PROBLEM TO BE SOLVED: To adaptively indicate a situation that a content of a video image is influenced by wind or the like and changed while following the wind, in accordance with a degree of oscillation of a projected object on which the video image is projected, even in a case where the projected object is fluctuated by the wind.;SOLUTION: A projection video control device comprises: a video projection device configured to project a video image by emitting projection light to a projected object including multiple reflection materials; a communication part communicable with an imaging apparatus configured to perform imaging due to reflection light resulting from reflecting illumination light by each of the multiple reflection materials; and a video processing part configured to generate a processed video image by applying processing to the video image projected by the video projection device while following motion. The video processing part transmits data of the processed video image including a video projection instruction of the generated processed video image onto the projected object, through the communication part to the video projection device.;SELECTED DRAWING: Figure 5;COPYRIGHT: (C)2019,JPO&INPIT
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