1. A method for alteration in a video stream, comprising: receiving an indication of at least one video stream; determining, using at least one processing device, at least one restricted image within the at least one video stream, including at least determining identity information identifying a human subject of the at least one restricted image; signaling to obtain preference information of the identified human subject of the at least one restricted image within the at least one video stream based at least partially on the identity information; based at least partially on the obtained preference information, modifying the at least one restricted image to obtain at least one modified image that includes at least one shared image attribute of the at least one restricted image, including at least: selecting, from a database of replacement images known to include at least the at least one shared image attribute, an image of a human subject having a different identity than that of the identified human subject of the at least one restricted image, wherein the selected image includes the at least one shared image attribute; and replacing the identified human subject of the at least one restricted image with the image of the human subject having a different identity than that of the identified human subject of the at least one restricted image; producing a modified at least one video stream that includes at least the at least one modified image; and outputting the modified at least one video stream.