Video encoding may comprise obtaining a volumetric content containing visual information of three-dimensional objects; generating at least one patch by projecting the visual information of three-dimensional objects of the volumetric content to at least one projection plane. Video decoding may comprise obtaining neighboring pixels of a location on the 2D image based on said geometry information; determining a difference of values of the neighboring pixels on the 2D image; comparing the difference with a value range to determine a number of 3D points to be interpolated; projecting back the 2D image to create the volumetric content; wherein the projection comprises interpolating the number of 3D points on the basis of the values of the neighboring pixels.