An installation for securing a remote transmission of images of an object , the installation comprising: - a device for forming a secured image of an object , the device comprising: - a video acquisition system comprising an acquisition surface, the image of the object being formed on the acquisition surface, - a module for generating a security image, the security image comprising optical signature, and - a module for superimposing the security image on the image of the object , formed on the acquisition surface, to form a secured image of the object on the acquisition surface, - a remote transmission unit for a sequence of security images of the object successively formed by the formation device , - a system for analyzing the compliance of the optical signature of the transmitted sequence of images with the predefined movement sequence of the pattern for each figure (A, B, C, D) of the optical signature, and - a system for retrieving the result of the analysis, characterized in that the optical signature comprises at least two figures (A, B, C, D) comprising at least two zones (A1, A2, A3, A4, B1, B2, B3, B4, C1, C2, C3, C4, D1, D2, D3, D4), the figures (A, B, C , D) of the signature being identical in shape, the generating module being able to generate a pattern moving over the zones of each figure (A, B, C, D) following a predefined sequence, the predefined movement sequence of the pattern between the zones of each figure (A, B, C, D) being different from one figure (A, B, C, D) to another, the analysis system being able to analyze the compliance of the optical signature of the transmitted sequence of images by convolution of the figures (A, B, C, D) of the transmitted sequence of images with a set of models predefined for each figure (A, B, C, D), the set of models predefined comprising models of figures with each a zone containing the pattern, the zone being different from one model of figure to another. - a device for forming a secured image of an object , the device comprising: - a video acquisition system comprising an acquisition surface, the image of the object being formed on the acquisition surface, - a module for generating a security image, the security image comprising optical signature, and - a module for superimposing the security image on the image of the object , formed on the acquisition surface, to form a secured image of the object on the acquisition surface, - a video acquisition system comprising an acquisition surface, the image of the object being formed on the acquisition surface, - a module for generating a security image, the security image comprising optical signature, and - a module for superimposing the security image on the image of the object , formed on the acquisition surface, to form a secured image of the object on the acquisition surface, - a remote transmission unit for a sequence of security images of the object successively formed by the formation device , - a system for analyzing the compliance of the optical signature of the transmitted sequence of images with the predefined movement sequence of the pattern for each figure (A, B, C, D) of the optical signature, and - a system for retrieving the result of the analysis, <EOS>