Abstract: A tracking system includes one or more wireless tags, a sensing device, and a processor. The sensing device is configured to generate sensing data representative of one or more people or objects in a scene. The processor is configured to detect the presence of the wireless tags within the scene. The processor is further configured to receive sensing data representative of objects in the scene and to identify tracks corresponding to the objects. The processor is further configured to process the received sensing data to generate a track descriptor associated with each of the identified objects, each track descriptor being representative of attributes of the corresponding object. The processor is also configured to analyze track descriptors associated with tracks when a wireless tag is present in the target scene. The processor is further configured to determine tracks associated the wireless tags based on the track descriptors present in the scene.

Abstract: A system includes a sensor and a remote processing and storage component in communication with the sensor. The sensor generates sensor data indicative of the presence of people or objects in a scene. The remote processing and storage component receives the sensor data from the sensor and performs an automated counting process to determine an automated count of people or objects. The component receives a request to perform a validation process for the sensor. The component also generates and transmits a link to a manual validation page that includes an interface for performing a manual count. The component further receives an indication to start a validation process from the manual validation page, generates an automated count value from the performed automated counting process, and receives manual count data. The component also generates a validation report based on the automated count value and the manual count data.

Abstract: Some systems include an illuminator configured to illuminate a scene, a detector configured to receive electromagnetic radiation from the scene, one or more retroreflective tags, and an image processor. Each of the one or more retroreflective tags is attached to or positioned near a corresponding target and is configured to reflect electromagnetic radiation from the illuminator toward the detector. The image processor can identify electromagnetic radiation reflected by one or more retroreflective tags to determine the presence of one or more retroreflective tags and corresponding targets in the scene. Retroreflective tags can include retroreflective portions and non-retroreflective portions such that, when electromagnetic radiation is incident upon the retroreflective tag, the retroreflective tag reflects the electromagnetic radiation in a pattern that corresponds to a code uniquely corresponding to the target.

Abstract: A tracking system includes one or more wireless tags, a sensing device, and a processor. The sensing device is configured to generate sensing data representative of one or more people or objects in a scene. The processor is configured to detect the presence of the wireless tags within the scene. The processor is further configured to receive sensing data representative of objects in the scene and to identify tracks corresponding to the objects. The processor is further configured to process the received sensing data to generate a track descriptor associated with each of the identified objects, each track descriptor being representative of attributes of the corresponding object. The processor is also configured to analyze track descriptors associated with tracks when a wireless tag is present in the target scene. The processor is further configured to determine tracks associated the wireless tags based on the track descriptors present in the scene.

Abstract: A system includes a sensor and a remote processing and storage component in communication with the sensor. The sensor generates sensor data indicative of the presence of people or objects in a scene. The remote processing and storage component receives the sensor data from the sensor and performs an automated counting process to determine an automated count of people or objects. The component receives a request to perform a validation process for the sensor. The component also generates and transmits a link to a manual validation page that includes an interface for performing a manual count. The component further receives an indication to start a validation process from the manual validation page, generates an automated count value from the performed automated counting process, and receives manual count data. The component also generates a validation report based on the automated count value and the manual count data.

Abstract: Some systems include an illuminator configured to illuminate a scene, a detector configured to receive electromagnetic radiation from the scene, one or more retroreflective tags, and an image processor. Each of the one or more retroreflective tags is attached to or positioned near a corresponding target and is configured to reflect electromagnetic radiation from the illuminator toward the detector. The image processor can identify electromagnetic radiation reflected by one or more retroreflective tags to determine the presence of one or more retroreflective tags and corresponding targets in the scene. Retroreflective tags can include retroreflective portions and non-retroreflective portions such that, when electromagnetic radiation is incident upon the retroreflective tag, the retroreflective tag reflects the electromagnetic radiation in a pattern that corresponds to a code uniquely corresponding to the target.

Abstract: A method and apparatus for reducing parallax offset in a combination infrared and visible light camera. A thermal imaging camera comprises at least two modes of operation for correcting parallax offset, and is designed to shift at least one of the visible light and infrared images by a predetermined amount. The amount of the shift is dependent at least on the mode of operation. The mode of operation may be manually selected by the user via a user interface on the camera.

Abstract: In order to provide a simple and reliable means of frame synchronisation in a serial data communication system, which avoids the problem of ‘bit-stuffing’ in known HDLC systems, the data communication system comprises a transmitter arranged to transmit data as a sequence of frames, each frame comprising a synchronisation section and a payload section of data, and the transmitter including in the synchronisation section of each frame a count value of a sequence of count values (a part of a predetermined code sequence), wherein successive frames contain successive count values (other parts of the predetermined code sequence). The receiver includes a FIFO buffer for storing three successively received frames, and a processor for assessing the stored data within the frames in order to locate and recognise the count values, whereby to synchronise to the received frames.