Techniques to image edge curve.

1. Opening up the program Photoshop.

2. Click Tools Selection.

3. Drag your mouse on the image size you want.

4. Click the menu " Select > Modify > Smooth "

5. Set the curvature of the edge image as required.

6. Click the menu " Select > Inverse "

7. Press the Delete key to remove unwanted edges.

8. Finish