1. A method for displaying at least one light field based image on a user's device, wherein the method comprises displaying said image focused according to at least one focusing parameter determined as a function of a movement of said device by a user, wherein said displayed image is a slice image determined as an intersection of a focal stack with an intersection plane depending on at least one movement parameter of said device wherein said focal stack comprises a set of focused images of a scene, where two consecutive focused images are spaced a sampling interval apart from each other in the focal stack, and wherein the method also comprises: adjusting said sampling interval as a function of a layout of said scene; determining the focal stack as the set of consecutive focused images spaced an adjusted sampling interval apart from each other.