Method and system for gesture identification based on object tracing

摘要

A method and system provide light to project to an operation space so that a received image from the operation space will include, if an object is in the operation space, a bright region due to the reflection of light by the object, and identify a gesture according to the variation of a barycenter position, an average brightness, or an area of the bright region in successive images, for generating a corresponding command. Only simple operation and calculation is required to detect the motion of an object moving in the X, Y, or Z axis of an image, for identifying a gesture represented by the motion of the object.

主权项

1. A method for gesture identification based on object tracing, the method comprising the steps of:
A.) projecting light to an operation space; B.) capturing images from the operation space to generate a plurality of successive images; C.) detecting a bright region in each of the successive images; D.) detecting at a first operation distance to identify whether any object is moving; E.) switching the first operation distance to a second operation distance if no moving object is detected in the step D; F.) performing object tracing based on information provided by the bright region if a moving object is detected in the step D; and G.) comparing a result of the object tracing with predetermined gesture definitions to identify an operation gesture.