SenseCam is a wearable digital camera that is designed to take photographs passively, without user intervention, while it is being worn. Unlike a regular digital camera or a cameraphone, SenseCam does not have a viewfinder or a display that can be used to frame photos. Instead, it is fitted with a wide-angle (fish-eye) lens that maximizes its field-of-view. This ensures that nearly everything in the wearer’s view is captured by the camera, which is important because a regular wearable camera would likely produce many uninteresting images. SenseCam typically takes a picture every 30 seconds, although this is user-configurable. The maximum rate of capture is one image every 5 seconds. With a 1Gb storage card fitted inside the device, it is capable of storing over 30,000 images which in practical terms is a week or two’s worth of pictures. When the internal storage is full, the images must be downloaded to a PC.
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