US Patent 10248856 Smart necklace with stereo vision and onboard processing

A wearable neck device and a method of operating the wearable neck device are provided for outputting optical character recognition information to a user. The wearable neck device has at least one camera, and a memory storing optical character or image recognition processing data. A processor detects a document in the surrounding environment and adjusts the field of view of the at least one camera such that the detected document is within the adjusted field of view. The processor analyzes the image data within the adjusted field of view using the optical character or image recognition processing data. The processor determines output data based on the analyzed image data. A speaker of the wearable neck device provides audio information to the user based on the output data.