Replacing a Background

Many times you'll need to give something a different background, as I did earlier by moving the doll from my desk to the desert. The hardest parts of the job are finding appropriate backgrounds and objects to place in them, and separating the object from its original background. The doll was fairly easy to select, because I shot her against the plain paper backdrop. Suppose we took something more difficult and moved it to the same scene. Remember that hot dog wagon from New York? That would be a welcome oasis out there in the middle of The Valley of Fire. Let's do it. The cart is shown in Figure 20.13.

The Magic Wand won't be much help here. I'll begin by tracing loosely around the cart with the Lasso, and inverting so I can delete the outer pieces of the picture. Figure 20.14 shows the lassoed cart; what's left after removing the background appears in Figure 20.15.

FIGURE 20.13

This image is not going to be easy to extract. There's a lot going on in the background.

FIGURE 20.13

This image is not going to be easy to extract. There's a lot going on in the background.

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