1. A computer system for rendering a summary of a video, comprising: a processor; a display device having a display screen; and a memory communicatively coupled with the processor, the memory having instructions stored therein that, when executed by the processor, cause the system to: determine one or more semantic segments of the video, determine one or more emotion objects for at least one of the semantic segments, generate an interface on the display screen, the interface having a first window, and display first indicia of the emotion object in the first window, wherein the horizontal extent of the first window corresponds with the temporal length of the video and the first indicia is displayed at a location corresponding with the temporal appearance of the emotion object in the video.