CGPoint position = [gestureRecognizer locationInView:_imagescrollview];
CGPoint positioninimageview = [_imagescrollview convertPoint:position toView:_editimageview];

- (UIImageView *)getImageViewUnderTouch:(CGPoint)position {
     UIImageView *imageview = nil;

     for (int i = 0; i < [imageviewarray count]; i++) {
        imageview = [imageviewarray objectAtIndex:i];

         if (CGRectContainsPoint(imageview.frame,position)) {
            return imageview;
         }
    }
    return nil;
}

CGPoint positioninbounds = [imageview convertPoint:position toView:_editimageview];