Methods and apparatus to detect commercial advertisements associated with media presentations

摘要

Methods and apparatus to detect commercial advertisements associated with media presentations are disclosed. An example method involves receiving a video frame and detecting a change in box-formatting between the video frame and a subsequent video frame. A transition between the video frame and the subsequent video frame is indicated as a commercial advertisement transition based on the detected change in box-formatting.

主权项

1. A method to detect a commercial transition associated with a media presentation, the method comprising:
detecting a change in box-formatting between a first video frame and a subsequent video frame by detecting edges between a primary display area and screen filler areas of the box-formatting to detect an appearance or disappearance of the screen filler areas, the screen filler areas comprising motion images in at least two of a left portion, a right portion, a top portion or a bottom portion of the box-formatting of the first video frame or the subsequent video frame; and indicating a transition between the first video frame and the subsequent video frame as the commercial transition based on the detected change in box-formatting.