How to enlarge an image without losing quality?

Hello!

I need to resize a picture, I know that the resizing and resampling are two different things, so I read that for printing is recommended for resize, so I resized my picture to change the print quality, the problem I have is that I Don t know how to enlarge the image, as it doesn´t change the size on the screen so that it fits on my model. its too small, I think only resampling it, but if I re - sample I'll be changing the number of pixels and quality, just to lose? How can I enlarge the image to get the best possible quality?

Thank you

The simple answer to that question is cannot perform an extension without some loss of quality, even if you do it work with an enlarger in a dark room with old film mode, there would be losses, but it's a matter of how noticeable is the loss and the movie was until the invention of the multi-mega pixel much more lenient than digital media cameras. However, you can still do a lot digitally

1) go to the image size dialog box, and set it to re-try using the interpolation method to "preserve the details" and increase the width and height, but don't go crazy about double the number of pixels is easy as long as you have demonstrated to go.

(2) Photoshop will have now calculated conjecture on the colors of the pixels that would be adjacent to the real pixels of the image and created them, inevitably it will make mistakes that will appear as a reduction in sharpness. To compensate for that save the enlarged image as a "smart object", or you could do this in step 1. Now duplicate the layer ctrl-J or cmd - J, set the blending mode "soft light" and "High-pass" filter

Set the preview to give a better tip as below. It is trial and error, that is why a smart object is preferable to use a dynamic filter is available at retrys.

What is this procedure is to sharpen the image in a very controlled manner of compensation for the loss of focus during the enlargement process.

Usually if you start with a good quality without compression image this will lead to an almost perfect expansion

Best results can be achieved with third-party plugins such as Alien Skin Blow UP because they have algorithms to more sophisticated enlargements, but this method tends to work very well

Tags: Photoshop

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