas of similar texture. Each area of the image might require dierent settings. Applying the D&S lter to the entire im- age all at once can result in a loss of detail. e D&S lter has two controls, Radius and reshold. Use the minimum Radius and reshold you need to achieve the best results. e Radius slider blurs, and the reshold slider restores. When you drag the Radius slider to the right, you eectively blur the areas of most contrast. Drag the Radius slider until the specks or scratch lines disappear, but do not over-blur the area. Next, drag the reshold slider just enough to restore the surrounding texture but not enough to restore the specks (Figure 8). Be cau- tious when using the D&S lter. If you go too far with it, you could end up losing detail along with the unwanted specks. Since the D&S filter is destructive, I recommend converting the layer to a smart object first and applying it as a smart lter to keep the editing process dynamic. Later the lter can be reapplied with a dierent setting if necessary, or ap- plied to another area by editing the smart object's mask. MISSING ELEMENTS Often in old photographs, large ar- eas have been mutilated beyond rec- ognition or are missing completely. Based on the severity of the prob- lem, you'll have to decide the best approach to restoration. In many cases, the software's tools and com- mands can be combined to remedy these problems, but some parts of the photograph might be too dam- aged to restore. If, for example, the face of a person is missing from an image, avoid trying to paint it back in, be- cause this will prove to be virtual- ly impossible to accomplish with any credibility. A better approach might be to composite the face from another photograph if you have one or, if that's not possible, ll the area with neutral gray. CONTENT AWARENESS Speaking of adding missing ele- ments, in Photoshop, the Content Aware Fill (CAF) command, found in the Edit menu, is a great time-saver. Corel Photo- PAINT has a similar feature that it re- leased in 2020. CAF assesses the edge of a selected area and nds similar con- tent within the same image in which to replace the selected area, thereby seam- lessly blending the new content with its surroundings. To avoid unwanted content, choose the content's location by editing the green mask with the Sampling Brush (found in the upper left of the interface) and then observe the Preview to see the result. Click OK to commit the changes (Figure 9). Figure 7. When using the Patch tool, a live preview of the content is displayed in the destination area. When the content looks right, release the mouse.

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