Computer-implemented method for the processing of computer-generated holographic image data comprising: (a) a step of detecting, by at least one communication terminal (COM TERM), the presence of a wearer provided with a head-mounted computer-generated holographic image displaying device (HMD) comprising a spatial light modulator (SLM) for displaying computer-generated holograms; (b) responsive to the presence detected at step (a), a step of transmitting through optical communication, by at least one light source (LIGHT SOURC), computer-generated holographic image data (HD) from said device (HMD) towards said communication terminal (COM TERM), wherein step (a) comprises a step (i) of detecting a movement for generating a control signal of command of a wearer provided with said head-mounted computer-generated holographic image displaying device (HMD), and, as a function of the recognition of the movement of step (i), a step (ii) of acquiring image data with a detector of the holographic image displaying device which are converted by a processor into the to be transmitted computer-generated holographic image data (HD); and (c) a step of emitting, by said at least one light source (LIGHT SOURC), a light beam arranged for displaying the holographic image data (HD) by illumination of said spatial light modulator (SLM), wherein said light source (LIGHT SOURC) and said processor are built-in on said device (HMD); wherein said at least one communication terminal (COM TERM) is connected to a communication server (SERV) via a network (COM NETW). (a) a step of detecting, by at least one communication terminal (COM TERM), the presence of a wearer provided with a head-mounted computer-generated holographic image displaying device (HMD) comprising a spatial light modulator (SLM) for displaying computer-generated holograms; (b) responsive to the presence detected at step (a), a step of transmitting through optical communication, by at least one light source (LIGHT SOURC), computer-generated holographic image data (HD) from said device (HMD) towards said communication terminal (COM TERM), wherein step (a) comprises a step (i) of detecting a movement for generating a control signal of command of a wearer provided with said head-mounted computer-generated holographic image displaying device (HMD), and, as a function of the recognition of the movement of step (i), a step (ii) of acquiring image data with a detector of the holographic image displaying device which are converted by a processor into the to be transmitted computer-generated holographic image data (HD); and (c) a step of emitting, by said at least one light source (LIGHT SOURC), a light beam arranged for displaying the holographic image data (HD) by illumination of said spatial light modulator (SLM), wherein said light source (LIGHT SOURC) and said processor are built-in on said device (HMD); wherein said at least one communication terminal (COM TERM) is connected to a communication server (SERV) via a network (COM NETW). light modulator (SLM), wherein said light source (LIGHT SOURC) and said processor are built-in on said device (HMD); wherein said at least one communication terminal (COM TERM) is connected to a communication server (SERV) via a network (COM NETW). <EOS>