Cross Dissolve Without Cross Fade: Preserving Contrast, Color and Salience in Image Compositing. - Mark Grundland; Rahul Vohra; Gareth P. Williams; Neil A. Dodgson (Comput. Graph. Forum, 2006)

Contrast Brushes: Interactive Image Enhancement by Direct Manipulation. - Neil A. Dodgson; Mark Grundland; Rahul Vohra (CAe, 2009)