1. An image generation apparatus, comprising: one or more detectors operable to obtain readings of external conditions; a status determination unit operable to determine a current status on the basis of readings received from said detectors; a receiver operable to receive image data; a selector operable to select one or more portions in an image as portions of an image which are to be emphasised wherein said selector is operable to receive status data from said status determination unit and select areas to be emphasised based on received status data; and an image processing unit operable to process image data received by said receiver to generate a composite image in which the portions of said composite image corresponding to said portions to be emphasised selected by said selector correspond to said portions of the image defined by data received by said receiver and in which other portions of said composite image correspond to the other portions of the image defined by said data received by said receiver to which a blurring function has been applied.