A sample of digital images collected by SenseCam. These images demonstrate the direct observation of journey mode possible from the first-person point-of-view. Clockwise from top left, walking, cycling, driving, using the London Underground and riding a local bus can be clearly seen and distinguished from each other.
Kelly et al. International Journal of Behavioral Nutrition and Physical Activity 2011 8:44 doi:10.1186/1479-5868-8-44