How can I sharpen the edges of my image?

A newb to PS here... How would you smooth pixelated edges to achieve sharp edges as in the below image of a hinge? Thx.

You can place the low res image in Illustrator then using the Pen Tool to draw white shapes around it, essentially hiding the jagged edges.
Alternatively, you could upsample the low res file in Photoshop and do the same thing there with its vector tools.
To get smooth lines you need a high res image, which your file is not. By a long shot.
The best solution would be rephotographing the product at a high resolution.
Where is this picture going? (web? printed catalog?)

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How do you smooth the edges of an image, like the question mark edges?
Regards Peter

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Hi 43477
Can you provide more details, do you want to setsize to display an image on a screen of when saving image etc?
PS.
There is a good invention called googlegoogle is good, but sometimes it's better to use more specific search, there is a search field avove on this page :)

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Never mind. Solved it by negating the source image first.

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Many thanks for your reply CtDave
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I have an image with pixelated edges and i want to make those edges sharper so that you dont notice them at 100% zoom. I tried the sharpen tool but it does not do what I want.
In this sample image, I manually refined the left half of the pixelated diagonal line.
(The top right is what I want to change so that it looks like the part in the bottom left, which I did manually)

I think you miss understand what sharper means. It will not add pixels to remove stair-stepping. If anything it would make it more pronounced.
A blur will blend the two colors together to make it look like there is no edge, So that would not really work either.
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If you know that the area is a solid color, you could use the pen tool to create the edge then fill the center with that color, thats the only way I can think of to recreate that area with a sharp edge. But if it is lots of small areas, then one of the other solutions would have to be settled on. (If you do recreate the area with the pen tool make sure your image is high enough resolution to make it worth the effort {In other words if the resolution is too low, your wasting your time} )

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How can I sharpen the edges of my image?

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