Slasher film editing data
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This data set contains shot length data for five slasher films: Halloween (1978), Halloween (2007), Friday the Thirteenth (1980), Friday the Thirteenth (2009), and Slumber Party Massacre (1982). Data was collected by loading each film into a non-linear editing programme and recording the duration of each shot in seconds. As PAL DVD sources are used a correction factor of 1.0416 is applied to the duration of each shot. A shot is defined as a continuous sequence of frames and a cut as the transition between two shots. A cut may be hard with an abrupt transition between consecutive frames belonging to different shots or it may be gradual across a number of frames (e.g. wipe, dissolve, etc) with the cut located at the approximate midpoint of the transition. The data for each film includes titles establishing time, date, and location, but does not include the opening and closing credits unless they are a part of the film’s narrative.
本数据集包含五部砍杀类恐怖片的镜头时长数据，分别为1978版《月光光心慌慌》(Halloween)、2007版《月光光心慌慌》(Halloween)、1980版《十三号星期五》(Friday the Thirteenth)、2009版《十三号星期五》(Friday the Thirteenth)，以及1982版《睡衣派对大屠杀》(Slumber Party Massacre)。数据采集流程为：将每部影片导入非线性剪辑软件，以秒为单位记录每个镜头（shot）的时长。由于采用PAL制式DVD作为源素材，需对每个镜头的时长施加1.0416的校正系数。本数据集将镜头定义为连续的帧序列，将切镜（cut）定义为两个镜头之间的过渡。切镜可分为硬切与渐变切：硬切指属于不同镜头的连续帧之间出现突兀的过渡；渐变切则是跨多帧的平滑过渡（如划变、叠化等），此时切镜点位于过渡过程的近似中点处。每部影片的数据集包含用于标注拍摄时间、日期与场景的条目信息，但不包含片头与片尾字幕，除非字幕属于影片叙事的组成部分。
