An automated method of selecting a trigger image from series of images of a playing field during a soccer match, wherein the trigger image shows a player distribution indicating a kick-off during the soccer match, wherein the players correspond to foreground positions in each image in said series, the method comprising - capturing image streams from a first, second and third camera (10a-c) directed at a same playing field, a field of view of first camera containing a middle line of the playing field, including parts of the playing field on mutually opposite sides of that middle line in the field of view, the second and third camera (10b,c) having fields of view that include a penalty area and the goals on opposite sides of the playing field respectively, using images from the image stream from the first camera as said series of images, and for each image in said series; - classifying, by a classifier in a video processing system, local image content from the different foreground positions in the image each to one of a set of classes, based on a property of the local image content, the set of classes comprising a first and second class; - determining, by a position collector in the video processing system, a first and second collected position for the first and second class, using a median or average of the image positions of the local image content assigned to the first and second class respectively; - detecting, by a detector in the video processing system, whether a condition is met that the first and second collected positions are on mutually opposite sides of a reference position corresponding to the position of the middle line of the playing field, and whether a distance between collected positions or distances between the reference position and the first and second collected positions exceed a threshold value; and - selecting, by the detector in the video processing system, the image as the trigger image dependent on whether said condition is met; and in response to said selecting of the image as the trigger image, extracting a video clip containing a part of the image stream from the second and/or third camera (10b, 10c), captured in a time interval preceding a time point at which the trigger image was captured. - capturing image streams from a first, second and third camera (10a-c) directed at a same playing field, a field of view of first camera containing a middle line of the playing field, including parts of the playing field on mutually opposite sides of that middle line in the field of view, the second and third camera (10b,c) having fields of view that include a penalty area and the goals on opposite sides of the playing field respectively, using images from the image stream from the first camera as said series of images, and for each image in said series; - classifying, by a classifier in a video processing system, local image content from the different foreground positions in the image each to one of a set of classes, based on a property of the local image content, the set of classes comprising a first and second class; - determining, by a position collector in the video processing system, a first and second collected position for the first and second class, using a median or average of the image positions of the local image content assigned to the first and second class respectively; - detecting, by a detector in the video processing system, whether a condition is met that the first and second collected positions are on mutually opposite sides of a reference position corresponding to the position of the middle line of the playing field, and whether a distance between collected positions or distances between the reference position and the first and second collected positions exceed a threshold value; and - selecting, by the detector in the video processing system, the image as the trigger image dependent on whether said condition is met; and in response to said selecting of the image as the trigger image, extracting a video clip containing a part of the image stream from the second and/or third camera (10b, 10c), captured in a time interval preceding a time point at which the trigger image was captured.