MODELING PROCESS FOR IMAGE RECORDING SYSTEM AND METHOD AND SYSTEM FOR COMBINING GENUINE IMAGES AND SYNTHESIS IMAGES

摘要

Method of producing images compring any combination of real images (13) obtained by at least one image acquisition system (1) comprising a real camera (2) mounted on a mobile support (4, 5) and synthetic images (12) obtained via a graphics computer (11) equipped with synthetic image program, characterised in that: - parametric modelling of the image acquisition system (1) is carried out in advance on the basis of a plurality of real images each containing at least one monitor point (23) whose geometric position in real space is known, the position of the monitor points being transmitted by the computer (11) at the same time as the measured values of a plurality of physical quantities picked up, which are characteristic of the geometry and of the optics of the real camera (2) and of its support (4, 5) for each image; - then, in the course of acquisition of a sequence of images, the abovementioned physical quantities picked up for each image are measured in synchronism with the generation of the real images; - the said quantities picked up are transmitted, in real time and in synchronism with the image generation, to the graphics computer (11) in order to determine the parameters of the model of the image acquisition system (1); - a sequence of digital synthetic images is generated (12) at a frequency close to that of the real images (13) by deducing from these parameters the calculation characteristics for each synthetic image in such a way as to obtain a perfect geometrical coherence between each real image and each corresponding synthetic image; - and part of the real image is mixed with part of the synthetic image. IMAGE