1. A home appliance control device, for controlling an operation state of a home appliance, the home appliance control device comprising: a light source module configured to project a predetermined optical pattern to at least one active object; a first image sensor configured to acquire a current image containing at least one active object image and the predetermined optical pattern; a processing unit for comparing the current image with a reference image or a reference data to obtain a static parameter and a dynamic parameter associated with the active object; and a control unit for controlling the operation state of the home appliance according to the static parameter and the dynamic parameter.