Fig. 4
From: Using real-time online preprocessed mouse tracking for lower storage and transmission costs
Whole page vs region of interest vs default mouse tracking illustration. The left scroll illustrates whole page tracking that summarizes the number of events occurring on the whole page; the middle scroll illustrates ROI tracking that summarizes the number of events occurring in defined areas, and the right scroll illustrates default mouse tracking that records every event and the precise point where it occurs, forming a trajectory