A method of analyzing a depth image in a digital system is provided that includes detecting a foreground object in a depth image, wherein the depth image is a top-down perspective of a scene, and performing data extraction and classification on the foreground object using depth information in the depth image. The device includes a hollow needle and a housing on which the needle is releasably mounted. A beneficial agent may be loaded into the opening within the strut. In case the cycle is not completed within a predefined time interval, that means that after the time interval at least the last partial switch is still closed, the control circuit activates a permanent disconnection of the battery from charge terminals. The novel compounds are used as vitronectin receptor antagonists and as inhibitors of bone reabsorption.