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125 results about "Pre-Registration" patented technology

Intelligent elevator calling system based on face identification

InactiveCN108147235AAvoid cumbersomeElevate security privilegesElevatorsPre-RegistrationSystems engineering
The invention provides an intelligent elevator calling system based on face identification. The intelligent elevator calling system based on face identification comprises a pre-registration module, anidentification comparison module and a elevator calling instruction output module; the pre-registration module pre-registers a collected and output face image and stores the face image, and the collected face image is a verified resident face image; the identification comparison module collects a face image of a certain passenger who needs to call an elevator and indentifies and compares the collected face image with face image information prestored in the pre-registration module, if comparison is successful, a level signal is issued to the elevator calling instruction output module, and if comparison is not successful, the level signal is not issued to the elevator calling instruction output module; and the elevator calling instruction output module receives the level signal issued by the identification comparison module and outputs an elevator calling instruction. According to the intelligent elevator calling system based on face identification, the tedious problem of a traditionalelevator calling is solved, safety permission is improved, and the system only allows the registered passengers to use the elevator; and the system indentifies and confirms the registered passengers through a face identification system, and after system confirmation is conducted, the elevator calling instruction is output to call the elevator.
Owner:JIANGSU WELM TECH

Broken bone section and broken bone model registration method based on maximum common subgraph and bounding box

The invention discloses a broken bone section and broken bone model registration method based on a maximum common subgraph and a bounding box. The method comprises the following steps of broken bone axis extraction, broken bone Gauss mapping, section point set extraction, broken bone pre-registration and broken bone accurate registration. The step of section point set extraction comprises sub steps: triangular patches whose normal vectors and the broken bone axis are in a certain angle are eliminated and the broken bone model is segmented to two broken bone models, wherein each model comprises a section model containing the broken bone; elimination on triangular patches is carried out on the two broken bones respectively, and four sub models are obtained finally, wherein two are section models; and a section point set for nodes in the four sub models is extracted, each two section motors is compared through a maximum common subgraph algorithm, and a pair of sub models containing the maximum nodes are selected as the two section modes. The step of broken bone pre-registration is to build bounding boxes for the two section models, and the two bounding boxes are aligned in the space to complete pre-registration. The step of broken bone accurate registration is to carry out accurate registration on the two broken bones through an ICP algorithm to complete joint between the two broken bones.
Owner:DALIAN UNIV OF TECH
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