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Use camera service into existing ros serivce

I'm working on text recognition and I have made a ros service which takes an image and recognize text in it. Now, I want to take the image directly from camera. ow can I do that?

Use camera service into existing ros serivce

I'm working on text recognition and I have made a ros service which takes an image and recognize text in it. Now, I want to take the image directly from camera. ow can I do that? that?

Use camera service into existing ros serivce

I'm working on text recognition and I have made a ros service which takes an image and recognize text in it. Now, I want to take the image directly from camera. ow can I do that?