Abstract: A method for interconversion between protocols, including the following steps: pre-establishing a publication/subscription list; when a packet published by a publisher is received, searching the publication/subscription list for a protocol type of the packet; extracting a packet data payload from the packet; determining whether a size of the packet data payload is less than a preset combination threshold; if yes, sending the packet data payload to a packet data payload queue of the publisher, and combining a packet data payload in the packet data payload queue when a size of the packet data payload queue reaches a preset transmission threshold or no new packet is received after a preset waiting duration; searching the publication/subscription list for all subscribers corresponding to the publisher; and performing protocol conversion on the packet one by one based on protocol types used by the corresponding subscribers, and sending protocol-converted packets to the corresponding subscribers.

Abstract: A method for interconversion between protocols, including the following steps: pre-establishing a publication/subscription list; when a packet published by a publisher is received, searching the publication/subscription list for a protocol type of the packet; extracting a packet data payload from the packet; determining whether a size of the packet data payload is less than a preset combination threshold; if yes, sending the packet data payload to a packet data payload queue of the publisher, and combining a packet data payload in the packet data payload queue when a size of the packet data payload queue reaches a preset transmission threshold or no new packet is received after a preset waiting duration; searching the publication/subscription list for all subscribers corresponding to the publisher; and performing protocol conversion on the packet one by one based on protocol types used by the corresponding subscribers, and sending protocol-converted packets to the corresponding subscribers.

Abstract: Disclosed herein are system, method, and computer-readable device embodiments for automatically correcting erroneous license plate numbers generated by automatic license plate recognition. An embodiment operates by selecting a set of adjacent license plate recognition (LPR) stations comprising a first LPR station, a second LPR station, and a third LPR station, accessing an error pattern probability matrix for at least the third recognized license plate number accessed in relation to at least one of the first recognized license plate number or the second recognized license plate number differing from the third recognized license plate number, and determining a corrected license plate number based on the error pattern probability matrix. In some embodiments, LPR correction may be accurately realized even when an erroneous license plate numbers are missing characters, such as by visual obstruction from an LPR camera or sensor, or has no characters in common with the real license plate number.

Abstract: Disclosed herein are system, method, and computer program product embodiments for automatically detecting cloned vehicle identifiers. An embodiment operates by determining legitimate trajectory information and illegitimate trajectory information corresponding to vehicular travel in a geographic area, and training a decision model to detect a cloned vehicle identifier based on the legitimate trajectory information and the illegitimate trajectory information. Furthermore, the embodiment identifies vehicles potentially using a cloned vehicle identifier based on the decision model and common driving patterns within the geographic area. In some embodiments, enforcement agents are notified of the vehicles potentially using a cloned vehicle identifier.

Abstract: Disclosed herein are system, method, and computer program product embodiments for automatically detecting cloned vehicle identifiers. An embodiment operates by determining legitimate trajectory information and illegitimate trajectory information corresponding to vehicular travel in a geographic area, and training a decision model to detect a cloned vehicle identifier based on the legitimate trajectory information and the illegitimate trajectory information. Furthermore, the embodiment identifies vehicles potentially using a cloned vehicle identifier based on the decision model and common driving patterns within the geographic area. In some embodiments, enforcement agents are notified of the vehicles potentially using a cloned vehicle identifier.

Abstract: Disclosed herein are system, method, and computer-readable device embodiments for automatically correcting erroneous license plate numbers generated by automatic license plate recognition. An embodiment operates by selecting a set of adjacent license plate recognition (LPR) stations comprising a first LPR station, a second LPR station, and a third LPR station, accessing an error pattern probability matrix for at least the third recognized license plate number accessed in relation to at least one of the first recognized license plate number or the second recognized license plate number differing from the third recognized license plate number, and determining a corrected license plate number based on the error pattern probability matrix. In some embodiments, LPR correction may be accurately realized even when an erroneous license plate numbers are missing characters, such as by visual obstruction from an LPR camera or sensor, or has no characters in common with the real license plate number.