Patent Document ID: 20070041612
Application ID: 11431627
Patent Status: 0

Claim One:
1. An apparatus suitable for screening a receptacle, said apparatus comprising: a) an input for receiving an image signal associated with the receptacle, the image signal conveying an input image related to contents of the receptacle, the image signal having been produced by a device that is characterized by introducing distortion into the input image; b) a processing unit in communication with said input, said processing unit being operative for: applying a distortion correction process to the image signal to remove at least part of the distortion from the input image, thereby to generate a corrected image signal conveying at least one corrected image related to the contents of the receptacle; processing the corrected image signal in combination with a plurality of data elements associated with a plurality of target objects in an attempt to detect a presence of at least one of said target objects in the receptacle; generating a detection signal in response to detection of the presence of at least one of said target objects in the receptacle; c) an output for releasing the detection signal.