1. An imaging apparatus comprising: a video reproducer configured to reproduce a video and a heatmap of the video on a display in a selective manner between overlapping the video and the heatmap with each other and displaying the video and the heatmap on different areas on the display, respectively; a sub-heatmap area setter configured to set a plurality of sub-heat map areas on the heatmap; and a video summarizer configured to provide at least one video summary of the video selectively to at least one summary area selected from among the sub-heatmap areas or to at least one area different from the sub-heatmap areas, respectively, wherein the video reproducer is further configured to reproduce at least one portion of the video on at least one interest area selected from among the sub-heatmap areas, respectively, and wherein the at least one summary area and the at least one interest area are a same area or different areas in the heatmap.