1. A method to compare a first video and a second video, the method comprising: obtaining a first color histogram corresponding to a sequence of frames of the first video; obtaining a second color histogram corresponding to a sequence of frames of the second video; determining adjusted bin values of the second color histogram; determining a first comparison metric based on differences between bin values of the first color histogram and the adjusted bin values of the second color histogram; and determining whether the first video and the second video match based on the first comparison metric.