Patent ID: 8564660

Claim:
A computer-implemented method comprising: defining a dynamic region in a plurality of frames of a digital media segment, the digital media segment comprising a portion of a digital media file and being defined by at least two time markers comprising a start time and an end time, the dynamic region containing at least part of a visible feature in the plurality of frames and being moveable from a first of the plurality of frames and a second of the plurality of frames; analyzing a relationship between an external data set that is collected from one or more subjects viewing the digital media segment and the dynamic region, the analyzing comprising determining a correlation between the defined dynamic region and the external data set to measure at least one of an interest level of the one or more subjects in the digital media segment and an attention level of the one or more subjects to visible features in the digital media segment; and reporting a metric indicative of the at least one of the interest level and the attention level.