| CPC G06T 17/00 (2013.01) [G06F 3/011 (2013.01); G06T 7/50 (2017.01); G06T 7/60 (2013.01); G06T 7/90 (2017.01); G06T 9/00 (2013.01); G06T 9/001 (2013.01); G06T 15/04 (2013.01); G06T 15/20 (2013.01); G06T 15/503 (2013.01); G06T 19/00 (2013.01); G06V 10/56 (2022.01); H04N 19/597 (2014.11); G06T 2207/10024 (2013.01); G06T 2207/10028 (2013.01); G06T 2210/08 (2013.01); H04L 65/70 (2022.05)] | 11 Claims |

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1. A method for analyzing an input by a user received by a client on a server; the method comprising;
sending a content to be displayed by the client from the server to the client;
receiving from the client, an input information by the user to the client during the content is displayed;
analyzing the input information by the user received from the client;
changing the content to be displayed by the client based on the result of the analysis, wherein the changed content includes 3D objects;
extracting by the server color information, alpha information, and geometry information from the 3D objects;
simplifying by the server the geometry information by converting the geometry information to information of vertex of triangles;
encoding by the server the color information, the alpha information, and the simplified geometry information as a stream; and
sending the changed content as the stream to the client.
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