Method, apparatus, device, and storage medium for determining close-up picture

An apparatus for determining a close-up picture, comprising:

• a close-up box recognizing unit configured to recognize a respective one of close-up boxes to which each head object in the current frame of video stream data belongs, wherein each close-up box corresponds to at least one principal object, and the principal object is determined as the head object that has been enclosed by the corresponding close-up box;
• a close-up box selecting unit configured to select a first close-up box from the close-up boxes as the current close-up box;
• a first object determining unit configured to, in response to determining there is a second head object capable of being added to the current close-up box, determine the second head object as the principal object corresponding to the current close-up box, and delete the close-up box constructed for the second head object;
• a first close-up box updating unit configured to select a second close-up box from the close-up boxes and update the selected second close-up box as the current close-up box, and return to perform an operation of determining whether another second head object is capable of being added to the current close-up box, assigning the other second head object as a principal object corresponding to the current close-up box, and deleting the close-up box constructed for the second head object until all current close-up boxes are traversed;
• and
• a close-up displaying unit configured to display a close-up picture of each of the selected plurality of close-up boxes in the video stream data.