How to extract only black\grey color as shape?

[dubtechno]

Hello guys,

I have an image of jellyfish, I want to extract only black/grey color to create high quality shape, how it can be done? I've tried image tracing but I dont like quality of shape.

[Myra Ferguson]

If you mean you'd like to select all instances of one color, you can select it, go to Select > Same > Fill Color.

[Larry G. Schneider]

Try using Image Trace in Grayscale with a low number of values.

[dubtechno]

Is it possible to extract this object as black shape? With opacity that creates shadows, highlights and same quality like in second photo?

[Ton Frederiks]

You can improve the tracing when you play a bit with the options.

[Doug A Roberts]

i'm not entirely sure what you mean but if you just want better fidelity try these settings:

[dubtechno]

Guys, I have played with these values all day, I just don't get result I want, I dont need white background, I need that it would be transparent, but when I hit "Ignore White" it becomes very messy, try it on dark background and you'll see.

[dubtechno]

This is what I want, only with that jellyfish. I just dont get it good quality, can it be done somehow different? I want that all whites would be transparent and blacks as shape.

[Ton Frederiks]

Your image (as you posted it) does not contain white. it is transparent.

Make sure that the partsv you want to keep are a shade of gray instead of transparent or white.

[dubtechno]

here it is

[Ton Frederiks]

If that is the best resolution you have, then it is going to be difficult (if not impossible, but maybe some wizard will disagree). to separate the backround from the image.

[Ton Frederiks]

Maybe if you create 2 files, one with the main shape on a contrasting background and another with the thin lines only and combine them after tracing.

[kphotopage]

Dubtechno, do you absolutely need this detailed drawing to be vector?

My first choice would be to use Photoshop and separate.

Make that transparent layer a Smart Object.

You can resize as you wish without any degradation.

K

[Ton Frederiks]

kphotopage  wrote

You can resize as you wish without any degradation.

That is not true for pixel based smart objects.

You can make them smaller, but  not larger without degradation.

[kphotopage]

I would agree with you Ton.

I only assumed Dubtechno wanted the same size or to resized smaller.

Wanted to separate the white background and still retain all the fine details . . . thus my reason for using Photoshop.

I did ask the question, did it have to be vector.

Dubtechno did NOT state the intended use.

Print or web, large or small. ????

I did try Illustrator’s Image Trace. Custom settings. Did not like.

Very nice drawing if you did that yourself Dubtechno!

K

[Ton Frederiks]

kphotopage  wrote

Very nice drawing if you did that yourself Dubtechno!

If Dubtechno is another name for Camille Levrier, than he/she made it him/herself.

https://www.tattyoo.com/products/new-jellyfish-by-camille-levrier

[dubtechno]

I want to print in on t-shirt all across back, so I think it need to be vector to get good quality print. How you'd changed white background to purple?