The way to enlarge the picture but not to reduce the quality

This is a technique presented in the book "Professional Processing techniques for digital photography", the author of Scott Kelby, who describes a technique used by master Jim Divitale, a digital photographer. This technique is said to be able to increase the digital camera image to the entire poster size, but with the naked eye can hardly see the quality of the image. Is that so? Let's take a look.

1. Start Photoshop, and then open a picture.

2. Select "Image Size" command, set according to the following figure. Note Two places: one is to check the "Reset Pixel", and the interpolation method set to "two cubic", the second is to set the size of the document unit as a percentage, and only to use the percentage of 110, which will increase the image 10%. Believe it or not, when you increase the image in increments of 10%, it does not seem to blur and soften the image for some reason. It's strange and interesting.

3. To increase the image to the size of the poster needs many times, so it is best to define the above procedure as an action. Each time you perform an action, the image increases by 10%. You might want to do this 10 to 15 times.

4. The enlarged image. Is that so?

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