1. Method of processing a source image sequence representing a scene, comprising the following steps: detection, in the said scene, of at least one zone corresponding to an object of the scene, selection of the entirety of the pixels included in the said at least one zone of at least one source image of the sequence; and processing of the said at least one source image to modify the colour of the selected pixels or the spectral composition of the light emitted by the selected pixels so that the perceived colour of the selected pixels is unchanged in the processed source image with respect to the source image.