Sundance winner Geneviève Dulude-Decelles will direct an independent movie based on Stacey May Fowles’ novel “Infidelity,” Variety has learned exclusively. Dulude-Decelles, who won the Sundance Short Film jury award for “The Cut” last year, is also writing the script. Allison Black of Euclid 431 Pictures and Karen Shaw of Quarterlife Crisis Prods.