image resolution

Hello experts.
I got an image size 150 x 150 pixels BMP or JPG
when I make it bigger using mspaint or paint 3d

it loses resolution, becoming bigger blurry

is there any software or visual c, or visual basic source
that i can use to make it  sharper again?
Regards,
RGuillermoProject ManagerAsked:
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JohnBusiness Consultant (Owner)Commented:
Since bitmap images are actual (not lossy) images, increasing the resolution normally just leads to pixilation (as you saw).

You can try the technique below with Photoshop

https://forums.adobe.com/thread/1099987
Bill PrewIT / Software Engineering ConsultantCommented:
This is one I have used occasionally.  Results seem to vary depending on the original image, so your results may vary.

At the end of the day it's hard to "make something out of nothing", but some intelligent smoothing can sometimes improve overall appearance of the photo.

A Sharper Scaling - High Quality Image Upscaling Freeware


»bp
Jackie Man IT ManagerCommented:
What you want to do is called image upscaling and there is no one tool which is suitable for all images.

https://fedoramagazine.org/upscale-bitmap-images-better-results/

Have a look of the link above and play with different tools to check the results.

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JohnBusiness Consultant (Owner)Commented:
It might be easier to start with a different image.
RGuillermoProject ManagerAuthor Commented:
Excellent,
it does what we need,
Thank all Experts very much!!
JohnBusiness Consultant (Owner)Commented:
You are very welcome. Good luck with the image
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