How to smooth the edges of an image without blurring it

Help and Feedback Art Design Support
#1

Hello guys im trying to make a background image for a title screen. To do this i took a screenshot of one of the ore models in my game, loaded it into gimp and used the fuzzy select tool to get rid of the black background. This works but all the edges are very jagged and easily visible when put into the game. The resolution is 1080 x1080. For smaller images i would just apply a blur to the image but because this image is a lot bigger the blur looks bad.

here is the image i gave it a black border and the jagged lines are really apparent at the top

OreTitleImageWhite1080x1080
OreTitleImageWhite1080x10801080×1080 338 KB

and this is my attempt of smoothing the edges with a blur effect

OreTitleImageWhite1080x1080b
OreTitleImageWhite1080x1080b1080×1080 217 KB

I realize this question is more based on using an image editing software but i was hoping i could still get some help, thanks.

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#2

You could play around with Depth of Field in Lighting until most of the object is in focus… then snap your shot for a title screen:

https://developer.roblox.com/en-us/api-reference/class/DepthOfFieldEffect

#3

I’m not sure if this is what you’re looking for but GIMP has a Color to Alpha tool, try putting your model behind a greenscreen and use Color to Alpha with the green in the background to remove it.

Alternatively if you’re ok with a downscaled image, you can upload the model to Roblox and use the model’s thumbnail. Not sure tho since you stated the resolution is 1080x1080.

#4

paint.net has a checkbox in the toolbox for Antialiasing Enabled/Antialiasing Disabled. It takes a pixelated line with jagged edges and blurs it slightly to get rid of the sharp edges.

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