通过对场地分割结果中场地比例、场地中球员形状和面积等特征的分析，将镜头分为长镜头、中镜头、特写镜头和场外镜头四类。

Shots are classified into four types: long-view shot, middle-view shot, close-up shot and out of field shot, using field rate, shape and areas of player in the field.

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尼克：项目是不少，不过大体分为四类：摩托车场地赛，摩托车公路赛，摩托车旅行赛，摩托车越野赛和多日赛。

Nick: there are many events. However, there are generally four types: track race, road race, travel race, cross-country race and multi-day race.

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