A wearable apparatus is provided for capturing and processing images from an environment of a user. In one implementation, a wearable apparatus for monitoring activities includes a wearable image sensor configured to capture a plurality of images from an environment of a user of the wearable apparatus. The wearable apparatus also includes at least one processing device programmed to analyze the plurality of images to identify in one or more of the plurality of images at least one indicator of an activity, and to transmit, to an external device, the at least one indicator of the activity.