A non-transitory computer-readable medium having embodied thereon a program, which when executed by a computer having circuitry, causes the computer to perform a method, the method comprising:
- obtaining a plurality of segments compiled from at least one media source, wherein each segment of the plurality of segments consists of at least one image frame within which a specific target object is found to be captured;
- generating an object image which is a partial image including the specific target of each of the at least one image frame within which the specific target object is found to be captured;
- and
- displaying the object image along a timeline and in conjunction with a tracking status indicator that indicates a presence of the specific target object within the plurality of segments in relation to time.