How do I remove halftone from a photo?
Drag the “Radius” slider right, observing the canvas or the dialog's Preview window as you do so. Stop dragging when the dots of the halftone pattern become indistinguishable from one another. Click "OK" to close the Gaussian Blur dialog box. The halftone pattern is gone, but some image detail is also.
What is halftone effect?
What are halftone effects? Halftone is a 20th-century printing technique in which patterns of dots create images. At a time when printing processes were limited, halftone was a way to create the appearance of colours and shades. Today, simulating halftone effects is a way to reference or play with retro media styles.